Add Kafka Generic Consumer And Producer Classes

infrastructure/kafka/kafka-consumer/pom.xml

@@ -11,9 +11,23 @@
 
     <artifactId>kafka-consumer</artifactId>
 
-    <properties>
+    <dependencies>
-        <maven.compiler.source>17</maven.compiler.source>
+        <dependency>
-        <maven.compiler.target>17</maven.compiler.target>
+            <groupId>com.food.order</groupId>
-    </properties>
+            <artifactId>kafka-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.kafka</groupId>
+            <artifactId>spring-kafka</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.avro</groupId>
+            <artifactId>avro</artifactId>
+        </dependency>
+
+
+    </dependencies>
 
 </project>

infrastructure/kafka/kafka-consumer/src/main/java/com/food/order/system/kafka/consumer/KafkaConsumer.java

@@ -0,0 +1,9 @@
+package com.food.order.system.kafka.consumer;
+
+import org.apache.avro.specific.SpecificRecordBase;
+
+import java.util.List;
+
+public interface KafkaConsumer<T extends SpecificRecordBase> {
+    void receive(List<T> messages , List<Long> keys , List<Integer> partitions , List<Long> offSets);
+}

infrastructure/kafka/kafka-consumer/src/main/java/com/food/order/system/kafka/consumer/config/KafkaConsumerConfig.java

@@ -0,0 +1,60 @@
+package com.food.order.system.kafka.consumer.config;
+
+import com.food.order.kafka.config.data.KafkaConfigData;
+import com.food.order.kafka.config.data.KafkaConsumerConfigData;
+import lombok.RequiredArgsConstructor;
+import org.apache.avro.specific.SpecificRecordBase;
+import org.apache.kafka.clients.consumer.ConsumerConfig;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
+import org.springframework.kafka.config.KafkaListenerContainerFactory;
+import org.springframework.kafka.core.ConsumerFactory;
+import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
+import org.springframework.kafka.listener.ConcurrentMessageListenerContainer;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+@RequiredArgsConstructor
+public class KafkaConsumerConfig<K extends Serializable, V extends SpecificRecordBase> {
+
+    private final KafkaConfigData kafkaConfigData;
+    private final KafkaConsumerConfigData kafkaConsumerConfigData;
+    @Bean
+    public Map<String, Object> consumerConfigs() {
+        Map<String, Object> props = new HashMap<>();
+        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, kafkaConfigData.getBootstrapServers());
+        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, kafkaConsumerConfigData.getKeyDeserializer());
+        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, kafkaConsumerConfigData.getValueDeserializer());
+        props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, kafkaConsumerConfigData.getAutoOffsetReset());
+        props.put(kafkaConfigData.getSchemaRegistryUrlKey(), kafkaConfigData.getSchemaRegistryUrl());
+        props.put(kafkaConsumerConfigData.getSpecificAvroReaderKey(), kafkaConsumerConfigData.getSpecificAvroReader());
+        props.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, kafkaConsumerConfigData.getSessionTimeoutMs());
+        props.put(ConsumerConfig.HEARTBEAT_INTERVAL_MS_CONFIG, kafkaConsumerConfigData.getHeartbeatIntervalMs());
+        props.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, kafkaConsumerConfigData.getMaxPollIntervalMs());
+        props.put(ConsumerConfig.MAX_PARTITION_FETCH_BYTES_CONFIG,
+                kafkaConsumerConfigData.getMaxPartitionFetchBytesDefault() *
+                        kafkaConsumerConfigData.getMaxPartitionFetchBytesBoostFactor());
+        props.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, kafkaConsumerConfigData.getMaxPollRecords());
+        return props;
+    }
+
+    @Bean
+    public ConsumerFactory<K, V> consumerFactory() {
+        return new DefaultKafkaConsumerFactory<>(consumerConfigs());
+    }
+
+    @Bean
+    public KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<K, V>> kafkaListenerContainerFactory() {
+        ConcurrentKafkaListenerContainerFactory<K, V> factory = new ConcurrentKafkaListenerContainerFactory<>();
+        factory.setConsumerFactory(consumerFactory());
+        factory.setBatchListener(kafkaConsumerConfigData.getBatchListener());
+        factory.setConcurrency(kafkaConsumerConfigData.getConcurrencyLevel());
+        factory.setAutoStartup(kafkaConsumerConfigData.getAutoStartup());
+        factory.getContainerProperties().setPollTimeout(kafkaConsumerConfigData.getPollTimeoutMs());
+        return factory;
+    }
+}

infrastructure/kafka/kafka-model/pom.xml

@@ -11,9 +11,40 @@
 
     <artifactId>kafka-model</artifactId>
 
-    <properties>
+    <dependencies>
-        <maven.compiler.source>17</maven.compiler.source>
+        <dependency>
-        <maven.compiler.target>17</maven.compiler.target>
+            <groupId>org.apache.avro</groupId>
-    </properties>
+            <artifactId>avro</artifactId>
+        </dependency>
+    </dependencies>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.avro</groupId>
+                <artifactId>avro-maven-plugin</artifactId>
+                <version>${avro.version}</version>
+                <configuration>
+                    <stringType>String</stringType>
+                    <enableDecimalLogicalType>true</enableDecimalLogicalType>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>schema</goal>
+                        </goals>
+                        <configuration>
+                            <sourceDirectory>src/main/resources/avro</sourceDirectory>
+                            <outputDirectory>src/main/java</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+
 
 </project>

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/OrderApprovalStatus.java

@@ -0,0 +1,13 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+@org.apache.avro.specific.AvroGenerated
+public enum OrderApprovalStatus implements org.apache.avro.generic.GenericEnumSymbol<OrderApprovalStatus> {
+  APPROVED, REJECTED  ;
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"OrderApprovalStatus\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"symbols\":[\"APPROVED\",\"REJECTED\"]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+}

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/PaymentOrderStatus.java

@@ -0,0 +1,13 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+@org.apache.avro.specific.AvroGenerated
+public enum PaymentOrderStatus implements org.apache.avro.generic.GenericEnumSymbol<PaymentOrderStatus> {
+  PENDING, CANCELLED  ;
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"PaymentOrderStatus\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"symbols\":[\"PENDING\",\"CANCELLED\"]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+}

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/PaymentRequestAvroModel.java

@@ -0,0 +1,736 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+
+import org.apache.avro.generic.GenericArray;
+import org.apache.avro.specific.SpecificData;
+import org.apache.avro.util.Utf8;
+import org.apache.avro.message.BinaryMessageEncoder;
+import org.apache.avro.message.BinaryMessageDecoder;
+import org.apache.avro.message.SchemaStore;
+
+@org.apache.avro.specific.AvroGenerated
+public class PaymentRequestAvroModel extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
+  private static final long serialVersionUID = 1425163749928760031L;
+
+
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"PaymentRequestAvroModel\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"fields\":[{\"name\":\"id\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"sagaId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"customerId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"orderId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"price\",\"type\":{\"type\":\"bytes\",\"logicalType\":\"decimal\",\"precision\":10,\"scale\":2}},{\"name\":\"createdAt\",\"type\":{\"type\":\"long\",\"logicalType\":\"timestamp-millis\"}},{\"name\":\"paymentOrderStatus\",\"type\":{\"type\":\"enum\",\"name\":\"PaymentOrderStatus\",\"symbols\":[\"PENDING\",\"CANCELLED\"]}}]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+
+  private static final SpecificData MODEL$ = new SpecificData();
+  static {
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.data.TimeConversions.TimestampMillisConversion());
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.Conversions.DecimalConversion());
+  }
+
+  private static final BinaryMessageEncoder<PaymentRequestAvroModel> ENCODER =
+      new BinaryMessageEncoder<PaymentRequestAvroModel>(MODEL$, SCHEMA$);
+
+  private static final BinaryMessageDecoder<PaymentRequestAvroModel> DECODER =
+      new BinaryMessageDecoder<PaymentRequestAvroModel>(MODEL$, SCHEMA$);
+
+  /**
+   * Return the BinaryMessageEncoder instance used by this class.
+   * @return the message encoder used by this class
+   */
+  public static BinaryMessageEncoder<PaymentRequestAvroModel> getEncoder() {
+    return ENCODER;
+  }
+
+  /**
+   * Return the BinaryMessageDecoder instance used by this class.
+   * @return the message decoder used by this class
+   */
+  public static BinaryMessageDecoder<PaymentRequestAvroModel> getDecoder() {
+    return DECODER;
+  }
+
+  /**
+   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
+   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
+   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
+   */
+  public static BinaryMessageDecoder<PaymentRequestAvroModel> createDecoder(SchemaStore resolver) {
+    return new BinaryMessageDecoder<PaymentRequestAvroModel>(MODEL$, SCHEMA$, resolver);
+  }
+
+  /**
+   * Serializes this PaymentRequestAvroModel to a ByteBuffer.
+   * @return a buffer holding the serialized data for this instance
+   * @throws java.io.IOException if this instance could not be serialized
+   */
+  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
+    return ENCODER.encode(this);
+  }
+
+  /**
+   * Deserializes a PaymentRequestAvroModel from a ByteBuffer.
+   * @param b a byte buffer holding serialized data for an instance of this class
+   * @return a PaymentRequestAvroModel instance decoded from the given buffer
+   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
+   */
+  public static PaymentRequestAvroModel fromByteBuffer(
+      java.nio.ByteBuffer b) throws java.io.IOException {
+    return DECODER.decode(b);
+  }
+
+  private java.lang.String id;
+  private java.lang.String sagaId;
+  private java.lang.String customerId;
+  private java.lang.String orderId;
+  private java.math.BigDecimal price;
+  private java.time.Instant createdAt;
+  private com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus paymentOrderStatus;
+
+  /**
+   * Default constructor.  Note that this does not initialize fields
+   * to their default values from the schema.  If that is desired then
+   * one should use <code>newBuilder()</code>.
+   */
+  public PaymentRequestAvroModel() {}
+
+  /**
+   * All-args constructor.
+   * @param id The new value for id
+   * @param sagaId The new value for sagaId
+   * @param customerId The new value for customerId
+   * @param orderId The new value for orderId
+   * @param price The new value for price
+   * @param createdAt The new value for createdAt
+   * @param paymentOrderStatus The new value for paymentOrderStatus
+   */
+  public PaymentRequestAvroModel(java.lang.String id, java.lang.String sagaId, java.lang.String customerId, java.lang.String orderId, java.math.BigDecimal price, java.time.Instant createdAt, com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus paymentOrderStatus) {
+    this.id = id;
+    this.sagaId = sagaId;
+    this.customerId = customerId;
+    this.orderId = orderId;
+    this.price = price;
+    this.createdAt = createdAt.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+    this.paymentOrderStatus = paymentOrderStatus;
+  }
+
+  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+  // Used by DatumWriter.  Applications should not call.
+  public java.lang.Object get(int field$) {
+    switch (field$) {
+    case 0: return id;
+    case 1: return sagaId;
+    case 2: return customerId;
+    case 3: return orderId;
+    case 4: return price;
+    case 5: return createdAt;
+    case 6: return paymentOrderStatus;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  private static final org.apache.avro.Conversion<?>[] conversions =
+      new org.apache.avro.Conversion<?>[] {
+      null,
+      null,
+      null,
+      null,
+      new org.apache.avro.Conversions.DecimalConversion(),
+      new org.apache.avro.data.TimeConversions.TimestampMillisConversion(),
+      null,
+      null
+  };
+
+  @Override
+  public org.apache.avro.Conversion<?> getConversion(int field) {
+    return conversions[field];
+  }
+
+  // Used by DatumReader.  Applications should not call.
+  @SuppressWarnings(value="unchecked")
+  public void put(int field$, java.lang.Object value$) {
+    switch (field$) {
+    case 0: id = value$ != null ? value$.toString() : null; break;
+    case 1: sagaId = value$ != null ? value$.toString() : null; break;
+    case 2: customerId = value$ != null ? value$.toString() : null; break;
+    case 3: orderId = value$ != null ? value$.toString() : null; break;
+    case 4: price = (java.math.BigDecimal)value$; break;
+    case 5: createdAt = (java.time.Instant)value$; break;
+    case 6: paymentOrderStatus = (com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus)value$; break;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  /**
+   * Gets the value of the 'id' field.
+   * @return The value of the 'id' field.
+   */
+  public java.lang.String getId() {
+    return id;
+  }
+
+
+  /**
+   * Sets the value of the 'id' field.
+   * @param value the value to set.
+   */
+  public void setId(java.lang.String value) {
+    this.id = value;
+  }
+
+  /**
+   * Gets the value of the 'sagaId' field.
+   * @return The value of the 'sagaId' field.
+   */
+  public java.lang.String getSagaId() {
+    return sagaId;
+  }
+
+
+  /**
+   * Sets the value of the 'sagaId' field.
+   * @param value the value to set.
+   */
+  public void setSagaId(java.lang.String value) {
+    this.sagaId = value;
+  }
+
+  /**
+   * Gets the value of the 'customerId' field.
+   * @return The value of the 'customerId' field.
+   */
+  public java.lang.String getCustomerId() {
+    return customerId;
+  }
+
+
+  /**
+   * Sets the value of the 'customerId' field.
+   * @param value the value to set.
+   */
+  public void setCustomerId(java.lang.String value) {
+    this.customerId = value;
+  }
+
+  /**
+   * Gets the value of the 'orderId' field.
+   * @return The value of the 'orderId' field.
+   */
+  public java.lang.String getOrderId() {
+    return orderId;
+  }
+
+
+  /**
+   * Sets the value of the 'orderId' field.
+   * @param value the value to set.
+   */
+  public void setOrderId(java.lang.String value) {
+    this.orderId = value;
+  }
+
+  /**
+   * Gets the value of the 'price' field.
+   * @return The value of the 'price' field.
+   */
+  public java.math.BigDecimal getPrice() {
+    return price;
+  }
+
+
+  /**
+   * Sets the value of the 'price' field.
+   * @param value the value to set.
+   */
+  public void setPrice(java.math.BigDecimal value) {
+    this.price = value;
+  }
+
+  /**
+   * Gets the value of the 'createdAt' field.
+   * @return The value of the 'createdAt' field.
+   */
+  public java.time.Instant getCreatedAt() {
+    return createdAt;
+  }
+
+
+  /**
+   * Sets the value of the 'createdAt' field.
+   * @param value the value to set.
+   */
+  public void setCreatedAt(java.time.Instant value) {
+    this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+  }
+
+  /**
+   * Gets the value of the 'paymentOrderStatus' field.
+   * @return The value of the 'paymentOrderStatus' field.
+   */
+  public com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus getPaymentOrderStatus() {
+    return paymentOrderStatus;
+  }
+
+
+  /**
+   * Sets the value of the 'paymentOrderStatus' field.
+   * @param value the value to set.
+   */
+  public void setPaymentOrderStatus(com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus value) {
+    this.paymentOrderStatus = value;
+  }
+
+  /**
+   * Creates a new PaymentRequestAvroModel RecordBuilder.
+   * @return A new PaymentRequestAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder newBuilder() {
+    return new com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder();
+  }
+
+  /**
+   * Creates a new PaymentRequestAvroModel RecordBuilder by copying an existing Builder.
+   * @param other The existing builder to copy.
+   * @return A new PaymentRequestAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * Creates a new PaymentRequestAvroModel RecordBuilder by copying an existing PaymentRequestAvroModel instance.
+   * @param other The existing instance to copy.
+   * @return A new PaymentRequestAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * RecordBuilder for PaymentRequestAvroModel instances.
+   */
+  @org.apache.avro.specific.AvroGenerated
+  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<PaymentRequestAvroModel>
+    implements org.apache.avro.data.RecordBuilder<PaymentRequestAvroModel> {
+
+    private java.lang.String id;
+    private java.lang.String sagaId;
+    private java.lang.String customerId;
+    private java.lang.String orderId;
+    private java.math.BigDecimal price;
+    private java.time.Instant createdAt;
+    private com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus paymentOrderStatus;
+
+    /** Creates a new Builder */
+    private Builder() {
+      super(SCHEMA$, MODEL$);
+    }
+
+    /**
+     * Creates a Builder by copying an existing Builder.
+     * @param other The existing Builder to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder other) {
+      super(other);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = other.fieldSetFlags()[0];
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = other.fieldSetFlags()[1];
+      }
+      if (isValidValue(fields()[2], other.customerId)) {
+        this.customerId = data().deepCopy(fields()[2].schema(), other.customerId);
+        fieldSetFlags()[2] = other.fieldSetFlags()[2];
+      }
+      if (isValidValue(fields()[3], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[3].schema(), other.orderId);
+        fieldSetFlags()[3] = other.fieldSetFlags()[3];
+      }
+      if (isValidValue(fields()[4], other.price)) {
+        this.price = data().deepCopy(fields()[4].schema(), other.price);
+        fieldSetFlags()[4] = other.fieldSetFlags()[4];
+      }
+      if (isValidValue(fields()[5], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[5].schema(), other.createdAt);
+        fieldSetFlags()[5] = other.fieldSetFlags()[5];
+      }
+      if (isValidValue(fields()[6], other.paymentOrderStatus)) {
+        this.paymentOrderStatus = data().deepCopy(fields()[6].schema(), other.paymentOrderStatus);
+        fieldSetFlags()[6] = other.fieldSetFlags()[6];
+      }
+    }
+
+    /**
+     * Creates a Builder by copying an existing PaymentRequestAvroModel instance
+     * @param other The existing instance to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel other) {
+      super(SCHEMA$, MODEL$);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = true;
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = true;
+      }
+      if (isValidValue(fields()[2], other.customerId)) {
+        this.customerId = data().deepCopy(fields()[2].schema(), other.customerId);
+        fieldSetFlags()[2] = true;
+      }
+      if (isValidValue(fields()[3], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[3].schema(), other.orderId);
+        fieldSetFlags()[3] = true;
+      }
+      if (isValidValue(fields()[4], other.price)) {
+        this.price = data().deepCopy(fields()[4].schema(), other.price);
+        fieldSetFlags()[4] = true;
+      }
+      if (isValidValue(fields()[5], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[5].schema(), other.createdAt);
+        fieldSetFlags()[5] = true;
+      }
+      if (isValidValue(fields()[6], other.paymentOrderStatus)) {
+        this.paymentOrderStatus = data().deepCopy(fields()[6].schema(), other.paymentOrderStatus);
+        fieldSetFlags()[6] = true;
+      }
+    }
+
+    /**
+      * Gets the value of the 'id' field.
+      * @return The value.
+      */
+    public java.lang.String getId() {
+      return id;
+    }
+
+
+    /**
+      * Sets the value of the 'id' field.
+      * @param value The value of 'id'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setId(java.lang.String value) {
+      validate(fields()[0], value);
+      this.id = value;
+      fieldSetFlags()[0] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'id' field has been set.
+      * @return True if the 'id' field has been set, false otherwise.
+      */
+    public boolean hasId() {
+      return fieldSetFlags()[0];
+    }
+
+
+    /**
+      * Clears the value of the 'id' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearId() {
+      id = null;
+      fieldSetFlags()[0] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'sagaId' field.
+      * @return The value.
+      */
+    public java.lang.String getSagaId() {
+      return sagaId;
+    }
+
+
+    /**
+      * Sets the value of the 'sagaId' field.
+      * @param value The value of 'sagaId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setSagaId(java.lang.String value) {
+      validate(fields()[1], value);
+      this.sagaId = value;
+      fieldSetFlags()[1] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'sagaId' field has been set.
+      * @return True if the 'sagaId' field has been set, false otherwise.
+      */
+    public boolean hasSagaId() {
+      return fieldSetFlags()[1];
+    }
+
+
+    /**
+      * Clears the value of the 'sagaId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearSagaId() {
+      sagaId = null;
+      fieldSetFlags()[1] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'customerId' field.
+      * @return The value.
+      */
+    public java.lang.String getCustomerId() {
+      return customerId;
+    }
+
+
+    /**
+      * Sets the value of the 'customerId' field.
+      * @param value The value of 'customerId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setCustomerId(java.lang.String value) {
+      validate(fields()[2], value);
+      this.customerId = value;
+      fieldSetFlags()[2] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'customerId' field has been set.
+      * @return True if the 'customerId' field has been set, false otherwise.
+      */
+    public boolean hasCustomerId() {
+      return fieldSetFlags()[2];
+    }
+
+
+    /**
+      * Clears the value of the 'customerId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearCustomerId() {
+      customerId = null;
+      fieldSetFlags()[2] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'orderId' field.
+      * @return The value.
+      */
+    public java.lang.String getOrderId() {
+      return orderId;
+    }
+
+
+    /**
+      * Sets the value of the 'orderId' field.
+      * @param value The value of 'orderId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setOrderId(java.lang.String value) {
+      validate(fields()[3], value);
+      this.orderId = value;
+      fieldSetFlags()[3] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'orderId' field has been set.
+      * @return True if the 'orderId' field has been set, false otherwise.
+      */
+    public boolean hasOrderId() {
+      return fieldSetFlags()[3];
+    }
+
+
+    /**
+      * Clears the value of the 'orderId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearOrderId() {
+      orderId = null;
+      fieldSetFlags()[3] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'price' field.
+      * @return The value.
+      */
+    public java.math.BigDecimal getPrice() {
+      return price;
+    }
+
+
+    /**
+      * Sets the value of the 'price' field.
+      * @param value The value of 'price'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setPrice(java.math.BigDecimal value) {
+      validate(fields()[4], value);
+      this.price = value;
+      fieldSetFlags()[4] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'price' field has been set.
+      * @return True if the 'price' field has been set, false otherwise.
+      */
+    public boolean hasPrice() {
+      return fieldSetFlags()[4];
+    }
+
+
+    /**
+      * Clears the value of the 'price' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearPrice() {
+      price = null;
+      fieldSetFlags()[4] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'createdAt' field.
+      * @return The value.
+      */
+    public java.time.Instant getCreatedAt() {
+      return createdAt;
+    }
+
+
+    /**
+      * Sets the value of the 'createdAt' field.
+      * @param value The value of 'createdAt'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setCreatedAt(java.time.Instant value) {
+      validate(fields()[5], value);
+      this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+      fieldSetFlags()[5] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'createdAt' field has been set.
+      * @return True if the 'createdAt' field has been set, false otherwise.
+      */
+    public boolean hasCreatedAt() {
+      return fieldSetFlags()[5];
+    }
+
+
+    /**
+      * Clears the value of the 'createdAt' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearCreatedAt() {
+      fieldSetFlags()[5] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'paymentOrderStatus' field.
+      * @return The value.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus getPaymentOrderStatus() {
+      return paymentOrderStatus;
+    }
+
+
+    /**
+      * Sets the value of the 'paymentOrderStatus' field.
+      * @param value The value of 'paymentOrderStatus'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder setPaymentOrderStatus(com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus value) {
+      validate(fields()[6], value);
+      this.paymentOrderStatus = value;
+      fieldSetFlags()[6] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'paymentOrderStatus' field has been set.
+      * @return True if the 'paymentOrderStatus' field has been set, false otherwise.
+      */
+    public boolean hasPaymentOrderStatus() {
+      return fieldSetFlags()[6];
+    }
+
+
+    /**
+      * Clears the value of the 'paymentOrderStatus' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentRequestAvroModel.Builder clearPaymentOrderStatus() {
+      paymentOrderStatus = null;
+      fieldSetFlags()[6] = false;
+      return this;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public PaymentRequestAvroModel build() {
+      try {
+        PaymentRequestAvroModel record = new PaymentRequestAvroModel();
+        record.id = fieldSetFlags()[0] ? this.id : (java.lang.String) defaultValue(fields()[0]);
+        record.sagaId = fieldSetFlags()[1] ? this.sagaId : (java.lang.String) defaultValue(fields()[1]);
+        record.customerId = fieldSetFlags()[2] ? this.customerId : (java.lang.String) defaultValue(fields()[2]);
+        record.orderId = fieldSetFlags()[3] ? this.orderId : (java.lang.String) defaultValue(fields()[3]);
+        record.price = fieldSetFlags()[4] ? this.price : (java.math.BigDecimal) defaultValue(fields()[4]);
+        record.createdAt = fieldSetFlags()[5] ? this.createdAt : (java.time.Instant) defaultValue(fields()[5]);
+        record.paymentOrderStatus = fieldSetFlags()[6] ? this.paymentOrderStatus : (com.food.ordering.system.kafka.order.avro.model.PaymentOrderStatus) defaultValue(fields()[6]);
+        return record;
+      } catch (org.apache.avro.AvroMissingFieldException e) {
+        throw e;
+      } catch (java.lang.Exception e) {
+        throw new org.apache.avro.AvroRuntimeException(e);
+      }
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumWriter<PaymentRequestAvroModel>
+    WRITER$ = (org.apache.avro.io.DatumWriter<PaymentRequestAvroModel>)MODEL$.createDatumWriter(SCHEMA$);
+
+  @Override public void writeExternal(java.io.ObjectOutput out)
+    throws java.io.IOException {
+    WRITER$.write(this, SpecificData.getEncoder(out));
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumReader<PaymentRequestAvroModel>
+    READER$ = (org.apache.avro.io.DatumReader<PaymentRequestAvroModel>)MODEL$.createDatumReader(SCHEMA$);
+
+  @Override public void readExternal(java.io.ObjectInput in)
+    throws java.io.IOException {
+    READER$.read(this, SpecificData.getDecoder(in));
+  }
+
+}
+
+
+
+
+
+
+
+
+
+

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/PaymentResponseAvroModel.java

@@ -0,0 +1,882 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+
+import org.apache.avro.generic.GenericArray;
+import org.apache.avro.specific.SpecificData;
+import org.apache.avro.util.Utf8;
+import org.apache.avro.message.BinaryMessageEncoder;
+import org.apache.avro.message.BinaryMessageDecoder;
+import org.apache.avro.message.SchemaStore;
+
+@org.apache.avro.specific.AvroGenerated
+public class PaymentResponseAvroModel extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
+  private static final long serialVersionUID = -2126784712017759782L;
+
+
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"PaymentResponseAvroModel\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"fields\":[{\"name\":\"id\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"sagaId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"paymentId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"customerId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"orderId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"price\",\"type\":{\"type\":\"bytes\",\"logicalType\":\"decimal\",\"precision\":10,\"scale\":2}},{\"name\":\"createdAt\",\"type\":{\"type\":\"long\",\"logicalType\":\"timestamp-millis\"}},{\"name\":\"paymentStatus\",\"type\":{\"type\":\"enum\",\"name\":\"PaymentStatus\",\"symbols\":[\"COMPLETED\",\"CANCELLED\",\"FAILED\"]}},{\"name\":\"failureMessages\",\"type\":{\"type\":\"array\",\"items\":{\"type\":\"string\",\"avro.java.string\":\"String\"}}}]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+
+  private static final SpecificData MODEL$ = new SpecificData();
+  static {
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.data.TimeConversions.TimestampMillisConversion());
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.Conversions.DecimalConversion());
+  }
+
+  private static final BinaryMessageEncoder<PaymentResponseAvroModel> ENCODER =
+      new BinaryMessageEncoder<PaymentResponseAvroModel>(MODEL$, SCHEMA$);
+
+  private static final BinaryMessageDecoder<PaymentResponseAvroModel> DECODER =
+      new BinaryMessageDecoder<PaymentResponseAvroModel>(MODEL$, SCHEMA$);
+
+  /**
+   * Return the BinaryMessageEncoder instance used by this class.
+   * @return the message encoder used by this class
+   */
+  public static BinaryMessageEncoder<PaymentResponseAvroModel> getEncoder() {
+    return ENCODER;
+  }
+
+  /**
+   * Return the BinaryMessageDecoder instance used by this class.
+   * @return the message decoder used by this class
+   */
+  public static BinaryMessageDecoder<PaymentResponseAvroModel> getDecoder() {
+    return DECODER;
+  }
+
+  /**
+   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
+   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
+   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
+   */
+  public static BinaryMessageDecoder<PaymentResponseAvroModel> createDecoder(SchemaStore resolver) {
+    return new BinaryMessageDecoder<PaymentResponseAvroModel>(MODEL$, SCHEMA$, resolver);
+  }
+
+  /**
+   * Serializes this PaymentResponseAvroModel to a ByteBuffer.
+   * @return a buffer holding the serialized data for this instance
+   * @throws java.io.IOException if this instance could not be serialized
+   */
+  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
+    return ENCODER.encode(this);
+  }
+
+  /**
+   * Deserializes a PaymentResponseAvroModel from a ByteBuffer.
+   * @param b a byte buffer holding serialized data for an instance of this class
+   * @return a PaymentResponseAvroModel instance decoded from the given buffer
+   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
+   */
+  public static PaymentResponseAvroModel fromByteBuffer(
+      java.nio.ByteBuffer b) throws java.io.IOException {
+    return DECODER.decode(b);
+  }
+
+  private java.lang.String id;
+  private java.lang.String sagaId;
+  private java.lang.String paymentId;
+  private java.lang.String customerId;
+  private java.lang.String orderId;
+  private java.math.BigDecimal price;
+  private java.time.Instant createdAt;
+  private com.food.ordering.system.kafka.order.avro.model.PaymentStatus paymentStatus;
+  private java.util.List<java.lang.String> failureMessages;
+
+  /**
+   * Default constructor.  Note that this does not initialize fields
+   * to their default values from the schema.  If that is desired then
+   * one should use <code>newBuilder()</code>.
+   */
+  public PaymentResponseAvroModel() {}
+
+  /**
+   * All-args constructor.
+   * @param id The new value for id
+   * @param sagaId The new value for sagaId
+   * @param paymentId The new value for paymentId
+   * @param customerId The new value for customerId
+   * @param orderId The new value for orderId
+   * @param price The new value for price
+   * @param createdAt The new value for createdAt
+   * @param paymentStatus The new value for paymentStatus
+   * @param failureMessages The new value for failureMessages
+   */
+  public PaymentResponseAvroModel(java.lang.String id, java.lang.String sagaId, java.lang.String paymentId, java.lang.String customerId, java.lang.String orderId, java.math.BigDecimal price, java.time.Instant createdAt, com.food.ordering.system.kafka.order.avro.model.PaymentStatus paymentStatus, java.util.List<java.lang.String> failureMessages) {
+    this.id = id;
+    this.sagaId = sagaId;
+    this.paymentId = paymentId;
+    this.customerId = customerId;
+    this.orderId = orderId;
+    this.price = price;
+    this.createdAt = createdAt.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+    this.paymentStatus = paymentStatus;
+    this.failureMessages = failureMessages;
+  }
+
+  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+  // Used by DatumWriter.  Applications should not call.
+  public java.lang.Object get(int field$) {
+    switch (field$) {
+    case 0: return id;
+    case 1: return sagaId;
+    case 2: return paymentId;
+    case 3: return customerId;
+    case 4: return orderId;
+    case 5: return price;
+    case 6: return createdAt;
+    case 7: return paymentStatus;
+    case 8: return failureMessages;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  private static final org.apache.avro.Conversion<?>[] conversions =
+      new org.apache.avro.Conversion<?>[] {
+      null,
+      null,
+      null,
+      null,
+      null,
+      new org.apache.avro.Conversions.DecimalConversion(),
+      new org.apache.avro.data.TimeConversions.TimestampMillisConversion(),
+      null,
+      null,
+      null
+  };
+
+  @Override
+  public org.apache.avro.Conversion<?> getConversion(int field) {
+    return conversions[field];
+  }
+
+  // Used by DatumReader.  Applications should not call.
+  @SuppressWarnings(value="unchecked")
+  public void put(int field$, java.lang.Object value$) {
+    switch (field$) {
+    case 0: id = value$ != null ? value$.toString() : null; break;
+    case 1: sagaId = value$ != null ? value$.toString() : null; break;
+    case 2: paymentId = value$ != null ? value$.toString() : null; break;
+    case 3: customerId = value$ != null ? value$.toString() : null; break;
+    case 4: orderId = value$ != null ? value$.toString() : null; break;
+    case 5: price = (java.math.BigDecimal)value$; break;
+    case 6: createdAt = (java.time.Instant)value$; break;
+    case 7: paymentStatus = (com.food.ordering.system.kafka.order.avro.model.PaymentStatus)value$; break;
+    case 8: failureMessages = (java.util.List<java.lang.String>)value$; break;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  /**
+   * Gets the value of the 'id' field.
+   * @return The value of the 'id' field.
+   */
+  public java.lang.String getId() {
+    return id;
+  }
+
+
+  /**
+   * Sets the value of the 'id' field.
+   * @param value the value to set.
+   */
+  public void setId(java.lang.String value) {
+    this.id = value;
+  }
+
+  /**
+   * Gets the value of the 'sagaId' field.
+   * @return The value of the 'sagaId' field.
+   */
+  public java.lang.String getSagaId() {
+    return sagaId;
+  }
+
+
+  /**
+   * Sets the value of the 'sagaId' field.
+   * @param value the value to set.
+   */
+  public void setSagaId(java.lang.String value) {
+    this.sagaId = value;
+  }
+
+  /**
+   * Gets the value of the 'paymentId' field.
+   * @return The value of the 'paymentId' field.
+   */
+  public java.lang.String getPaymentId() {
+    return paymentId;
+  }
+
+
+  /**
+   * Sets the value of the 'paymentId' field.
+   * @param value the value to set.
+   */
+  public void setPaymentId(java.lang.String value) {
+    this.paymentId = value;
+  }
+
+  /**
+   * Gets the value of the 'customerId' field.
+   * @return The value of the 'customerId' field.
+   */
+  public java.lang.String getCustomerId() {
+    return customerId;
+  }
+
+
+  /**
+   * Sets the value of the 'customerId' field.
+   * @param value the value to set.
+   */
+  public void setCustomerId(java.lang.String value) {
+    this.customerId = value;
+  }
+
+  /**
+   * Gets the value of the 'orderId' field.
+   * @return The value of the 'orderId' field.
+   */
+  public java.lang.String getOrderId() {
+    return orderId;
+  }
+
+
+  /**
+   * Sets the value of the 'orderId' field.
+   * @param value the value to set.
+   */
+  public void setOrderId(java.lang.String value) {
+    this.orderId = value;
+  }
+
+  /**
+   * Gets the value of the 'price' field.
+   * @return The value of the 'price' field.
+   */
+  public java.math.BigDecimal getPrice() {
+    return price;
+  }
+
+
+  /**
+   * Sets the value of the 'price' field.
+   * @param value the value to set.
+   */
+  public void setPrice(java.math.BigDecimal value) {
+    this.price = value;
+  }
+
+  /**
+   * Gets the value of the 'createdAt' field.
+   * @return The value of the 'createdAt' field.
+   */
+  public java.time.Instant getCreatedAt() {
+    return createdAt;
+  }
+
+
+  /**
+   * Sets the value of the 'createdAt' field.
+   * @param value the value to set.
+   */
+  public void setCreatedAt(java.time.Instant value) {
+    this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+  }
+
+  /**
+   * Gets the value of the 'paymentStatus' field.
+   * @return The value of the 'paymentStatus' field.
+   */
+  public com.food.ordering.system.kafka.order.avro.model.PaymentStatus getPaymentStatus() {
+    return paymentStatus;
+  }
+
+
+  /**
+   * Sets the value of the 'paymentStatus' field.
+   * @param value the value to set.
+   */
+  public void setPaymentStatus(com.food.ordering.system.kafka.order.avro.model.PaymentStatus value) {
+    this.paymentStatus = value;
+  }
+
+  /**
+   * Gets the value of the 'failureMessages' field.
+   * @return The value of the 'failureMessages' field.
+   */
+  public java.util.List<java.lang.String> getFailureMessages() {
+    return failureMessages;
+  }
+
+
+  /**
+   * Sets the value of the 'failureMessages' field.
+   * @param value the value to set.
+   */
+  public void setFailureMessages(java.util.List<java.lang.String> value) {
+    this.failureMessages = value;
+  }
+
+  /**
+   * Creates a new PaymentResponseAvroModel RecordBuilder.
+   * @return A new PaymentResponseAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder newBuilder() {
+    return new com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder();
+  }
+
+  /**
+   * Creates a new PaymentResponseAvroModel RecordBuilder by copying an existing Builder.
+   * @param other The existing builder to copy.
+   * @return A new PaymentResponseAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * Creates a new PaymentResponseAvroModel RecordBuilder by copying an existing PaymentResponseAvroModel instance.
+   * @param other The existing instance to copy.
+   * @return A new PaymentResponseAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * RecordBuilder for PaymentResponseAvroModel instances.
+   */
+  @org.apache.avro.specific.AvroGenerated
+  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<PaymentResponseAvroModel>
+    implements org.apache.avro.data.RecordBuilder<PaymentResponseAvroModel> {
+
+    private java.lang.String id;
+    private java.lang.String sagaId;
+    private java.lang.String paymentId;
+    private java.lang.String customerId;
+    private java.lang.String orderId;
+    private java.math.BigDecimal price;
+    private java.time.Instant createdAt;
+    private com.food.ordering.system.kafka.order.avro.model.PaymentStatus paymentStatus;
+    private java.util.List<java.lang.String> failureMessages;
+
+    /** Creates a new Builder */
+    private Builder() {
+      super(SCHEMA$, MODEL$);
+    }
+
+    /**
+     * Creates a Builder by copying an existing Builder.
+     * @param other The existing Builder to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder other) {
+      super(other);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = other.fieldSetFlags()[0];
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = other.fieldSetFlags()[1];
+      }
+      if (isValidValue(fields()[2], other.paymentId)) {
+        this.paymentId = data().deepCopy(fields()[2].schema(), other.paymentId);
+        fieldSetFlags()[2] = other.fieldSetFlags()[2];
+      }
+      if (isValidValue(fields()[3], other.customerId)) {
+        this.customerId = data().deepCopy(fields()[3].schema(), other.customerId);
+        fieldSetFlags()[3] = other.fieldSetFlags()[3];
+      }
+      if (isValidValue(fields()[4], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[4].schema(), other.orderId);
+        fieldSetFlags()[4] = other.fieldSetFlags()[4];
+      }
+      if (isValidValue(fields()[5], other.price)) {
+        this.price = data().deepCopy(fields()[5].schema(), other.price);
+        fieldSetFlags()[5] = other.fieldSetFlags()[5];
+      }
+      if (isValidValue(fields()[6], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[6].schema(), other.createdAt);
+        fieldSetFlags()[6] = other.fieldSetFlags()[6];
+      }
+      if (isValidValue(fields()[7], other.paymentStatus)) {
+        this.paymentStatus = data().deepCopy(fields()[7].schema(), other.paymentStatus);
+        fieldSetFlags()[7] = other.fieldSetFlags()[7];
+      }
+      if (isValidValue(fields()[8], other.failureMessages)) {
+        this.failureMessages = data().deepCopy(fields()[8].schema(), other.failureMessages);
+        fieldSetFlags()[8] = other.fieldSetFlags()[8];
+      }
+    }
+
+    /**
+     * Creates a Builder by copying an existing PaymentResponseAvroModel instance
+     * @param other The existing instance to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel other) {
+      super(SCHEMA$, MODEL$);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = true;
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = true;
+      }
+      if (isValidValue(fields()[2], other.paymentId)) {
+        this.paymentId = data().deepCopy(fields()[2].schema(), other.paymentId);
+        fieldSetFlags()[2] = true;
+      }
+      if (isValidValue(fields()[3], other.customerId)) {
+        this.customerId = data().deepCopy(fields()[3].schema(), other.customerId);
+        fieldSetFlags()[3] = true;
+      }
+      if (isValidValue(fields()[4], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[4].schema(), other.orderId);
+        fieldSetFlags()[4] = true;
+      }
+      if (isValidValue(fields()[5], other.price)) {
+        this.price = data().deepCopy(fields()[5].schema(), other.price);
+        fieldSetFlags()[5] = true;
+      }
+      if (isValidValue(fields()[6], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[6].schema(), other.createdAt);
+        fieldSetFlags()[6] = true;
+      }
+      if (isValidValue(fields()[7], other.paymentStatus)) {
+        this.paymentStatus = data().deepCopy(fields()[7].schema(), other.paymentStatus);
+        fieldSetFlags()[7] = true;
+      }
+      if (isValidValue(fields()[8], other.failureMessages)) {
+        this.failureMessages = data().deepCopy(fields()[8].schema(), other.failureMessages);
+        fieldSetFlags()[8] = true;
+      }
+    }
+
+    /**
+      * Gets the value of the 'id' field.
+      * @return The value.
+      */
+    public java.lang.String getId() {
+      return id;
+    }
+
+
+    /**
+      * Sets the value of the 'id' field.
+      * @param value The value of 'id'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setId(java.lang.String value) {
+      validate(fields()[0], value);
+      this.id = value;
+      fieldSetFlags()[0] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'id' field has been set.
+      * @return True if the 'id' field has been set, false otherwise.
+      */
+    public boolean hasId() {
+      return fieldSetFlags()[0];
+    }
+
+
+    /**
+      * Clears the value of the 'id' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearId() {
+      id = null;
+      fieldSetFlags()[0] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'sagaId' field.
+      * @return The value.
+      */
+    public java.lang.String getSagaId() {
+      return sagaId;
+    }
+
+
+    /**
+      * Sets the value of the 'sagaId' field.
+      * @param value The value of 'sagaId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setSagaId(java.lang.String value) {
+      validate(fields()[1], value);
+      this.sagaId = value;
+      fieldSetFlags()[1] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'sagaId' field has been set.
+      * @return True if the 'sagaId' field has been set, false otherwise.
+      */
+    public boolean hasSagaId() {
+      return fieldSetFlags()[1];
+    }
+
+
+    /**
+      * Clears the value of the 'sagaId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearSagaId() {
+      sagaId = null;
+      fieldSetFlags()[1] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'paymentId' field.
+      * @return The value.
+      */
+    public java.lang.String getPaymentId() {
+      return paymentId;
+    }
+
+
+    /**
+      * Sets the value of the 'paymentId' field.
+      * @param value The value of 'paymentId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setPaymentId(java.lang.String value) {
+      validate(fields()[2], value);
+      this.paymentId = value;
+      fieldSetFlags()[2] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'paymentId' field has been set.
+      * @return True if the 'paymentId' field has been set, false otherwise.
+      */
+    public boolean hasPaymentId() {
+      return fieldSetFlags()[2];
+    }
+
+
+    /**
+      * Clears the value of the 'paymentId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearPaymentId() {
+      paymentId = null;
+      fieldSetFlags()[2] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'customerId' field.
+      * @return The value.
+      */
+    public java.lang.String getCustomerId() {
+      return customerId;
+    }
+
+
+    /**
+      * Sets the value of the 'customerId' field.
+      * @param value The value of 'customerId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setCustomerId(java.lang.String value) {
+      validate(fields()[3], value);
+      this.customerId = value;
+      fieldSetFlags()[3] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'customerId' field has been set.
+      * @return True if the 'customerId' field has been set, false otherwise.
+      */
+    public boolean hasCustomerId() {
+      return fieldSetFlags()[3];
+    }
+
+
+    /**
+      * Clears the value of the 'customerId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearCustomerId() {
+      customerId = null;
+      fieldSetFlags()[3] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'orderId' field.
+      * @return The value.
+      */
+    public java.lang.String getOrderId() {
+      return orderId;
+    }
+
+
+    /**
+      * Sets the value of the 'orderId' field.
+      * @param value The value of 'orderId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setOrderId(java.lang.String value) {
+      validate(fields()[4], value);
+      this.orderId = value;
+      fieldSetFlags()[4] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'orderId' field has been set.
+      * @return True if the 'orderId' field has been set, false otherwise.
+      */
+    public boolean hasOrderId() {
+      return fieldSetFlags()[4];
+    }
+
+
+    /**
+      * Clears the value of the 'orderId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearOrderId() {
+      orderId = null;
+      fieldSetFlags()[4] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'price' field.
+      * @return The value.
+      */
+    public java.math.BigDecimal getPrice() {
+      return price;
+    }
+
+
+    /**
+      * Sets the value of the 'price' field.
+      * @param value The value of 'price'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setPrice(java.math.BigDecimal value) {
+      validate(fields()[5], value);
+      this.price = value;
+      fieldSetFlags()[5] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'price' field has been set.
+      * @return True if the 'price' field has been set, false otherwise.
+      */
+    public boolean hasPrice() {
+      return fieldSetFlags()[5];
+    }
+
+
+    /**
+      * Clears the value of the 'price' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearPrice() {
+      price = null;
+      fieldSetFlags()[5] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'createdAt' field.
+      * @return The value.
+      */
+    public java.time.Instant getCreatedAt() {
+      return createdAt;
+    }
+
+
+    /**
+      * Sets the value of the 'createdAt' field.
+      * @param value The value of 'createdAt'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setCreatedAt(java.time.Instant value) {
+      validate(fields()[6], value);
+      this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+      fieldSetFlags()[6] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'createdAt' field has been set.
+      * @return True if the 'createdAt' field has been set, false otherwise.
+      */
+    public boolean hasCreatedAt() {
+      return fieldSetFlags()[6];
+    }
+
+
+    /**
+      * Clears the value of the 'createdAt' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearCreatedAt() {
+      fieldSetFlags()[6] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'paymentStatus' field.
+      * @return The value.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentStatus getPaymentStatus() {
+      return paymentStatus;
+    }
+
+
+    /**
+      * Sets the value of the 'paymentStatus' field.
+      * @param value The value of 'paymentStatus'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setPaymentStatus(com.food.ordering.system.kafka.order.avro.model.PaymentStatus value) {
+      validate(fields()[7], value);
+      this.paymentStatus = value;
+      fieldSetFlags()[7] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'paymentStatus' field has been set.
+      * @return True if the 'paymentStatus' field has been set, false otherwise.
+      */
+    public boolean hasPaymentStatus() {
+      return fieldSetFlags()[7];
+    }
+
+
+    /**
+      * Clears the value of the 'paymentStatus' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearPaymentStatus() {
+      paymentStatus = null;
+      fieldSetFlags()[7] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'failureMessages' field.
+      * @return The value.
+      */
+    public java.util.List<java.lang.String> getFailureMessages() {
+      return failureMessages;
+    }
+
+
+    /**
+      * Sets the value of the 'failureMessages' field.
+      * @param value The value of 'failureMessages'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder setFailureMessages(java.util.List<java.lang.String> value) {
+      validate(fields()[8], value);
+      this.failureMessages = value;
+      fieldSetFlags()[8] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'failureMessages' field has been set.
+      * @return True if the 'failureMessages' field has been set, false otherwise.
+      */
+    public boolean hasFailureMessages() {
+      return fieldSetFlags()[8];
+    }
+
+
+    /**
+      * Clears the value of the 'failureMessages' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.PaymentResponseAvroModel.Builder clearFailureMessages() {
+      failureMessages = null;
+      fieldSetFlags()[8] = false;
+      return this;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public PaymentResponseAvroModel build() {
+      try {
+        PaymentResponseAvroModel record = new PaymentResponseAvroModel();
+        record.id = fieldSetFlags()[0] ? this.id : (java.lang.String) defaultValue(fields()[0]);
+        record.sagaId = fieldSetFlags()[1] ? this.sagaId : (java.lang.String) defaultValue(fields()[1]);
+        record.paymentId = fieldSetFlags()[2] ? this.paymentId : (java.lang.String) defaultValue(fields()[2]);
+        record.customerId = fieldSetFlags()[3] ? this.customerId : (java.lang.String) defaultValue(fields()[3]);
+        record.orderId = fieldSetFlags()[4] ? this.orderId : (java.lang.String) defaultValue(fields()[4]);
+        record.price = fieldSetFlags()[5] ? this.price : (java.math.BigDecimal) defaultValue(fields()[5]);
+        record.createdAt = fieldSetFlags()[6] ? this.createdAt : (java.time.Instant) defaultValue(fields()[6]);
+        record.paymentStatus = fieldSetFlags()[7] ? this.paymentStatus : (com.food.ordering.system.kafka.order.avro.model.PaymentStatus) defaultValue(fields()[7]);
+        record.failureMessages = fieldSetFlags()[8] ? this.failureMessages : (java.util.List<java.lang.String>) defaultValue(fields()[8]);
+        return record;
+      } catch (org.apache.avro.AvroMissingFieldException e) {
+        throw e;
+      } catch (java.lang.Exception e) {
+        throw new org.apache.avro.AvroRuntimeException(e);
+      }
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumWriter<PaymentResponseAvroModel>
+    WRITER$ = (org.apache.avro.io.DatumWriter<PaymentResponseAvroModel>)MODEL$.createDatumWriter(SCHEMA$);
+
+  @Override public void writeExternal(java.io.ObjectOutput out)
+    throws java.io.IOException {
+    WRITER$.write(this, SpecificData.getEncoder(out));
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumReader<PaymentResponseAvroModel>
+    READER$ = (org.apache.avro.io.DatumReader<PaymentResponseAvroModel>)MODEL$.createDatumReader(SCHEMA$);
+
+  @Override public void readExternal(java.io.ObjectInput in)
+    throws java.io.IOException {
+    READER$.read(this, SpecificData.getDecoder(in));
+  }
+
+}
+
+
+
+
+
+
+
+
+
+

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/PaymentStatus.java

@@ -0,0 +1,13 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+@org.apache.avro.specific.AvroGenerated
+public enum PaymentStatus implements org.apache.avro.generic.GenericEnumSymbol<PaymentStatus> {
+  COMPLETED, CANCELLED, FAILED  ;
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"PaymentStatus\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"symbols\":[\"COMPLETED\",\"CANCELLED\",\"FAILED\"]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+}

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/Product.java

@@ -0,0 +1,390 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+
+import org.apache.avro.message.BinaryMessageDecoder;
+import org.apache.avro.message.BinaryMessageEncoder;
+import org.apache.avro.message.SchemaStore;
+import org.apache.avro.specific.SpecificData;
+
+@org.apache.avro.specific.AvroGenerated
+public class Product extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
+  private static final long serialVersionUID = -6511580554663840009L;
+
+
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"Product\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"fields\":[{\"name\":\"id\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"logicalType\":\"uuid\"},{\"name\":\"quantity\",\"type\":\"int\"}]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+
+  private static final SpecificData MODEL$ = new SpecificData();
+
+  private static final BinaryMessageEncoder<Product> ENCODER =
+      new BinaryMessageEncoder<Product>(MODEL$, SCHEMA$);
+
+  private static final BinaryMessageDecoder<Product> DECODER =
+      new BinaryMessageDecoder<Product>(MODEL$, SCHEMA$);
+
+  /**
+   * Return the BinaryMessageEncoder instance used by this class.
+   * @return the message encoder used by this class
+   */
+  public static BinaryMessageEncoder<Product> getEncoder() {
+    return ENCODER;
+  }
+
+  /**
+   * Return the BinaryMessageDecoder instance used by this class.
+   * @return the message decoder used by this class
+   */
+  public static BinaryMessageDecoder<Product> getDecoder() {
+    return DECODER;
+  }
+
+  /**
+   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
+   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
+   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
+   */
+  public static BinaryMessageDecoder<Product> createDecoder(SchemaStore resolver) {
+    return new BinaryMessageDecoder<Product>(MODEL$, SCHEMA$, resolver);
+  }
+
+  /**
+   * Serializes this Product to a ByteBuffer.
+   * @return a buffer holding the serialized data for this instance
+   * @throws java.io.IOException if this instance could not be serialized
+   */
+  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
+    return ENCODER.encode(this);
+  }
+
+  /**
+   * Deserializes a Product from a ByteBuffer.
+   * @param b a byte buffer holding serialized data for an instance of this class
+   * @return a Product instance decoded from the given buffer
+   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
+   */
+  public static Product fromByteBuffer(
+      java.nio.ByteBuffer b) throws java.io.IOException {
+    return DECODER.decode(b);
+  }
+
+  private java.lang.String id;
+  private int quantity;
+
+  /**
+   * Default constructor.  Note that this does not initialize fields
+   * to their default values from the schema.  If that is desired then
+   * one should use <code>newBuilder()</code>.
+   */
+  public Product() {}
+
+  /**
+   * All-args constructor.
+   * @param id The new value for id
+   * @param quantity The new value for quantity
+   */
+  public Product(java.lang.String id, java.lang.Integer quantity) {
+    this.id = id;
+    this.quantity = quantity;
+  }
+
+  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+  // Used by DatumWriter.  Applications should not call.
+  public java.lang.Object get(int field$) {
+    switch (field$) {
+    case 0: return id;
+    case 1: return quantity;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  // Used by DatumReader.  Applications should not call.
+  @SuppressWarnings(value="unchecked")
+  public void put(int field$, java.lang.Object value$) {
+    switch (field$) {
+    case 0: id = value$ != null ? value$.toString() : null; break;
+    case 1: quantity = (java.lang.Integer)value$; break;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  /**
+   * Gets the value of the 'id' field.
+   * @return The value of the 'id' field.
+   */
+  public java.lang.String getId() {
+    return id;
+  }
+
+
+  /**
+   * Sets the value of the 'id' field.
+   * @param value the value to set.
+   */
+  public void setId(java.lang.String value) {
+    this.id = value;
+  }
+
+  /**
+   * Gets the value of the 'quantity' field.
+   * @return The value of the 'quantity' field.
+   */
+  public int getQuantity() {
+    return quantity;
+  }
+
+
+  /**
+   * Sets the value of the 'quantity' field.
+   * @param value the value to set.
+   */
+  public void setQuantity(int value) {
+    this.quantity = value;
+  }
+
+  /**
+   * Creates a new Product RecordBuilder.
+   * @return A new Product RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.Product.Builder newBuilder() {
+    return new com.food.ordering.system.kafka.order.avro.model.Product.Builder();
+  }
+
+  /**
+   * Creates a new Product RecordBuilder by copying an existing Builder.
+   * @param other The existing builder to copy.
+   * @return A new Product RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.Product.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.Product.Builder other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.Product.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.Product.Builder(other);
+    }
+  }
+
+  /**
+   * Creates a new Product RecordBuilder by copying an existing Product instance.
+   * @param other The existing instance to copy.
+   * @return A new Product RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.Product.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.Product other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.Product.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.Product.Builder(other);
+    }
+  }
+
+  /**
+   * RecordBuilder for Product instances.
+   */
+  @org.apache.avro.specific.AvroGenerated
+  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<Product>
+    implements org.apache.avro.data.RecordBuilder<Product> {
+
+    private java.lang.String id;
+    private int quantity;
+
+    /** Creates a new Builder */
+    private Builder() {
+      super(SCHEMA$, MODEL$);
+    }
+
+    /**
+     * Creates a Builder by copying an existing Builder.
+     * @param other The existing Builder to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.Product.Builder other) {
+      super(other);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = other.fieldSetFlags()[0];
+      }
+      if (isValidValue(fields()[1], other.quantity)) {
+        this.quantity = data().deepCopy(fields()[1].schema(), other.quantity);
+        fieldSetFlags()[1] = other.fieldSetFlags()[1];
+      }
+    }
+
+    /**
+     * Creates a Builder by copying an existing Product instance
+     * @param other The existing instance to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.Product other) {
+      super(SCHEMA$, MODEL$);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = true;
+      }
+      if (isValidValue(fields()[1], other.quantity)) {
+        this.quantity = data().deepCopy(fields()[1].schema(), other.quantity);
+        fieldSetFlags()[1] = true;
+      }
+    }
+
+    /**
+      * Gets the value of the 'id' field.
+      * @return The value.
+      */
+    public java.lang.String getId() {
+      return id;
+    }
+
+
+    /**
+      * Sets the value of the 'id' field.
+      * @param value The value of 'id'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.Product.Builder setId(java.lang.String value) {
+      validate(fields()[0], value);
+      this.id = value;
+      fieldSetFlags()[0] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'id' field has been set.
+      * @return True if the 'id' field has been set, false otherwise.
+      */
+    public boolean hasId() {
+      return fieldSetFlags()[0];
+    }
+
+
+    /**
+      * Clears the value of the 'id' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.Product.Builder clearId() {
+      id = null;
+      fieldSetFlags()[0] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'quantity' field.
+      * @return The value.
+      */
+    public int getQuantity() {
+      return quantity;
+    }
+
+
+    /**
+      * Sets the value of the 'quantity' field.
+      * @param value The value of 'quantity'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.Product.Builder setQuantity(int value) {
+      validate(fields()[1], value);
+      this.quantity = value;
+      fieldSetFlags()[1] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'quantity' field has been set.
+      * @return True if the 'quantity' field has been set, false otherwise.
+      */
+    public boolean hasQuantity() {
+      return fieldSetFlags()[1];
+    }
+
+
+    /**
+      * Clears the value of the 'quantity' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.Product.Builder clearQuantity() {
+      fieldSetFlags()[1] = false;
+      return this;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public Product build() {
+      try {
+        Product record = new Product();
+        record.id = fieldSetFlags()[0] ? this.id : (java.lang.String) defaultValue(fields()[0]);
+        record.quantity = fieldSetFlags()[1] ? this.quantity : (java.lang.Integer) defaultValue(fields()[1]);
+        return record;
+      } catch (org.apache.avro.AvroMissingFieldException e) {
+        throw e;
+      } catch (java.lang.Exception e) {
+        throw new org.apache.avro.AvroRuntimeException(e);
+      }
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumWriter<Product>
+    WRITER$ = (org.apache.avro.io.DatumWriter<Product>)MODEL$.createDatumWriter(SCHEMA$);
+
+  @Override public void writeExternal(java.io.ObjectOutput out)
+    throws java.io.IOException {
+    WRITER$.write(this, SpecificData.getEncoder(out));
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumReader<Product>
+    READER$ = (org.apache.avro.io.DatumReader<Product>)MODEL$.createDatumReader(SCHEMA$);
+
+  @Override public void readExternal(java.io.ObjectInput in)
+    throws java.io.IOException {
+    READER$.read(this, SpecificData.getDecoder(in));
+  }
+
+  @Override protected boolean hasCustomCoders() { return true; }
+
+  @Override public void customEncode(org.apache.avro.io.Encoder out)
+    throws java.io.IOException
+  {
+    out.writeString(this.id);
+
+    out.writeInt(this.quantity);
+
+  }
+
+  @Override public void customDecode(org.apache.avro.io.ResolvingDecoder in)
+    throws java.io.IOException
+  {
+    org.apache.avro.Schema.Field[] fieldOrder = in.readFieldOrderIfDiff();
+    if (fieldOrder == null) {
+      this.id = in.readString();
+
+      this.quantity = in.readInt();
+
+    } else {
+      for (int i = 0; i < 2; i++) {
+        switch (fieldOrder[i].pos()) {
+        case 0:
+          this.id = in.readString();
+          break;
+
+        case 1:
+          this.quantity = in.readInt();
+          break;
+
+        default:
+          throw new java.io.IOException("Corrupt ResolvingDecoder.");
+        }
+      }
+    }
+  }
+}
+
+
+
+
+
+
+
+
+
+

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/RestaurantApprovalRequestAvroModel.java

@@ -0,0 +1,809 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+
+import org.apache.avro.generic.GenericArray;
+import org.apache.avro.specific.SpecificData;
+import org.apache.avro.util.Utf8;
+import org.apache.avro.message.BinaryMessageEncoder;
+import org.apache.avro.message.BinaryMessageDecoder;
+import org.apache.avro.message.SchemaStore;
+
+@org.apache.avro.specific.AvroGenerated
+public class RestaurantApprovalRequestAvroModel extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
+  private static final long serialVersionUID = -3917361261016430486L;
+
+
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"RestaurantApprovalRequestAvroModel\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"fields\":[{\"name\":\"id\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"sagaId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"restaurantId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"orderId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"restaurantOrderStatus\",\"type\":{\"type\":\"enum\",\"name\":\"RestaurantOrderStatus\",\"symbols\":[\"PAID\"]}},{\"name\":\"products\",\"type\":{\"type\":\"array\",\"items\":{\"type\":\"record\",\"name\":\"Product\",\"fields\":[{\"name\":\"id\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"logicalType\":\"uuid\"},{\"name\":\"quantity\",\"type\":\"int\"}]}}},{\"name\":\"price\",\"type\":{\"type\":\"bytes\",\"logicalType\":\"decimal\",\"precision\":10,\"scale\":2}},{\"name\":\"createdAt\",\"type\":{\"type\":\"long\",\"logicalType\":\"timestamp-millis\"}}]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+
+  private static final SpecificData MODEL$ = new SpecificData();
+  static {
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.data.TimeConversions.TimestampMillisConversion());
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.Conversions.DecimalConversion());
+  }
+
+  private static final BinaryMessageEncoder<RestaurantApprovalRequestAvroModel> ENCODER =
+      new BinaryMessageEncoder<RestaurantApprovalRequestAvroModel>(MODEL$, SCHEMA$);
+
+  private static final BinaryMessageDecoder<RestaurantApprovalRequestAvroModel> DECODER =
+      new BinaryMessageDecoder<RestaurantApprovalRequestAvroModel>(MODEL$, SCHEMA$);
+
+  /**
+   * Return the BinaryMessageEncoder instance used by this class.
+   * @return the message encoder used by this class
+   */
+  public static BinaryMessageEncoder<RestaurantApprovalRequestAvroModel> getEncoder() {
+    return ENCODER;
+  }
+
+  /**
+   * Return the BinaryMessageDecoder instance used by this class.
+   * @return the message decoder used by this class
+   */
+  public static BinaryMessageDecoder<RestaurantApprovalRequestAvroModel> getDecoder() {
+    return DECODER;
+  }
+
+  /**
+   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
+   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
+   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
+   */
+  public static BinaryMessageDecoder<RestaurantApprovalRequestAvroModel> createDecoder(SchemaStore resolver) {
+    return new BinaryMessageDecoder<RestaurantApprovalRequestAvroModel>(MODEL$, SCHEMA$, resolver);
+  }
+
+  /**
+   * Serializes this RestaurantApprovalRequestAvroModel to a ByteBuffer.
+   * @return a buffer holding the serialized data for this instance
+   * @throws java.io.IOException if this instance could not be serialized
+   */
+  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
+    return ENCODER.encode(this);
+  }
+
+  /**
+   * Deserializes a RestaurantApprovalRequestAvroModel from a ByteBuffer.
+   * @param b a byte buffer holding serialized data for an instance of this class
+   * @return a RestaurantApprovalRequestAvroModel instance decoded from the given buffer
+   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
+   */
+  public static RestaurantApprovalRequestAvroModel fromByteBuffer(
+      java.nio.ByteBuffer b) throws java.io.IOException {
+    return DECODER.decode(b);
+  }
+
+  private java.lang.String id;
+  private java.lang.String sagaId;
+  private java.lang.String restaurantId;
+  private java.lang.String orderId;
+  private com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus restaurantOrderStatus;
+  private java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> products;
+  private java.math.BigDecimal price;
+  private java.time.Instant createdAt;
+
+  /**
+   * Default constructor.  Note that this does not initialize fields
+   * to their default values from the schema.  If that is desired then
+   * one should use <code>newBuilder()</code>.
+   */
+  public RestaurantApprovalRequestAvroModel() {}
+
+  /**
+   * All-args constructor.
+   * @param id The new value for id
+   * @param sagaId The new value for sagaId
+   * @param restaurantId The new value for restaurantId
+   * @param orderId The new value for orderId
+   * @param restaurantOrderStatus The new value for restaurantOrderStatus
+   * @param products The new value for products
+   * @param price The new value for price
+   * @param createdAt The new value for createdAt
+   */
+  public RestaurantApprovalRequestAvroModel(java.lang.String id, java.lang.String sagaId, java.lang.String restaurantId, java.lang.String orderId, com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus restaurantOrderStatus, java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> products, java.math.BigDecimal price, java.time.Instant createdAt) {
+    this.id = id;
+    this.sagaId = sagaId;
+    this.restaurantId = restaurantId;
+    this.orderId = orderId;
+    this.restaurantOrderStatus = restaurantOrderStatus;
+    this.products = products;
+    this.price = price;
+    this.createdAt = createdAt.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+  }
+
+  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+  // Used by DatumWriter.  Applications should not call.
+  public java.lang.Object get(int field$) {
+    switch (field$) {
+    case 0: return id;
+    case 1: return sagaId;
+    case 2: return restaurantId;
+    case 3: return orderId;
+    case 4: return restaurantOrderStatus;
+    case 5: return products;
+    case 6: return price;
+    case 7: return createdAt;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  private static final org.apache.avro.Conversion<?>[] conversions =
+      new org.apache.avro.Conversion<?>[] {
+      null,
+      null,
+      null,
+      null,
+      null,
+      null,
+      new org.apache.avro.Conversions.DecimalConversion(),
+      new org.apache.avro.data.TimeConversions.TimestampMillisConversion(),
+      null
+  };
+
+  @Override
+  public org.apache.avro.Conversion<?> getConversion(int field) {
+    return conversions[field];
+  }
+
+  // Used by DatumReader.  Applications should not call.
+  @SuppressWarnings(value="unchecked")
+  public void put(int field$, java.lang.Object value$) {
+    switch (field$) {
+    case 0: id = value$ != null ? value$.toString() : null; break;
+    case 1: sagaId = value$ != null ? value$.toString() : null; break;
+    case 2: restaurantId = value$ != null ? value$.toString() : null; break;
+    case 3: orderId = value$ != null ? value$.toString() : null; break;
+    case 4: restaurantOrderStatus = (com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus)value$; break;
+    case 5: products = (java.util.List<com.food.ordering.system.kafka.order.avro.model.Product>)value$; break;
+    case 6: price = (java.math.BigDecimal)value$; break;
+    case 7: createdAt = (java.time.Instant)value$; break;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  /**
+   * Gets the value of the 'id' field.
+   * @return The value of the 'id' field.
+   */
+  public java.lang.String getId() {
+    return id;
+  }
+
+
+  /**
+   * Sets the value of the 'id' field.
+   * @param value the value to set.
+   */
+  public void setId(java.lang.String value) {
+    this.id = value;
+  }
+
+  /**
+   * Gets the value of the 'sagaId' field.
+   * @return The value of the 'sagaId' field.
+   */
+  public java.lang.String getSagaId() {
+    return sagaId;
+  }
+
+
+  /**
+   * Sets the value of the 'sagaId' field.
+   * @param value the value to set.
+   */
+  public void setSagaId(java.lang.String value) {
+    this.sagaId = value;
+  }
+
+  /**
+   * Gets the value of the 'restaurantId' field.
+   * @return The value of the 'restaurantId' field.
+   */
+  public java.lang.String getRestaurantId() {
+    return restaurantId;
+  }
+
+
+  /**
+   * Sets the value of the 'restaurantId' field.
+   * @param value the value to set.
+   */
+  public void setRestaurantId(java.lang.String value) {
+    this.restaurantId = value;
+  }
+
+  /**
+   * Gets the value of the 'orderId' field.
+   * @return The value of the 'orderId' field.
+   */
+  public java.lang.String getOrderId() {
+    return orderId;
+  }
+
+
+  /**
+   * Sets the value of the 'orderId' field.
+   * @param value the value to set.
+   */
+  public void setOrderId(java.lang.String value) {
+    this.orderId = value;
+  }
+
+  /**
+   * Gets the value of the 'restaurantOrderStatus' field.
+   * @return The value of the 'restaurantOrderStatus' field.
+   */
+  public com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus getRestaurantOrderStatus() {
+    return restaurantOrderStatus;
+  }
+
+
+  /**
+   * Sets the value of the 'restaurantOrderStatus' field.
+   * @param value the value to set.
+   */
+  public void setRestaurantOrderStatus(com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus value) {
+    this.restaurantOrderStatus = value;
+  }
+
+  /**
+   * Gets the value of the 'products' field.
+   * @return The value of the 'products' field.
+   */
+  public java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> getProducts() {
+    return products;
+  }
+
+
+  /**
+   * Sets the value of the 'products' field.
+   * @param value the value to set.
+   */
+  public void setProducts(java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> value) {
+    this.products = value;
+  }
+
+  /**
+   * Gets the value of the 'price' field.
+   * @return The value of the 'price' field.
+   */
+  public java.math.BigDecimal getPrice() {
+    return price;
+  }
+
+
+  /**
+   * Sets the value of the 'price' field.
+   * @param value the value to set.
+   */
+  public void setPrice(java.math.BigDecimal value) {
+    this.price = value;
+  }
+
+  /**
+   * Gets the value of the 'createdAt' field.
+   * @return The value of the 'createdAt' field.
+   */
+  public java.time.Instant getCreatedAt() {
+    return createdAt;
+  }
+
+
+  /**
+   * Sets the value of the 'createdAt' field.
+   * @param value the value to set.
+   */
+  public void setCreatedAt(java.time.Instant value) {
+    this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+  }
+
+  /**
+   * Creates a new RestaurantApprovalRequestAvroModel RecordBuilder.
+   * @return A new RestaurantApprovalRequestAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder newBuilder() {
+    return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder();
+  }
+
+  /**
+   * Creates a new RestaurantApprovalRequestAvroModel RecordBuilder by copying an existing Builder.
+   * @param other The existing builder to copy.
+   * @return A new RestaurantApprovalRequestAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * Creates a new RestaurantApprovalRequestAvroModel RecordBuilder by copying an existing RestaurantApprovalRequestAvroModel instance.
+   * @param other The existing instance to copy.
+   * @return A new RestaurantApprovalRequestAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * RecordBuilder for RestaurantApprovalRequestAvroModel instances.
+   */
+  @org.apache.avro.specific.AvroGenerated
+  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<RestaurantApprovalRequestAvroModel>
+    implements org.apache.avro.data.RecordBuilder<RestaurantApprovalRequestAvroModel> {
+
+    private java.lang.String id;
+    private java.lang.String sagaId;
+    private java.lang.String restaurantId;
+    private java.lang.String orderId;
+    private com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus restaurantOrderStatus;
+    private java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> products;
+    private java.math.BigDecimal price;
+    private java.time.Instant createdAt;
+
+    /** Creates a new Builder */
+    private Builder() {
+      super(SCHEMA$, MODEL$);
+    }
+
+    /**
+     * Creates a Builder by copying an existing Builder.
+     * @param other The existing Builder to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder other) {
+      super(other);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = other.fieldSetFlags()[0];
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = other.fieldSetFlags()[1];
+      }
+      if (isValidValue(fields()[2], other.restaurantId)) {
+        this.restaurantId = data().deepCopy(fields()[2].schema(), other.restaurantId);
+        fieldSetFlags()[2] = other.fieldSetFlags()[2];
+      }
+      if (isValidValue(fields()[3], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[3].schema(), other.orderId);
+        fieldSetFlags()[3] = other.fieldSetFlags()[3];
+      }
+      if (isValidValue(fields()[4], other.restaurantOrderStatus)) {
+        this.restaurantOrderStatus = data().deepCopy(fields()[4].schema(), other.restaurantOrderStatus);
+        fieldSetFlags()[4] = other.fieldSetFlags()[4];
+      }
+      if (isValidValue(fields()[5], other.products)) {
+        this.products = data().deepCopy(fields()[5].schema(), other.products);
+        fieldSetFlags()[5] = other.fieldSetFlags()[5];
+      }
+      if (isValidValue(fields()[6], other.price)) {
+        this.price = data().deepCopy(fields()[6].schema(), other.price);
+        fieldSetFlags()[6] = other.fieldSetFlags()[6];
+      }
+      if (isValidValue(fields()[7], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[7].schema(), other.createdAt);
+        fieldSetFlags()[7] = other.fieldSetFlags()[7];
+      }
+    }
+
+    /**
+     * Creates a Builder by copying an existing RestaurantApprovalRequestAvroModel instance
+     * @param other The existing instance to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel other) {
+      super(SCHEMA$, MODEL$);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = true;
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = true;
+      }
+      if (isValidValue(fields()[2], other.restaurantId)) {
+        this.restaurantId = data().deepCopy(fields()[2].schema(), other.restaurantId);
+        fieldSetFlags()[2] = true;
+      }
+      if (isValidValue(fields()[3], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[3].schema(), other.orderId);
+        fieldSetFlags()[3] = true;
+      }
+      if (isValidValue(fields()[4], other.restaurantOrderStatus)) {
+        this.restaurantOrderStatus = data().deepCopy(fields()[4].schema(), other.restaurantOrderStatus);
+        fieldSetFlags()[4] = true;
+      }
+      if (isValidValue(fields()[5], other.products)) {
+        this.products = data().deepCopy(fields()[5].schema(), other.products);
+        fieldSetFlags()[5] = true;
+      }
+      if (isValidValue(fields()[6], other.price)) {
+        this.price = data().deepCopy(fields()[6].schema(), other.price);
+        fieldSetFlags()[6] = true;
+      }
+      if (isValidValue(fields()[7], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[7].schema(), other.createdAt);
+        fieldSetFlags()[7] = true;
+      }
+    }
+
+    /**
+      * Gets the value of the 'id' field.
+      * @return The value.
+      */
+    public java.lang.String getId() {
+      return id;
+    }
+
+
+    /**
+      * Sets the value of the 'id' field.
+      * @param value The value of 'id'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setId(java.lang.String value) {
+      validate(fields()[0], value);
+      this.id = value;
+      fieldSetFlags()[0] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'id' field has been set.
+      * @return True if the 'id' field has been set, false otherwise.
+      */
+    public boolean hasId() {
+      return fieldSetFlags()[0];
+    }
+
+
+    /**
+      * Clears the value of the 'id' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearId() {
+      id = null;
+      fieldSetFlags()[0] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'sagaId' field.
+      * @return The value.
+      */
+    public java.lang.String getSagaId() {
+      return sagaId;
+    }
+
+
+    /**
+      * Sets the value of the 'sagaId' field.
+      * @param value The value of 'sagaId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setSagaId(java.lang.String value) {
+      validate(fields()[1], value);
+      this.sagaId = value;
+      fieldSetFlags()[1] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'sagaId' field has been set.
+      * @return True if the 'sagaId' field has been set, false otherwise.
+      */
+    public boolean hasSagaId() {
+      return fieldSetFlags()[1];
+    }
+
+
+    /**
+      * Clears the value of the 'sagaId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearSagaId() {
+      sagaId = null;
+      fieldSetFlags()[1] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'restaurantId' field.
+      * @return The value.
+      */
+    public java.lang.String getRestaurantId() {
+      return restaurantId;
+    }
+
+
+    /**
+      * Sets the value of the 'restaurantId' field.
+      * @param value The value of 'restaurantId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setRestaurantId(java.lang.String value) {
+      validate(fields()[2], value);
+      this.restaurantId = value;
+      fieldSetFlags()[2] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'restaurantId' field has been set.
+      * @return True if the 'restaurantId' field has been set, false otherwise.
+      */
+    public boolean hasRestaurantId() {
+      return fieldSetFlags()[2];
+    }
+
+
+    /**
+      * Clears the value of the 'restaurantId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearRestaurantId() {
+      restaurantId = null;
+      fieldSetFlags()[2] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'orderId' field.
+      * @return The value.
+      */
+    public java.lang.String getOrderId() {
+      return orderId;
+    }
+
+
+    /**
+      * Sets the value of the 'orderId' field.
+      * @param value The value of 'orderId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setOrderId(java.lang.String value) {
+      validate(fields()[3], value);
+      this.orderId = value;
+      fieldSetFlags()[3] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'orderId' field has been set.
+      * @return True if the 'orderId' field has been set, false otherwise.
+      */
+    public boolean hasOrderId() {
+      return fieldSetFlags()[3];
+    }
+
+
+    /**
+      * Clears the value of the 'orderId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearOrderId() {
+      orderId = null;
+      fieldSetFlags()[3] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'restaurantOrderStatus' field.
+      * @return The value.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus getRestaurantOrderStatus() {
+      return restaurantOrderStatus;
+    }
+
+
+    /**
+      * Sets the value of the 'restaurantOrderStatus' field.
+      * @param value The value of 'restaurantOrderStatus'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setRestaurantOrderStatus(com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus value) {
+      validate(fields()[4], value);
+      this.restaurantOrderStatus = value;
+      fieldSetFlags()[4] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'restaurantOrderStatus' field has been set.
+      * @return True if the 'restaurantOrderStatus' field has been set, false otherwise.
+      */
+    public boolean hasRestaurantOrderStatus() {
+      return fieldSetFlags()[4];
+    }
+
+
+    /**
+      * Clears the value of the 'restaurantOrderStatus' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearRestaurantOrderStatus() {
+      restaurantOrderStatus = null;
+      fieldSetFlags()[4] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'products' field.
+      * @return The value.
+      */
+    public java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> getProducts() {
+      return products;
+    }
+
+
+    /**
+      * Sets the value of the 'products' field.
+      * @param value The value of 'products'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setProducts(java.util.List<com.food.ordering.system.kafka.order.avro.model.Product> value) {
+      validate(fields()[5], value);
+      this.products = value;
+      fieldSetFlags()[5] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'products' field has been set.
+      * @return True if the 'products' field has been set, false otherwise.
+      */
+    public boolean hasProducts() {
+      return fieldSetFlags()[5];
+    }
+
+
+    /**
+      * Clears the value of the 'products' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearProducts() {
+      products = null;
+      fieldSetFlags()[5] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'price' field.
+      * @return The value.
+      */
+    public java.math.BigDecimal getPrice() {
+      return price;
+    }
+
+
+    /**
+      * Sets the value of the 'price' field.
+      * @param value The value of 'price'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setPrice(java.math.BigDecimal value) {
+      validate(fields()[6], value);
+      this.price = value;
+      fieldSetFlags()[6] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'price' field has been set.
+      * @return True if the 'price' field has been set, false otherwise.
+      */
+    public boolean hasPrice() {
+      return fieldSetFlags()[6];
+    }
+
+
+    /**
+      * Clears the value of the 'price' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearPrice() {
+      price = null;
+      fieldSetFlags()[6] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'createdAt' field.
+      * @return The value.
+      */
+    public java.time.Instant getCreatedAt() {
+      return createdAt;
+    }
+
+
+    /**
+      * Sets the value of the 'createdAt' field.
+      * @param value The value of 'createdAt'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder setCreatedAt(java.time.Instant value) {
+      validate(fields()[7], value);
+      this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+      fieldSetFlags()[7] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'createdAt' field has been set.
+      * @return True if the 'createdAt' field has been set, false otherwise.
+      */
+    public boolean hasCreatedAt() {
+      return fieldSetFlags()[7];
+    }
+
+
+    /**
+      * Clears the value of the 'createdAt' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalRequestAvroModel.Builder clearCreatedAt() {
+      fieldSetFlags()[7] = false;
+      return this;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public RestaurantApprovalRequestAvroModel build() {
+      try {
+        RestaurantApprovalRequestAvroModel record = new RestaurantApprovalRequestAvroModel();
+        record.id = fieldSetFlags()[0] ? this.id : (java.lang.String) defaultValue(fields()[0]);
+        record.sagaId = fieldSetFlags()[1] ? this.sagaId : (java.lang.String) defaultValue(fields()[1]);
+        record.restaurantId = fieldSetFlags()[2] ? this.restaurantId : (java.lang.String) defaultValue(fields()[2]);
+        record.orderId = fieldSetFlags()[3] ? this.orderId : (java.lang.String) defaultValue(fields()[3]);
+        record.restaurantOrderStatus = fieldSetFlags()[4] ? this.restaurantOrderStatus : (com.food.ordering.system.kafka.order.avro.model.RestaurantOrderStatus) defaultValue(fields()[4]);
+        record.products = fieldSetFlags()[5] ? this.products : (java.util.List<com.food.ordering.system.kafka.order.avro.model.Product>) defaultValue(fields()[5]);
+        record.price = fieldSetFlags()[6] ? this.price : (java.math.BigDecimal) defaultValue(fields()[6]);
+        record.createdAt = fieldSetFlags()[7] ? this.createdAt : (java.time.Instant) defaultValue(fields()[7]);
+        return record;
+      } catch (org.apache.avro.AvroMissingFieldException e) {
+        throw e;
+      } catch (java.lang.Exception e) {
+        throw new org.apache.avro.AvroRuntimeException(e);
+      }
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumWriter<RestaurantApprovalRequestAvroModel>
+    WRITER$ = (org.apache.avro.io.DatumWriter<RestaurantApprovalRequestAvroModel>)MODEL$.createDatumWriter(SCHEMA$);
+
+  @Override public void writeExternal(java.io.ObjectOutput out)
+    throws java.io.IOException {
+    WRITER$.write(this, SpecificData.getEncoder(out));
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumReader<RestaurantApprovalRequestAvroModel>
+    READER$ = (org.apache.avro.io.DatumReader<RestaurantApprovalRequestAvroModel>)MODEL$.createDatumReader(SCHEMA$);
+
+  @Override public void readExternal(java.io.ObjectInput in)
+    throws java.io.IOException {
+    READER$.read(this, SpecificData.getDecoder(in));
+  }
+
+}
+
+
+
+
+
+
+
+
+
+

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/RestaurantApprovalResponseAvroModel.java

@@ -0,0 +1,735 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+
+import org.apache.avro.generic.GenericArray;
+import org.apache.avro.specific.SpecificData;
+import org.apache.avro.util.Utf8;
+import org.apache.avro.message.BinaryMessageEncoder;
+import org.apache.avro.message.BinaryMessageDecoder;
+import org.apache.avro.message.SchemaStore;
+
+@org.apache.avro.specific.AvroGenerated
+public class RestaurantApprovalResponseAvroModel extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
+  private static final long serialVersionUID = -3431989201238018220L;
+
+
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"RestaurantApprovalResponseAvroModel\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"fields\":[{\"name\":\"id\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"sagaId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"restaurantId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"orderId\",\"type\":{\"type\":\"string\",\"logicalType\":\"uuid\"}},{\"name\":\"createdAt\",\"type\":{\"type\":\"long\",\"logicalType\":\"timestamp-millis\"}},{\"name\":\"orderApprovalStatus\",\"type\":{\"type\":\"enum\",\"name\":\"OrderApprovalStatus\",\"symbols\":[\"APPROVED\",\"REJECTED\"]}},{\"name\":\"failureMessages\",\"type\":{\"type\":\"array\",\"items\":{\"type\":\"string\",\"avro.java.string\":\"String\"}}}]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+
+  private static final SpecificData MODEL$ = new SpecificData();
+  static {
+    MODEL$.addLogicalTypeConversion(new org.apache.avro.data.TimeConversions.TimestampMillisConversion());
+  }
+
+  private static final BinaryMessageEncoder<RestaurantApprovalResponseAvroModel> ENCODER =
+      new BinaryMessageEncoder<RestaurantApprovalResponseAvroModel>(MODEL$, SCHEMA$);
+
+  private static final BinaryMessageDecoder<RestaurantApprovalResponseAvroModel> DECODER =
+      new BinaryMessageDecoder<RestaurantApprovalResponseAvroModel>(MODEL$, SCHEMA$);
+
+  /**
+   * Return the BinaryMessageEncoder instance used by this class.
+   * @return the message encoder used by this class
+   */
+  public static BinaryMessageEncoder<RestaurantApprovalResponseAvroModel> getEncoder() {
+    return ENCODER;
+  }
+
+  /**
+   * Return the BinaryMessageDecoder instance used by this class.
+   * @return the message decoder used by this class
+   */
+  public static BinaryMessageDecoder<RestaurantApprovalResponseAvroModel> getDecoder() {
+    return DECODER;
+  }
+
+  /**
+   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
+   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
+   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
+   */
+  public static BinaryMessageDecoder<RestaurantApprovalResponseAvroModel> createDecoder(SchemaStore resolver) {
+    return new BinaryMessageDecoder<RestaurantApprovalResponseAvroModel>(MODEL$, SCHEMA$, resolver);
+  }
+
+  /**
+   * Serializes this RestaurantApprovalResponseAvroModel to a ByteBuffer.
+   * @return a buffer holding the serialized data for this instance
+   * @throws java.io.IOException if this instance could not be serialized
+   */
+  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
+    return ENCODER.encode(this);
+  }
+
+  /**
+   * Deserializes a RestaurantApprovalResponseAvroModel from a ByteBuffer.
+   * @param b a byte buffer holding serialized data for an instance of this class
+   * @return a RestaurantApprovalResponseAvroModel instance decoded from the given buffer
+   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
+   */
+  public static RestaurantApprovalResponseAvroModel fromByteBuffer(
+      java.nio.ByteBuffer b) throws java.io.IOException {
+    return DECODER.decode(b);
+  }
+
+  private java.lang.String id;
+  private java.lang.String sagaId;
+  private java.lang.String restaurantId;
+  private java.lang.String orderId;
+  private java.time.Instant createdAt;
+  private com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus orderApprovalStatus;
+  private java.util.List<java.lang.String> failureMessages;
+
+  /**
+   * Default constructor.  Note that this does not initialize fields
+   * to their default values from the schema.  If that is desired then
+   * one should use <code>newBuilder()</code>.
+   */
+  public RestaurantApprovalResponseAvroModel() {}
+
+  /**
+   * All-args constructor.
+   * @param id The new value for id
+   * @param sagaId The new value for sagaId
+   * @param restaurantId The new value for restaurantId
+   * @param orderId The new value for orderId
+   * @param createdAt The new value for createdAt
+   * @param orderApprovalStatus The new value for orderApprovalStatus
+   * @param failureMessages The new value for failureMessages
+   */
+  public RestaurantApprovalResponseAvroModel(java.lang.String id, java.lang.String sagaId, java.lang.String restaurantId, java.lang.String orderId, java.time.Instant createdAt, com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus orderApprovalStatus, java.util.List<java.lang.String> failureMessages) {
+    this.id = id;
+    this.sagaId = sagaId;
+    this.restaurantId = restaurantId;
+    this.orderId = orderId;
+    this.createdAt = createdAt.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+    this.orderApprovalStatus = orderApprovalStatus;
+    this.failureMessages = failureMessages;
+  }
+
+  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+  // Used by DatumWriter.  Applications should not call.
+  public java.lang.Object get(int field$) {
+    switch (field$) {
+    case 0: return id;
+    case 1: return sagaId;
+    case 2: return restaurantId;
+    case 3: return orderId;
+    case 4: return createdAt;
+    case 5: return orderApprovalStatus;
+    case 6: return failureMessages;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  private static final org.apache.avro.Conversion<?>[] conversions =
+      new org.apache.avro.Conversion<?>[] {
+      null,
+      null,
+      null,
+      null,
+      new org.apache.avro.data.TimeConversions.TimestampMillisConversion(),
+      null,
+      null,
+      null
+  };
+
+  @Override
+  public org.apache.avro.Conversion<?> getConversion(int field) {
+    return conversions[field];
+  }
+
+  // Used by DatumReader.  Applications should not call.
+  @SuppressWarnings(value="unchecked")
+  public void put(int field$, java.lang.Object value$) {
+    switch (field$) {
+    case 0: id = value$ != null ? value$.toString() : null; break;
+    case 1: sagaId = value$ != null ? value$.toString() : null; break;
+    case 2: restaurantId = value$ != null ? value$.toString() : null; break;
+    case 3: orderId = value$ != null ? value$.toString() : null; break;
+    case 4: createdAt = (java.time.Instant)value$; break;
+    case 5: orderApprovalStatus = (com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus)value$; break;
+    case 6: failureMessages = (java.util.List<java.lang.String>)value$; break;
+    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
+    }
+  }
+
+  /**
+   * Gets the value of the 'id' field.
+   * @return The value of the 'id' field.
+   */
+  public java.lang.String getId() {
+    return id;
+  }
+
+
+  /**
+   * Sets the value of the 'id' field.
+   * @param value the value to set.
+   */
+  public void setId(java.lang.String value) {
+    this.id = value;
+  }
+
+  /**
+   * Gets the value of the 'sagaId' field.
+   * @return The value of the 'sagaId' field.
+   */
+  public java.lang.String getSagaId() {
+    return sagaId;
+  }
+
+
+  /**
+   * Sets the value of the 'sagaId' field.
+   * @param value the value to set.
+   */
+  public void setSagaId(java.lang.String value) {
+    this.sagaId = value;
+  }
+
+  /**
+   * Gets the value of the 'restaurantId' field.
+   * @return The value of the 'restaurantId' field.
+   */
+  public java.lang.String getRestaurantId() {
+    return restaurantId;
+  }
+
+
+  /**
+   * Sets the value of the 'restaurantId' field.
+   * @param value the value to set.
+   */
+  public void setRestaurantId(java.lang.String value) {
+    this.restaurantId = value;
+  }
+
+  /**
+   * Gets the value of the 'orderId' field.
+   * @return The value of the 'orderId' field.
+   */
+  public java.lang.String getOrderId() {
+    return orderId;
+  }
+
+
+  /**
+   * Sets the value of the 'orderId' field.
+   * @param value the value to set.
+   */
+  public void setOrderId(java.lang.String value) {
+    this.orderId = value;
+  }
+
+  /**
+   * Gets the value of the 'createdAt' field.
+   * @return The value of the 'createdAt' field.
+   */
+  public java.time.Instant getCreatedAt() {
+    return createdAt;
+  }
+
+
+  /**
+   * Sets the value of the 'createdAt' field.
+   * @param value the value to set.
+   */
+  public void setCreatedAt(java.time.Instant value) {
+    this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+  }
+
+  /**
+   * Gets the value of the 'orderApprovalStatus' field.
+   * @return The value of the 'orderApprovalStatus' field.
+   */
+  public com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus getOrderApprovalStatus() {
+    return orderApprovalStatus;
+  }
+
+
+  /**
+   * Sets the value of the 'orderApprovalStatus' field.
+   * @param value the value to set.
+   */
+  public void setOrderApprovalStatus(com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus value) {
+    this.orderApprovalStatus = value;
+  }
+
+  /**
+   * Gets the value of the 'failureMessages' field.
+   * @return The value of the 'failureMessages' field.
+   */
+  public java.util.List<java.lang.String> getFailureMessages() {
+    return failureMessages;
+  }
+
+
+  /**
+   * Sets the value of the 'failureMessages' field.
+   * @param value the value to set.
+   */
+  public void setFailureMessages(java.util.List<java.lang.String> value) {
+    this.failureMessages = value;
+  }
+
+  /**
+   * Creates a new RestaurantApprovalResponseAvroModel RecordBuilder.
+   * @return A new RestaurantApprovalResponseAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder newBuilder() {
+    return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder();
+  }
+
+  /**
+   * Creates a new RestaurantApprovalResponseAvroModel RecordBuilder by copying an existing Builder.
+   * @param other The existing builder to copy.
+   * @return A new RestaurantApprovalResponseAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * Creates a new RestaurantApprovalResponseAvroModel RecordBuilder by copying an existing RestaurantApprovalResponseAvroModel instance.
+   * @param other The existing instance to copy.
+   * @return A new RestaurantApprovalResponseAvroModel RecordBuilder
+   */
+  public static com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder newBuilder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel other) {
+    if (other == null) {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder();
+    } else {
+      return new com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder(other);
+    }
+  }
+
+  /**
+   * RecordBuilder for RestaurantApprovalResponseAvroModel instances.
+   */
+  @org.apache.avro.specific.AvroGenerated
+  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<RestaurantApprovalResponseAvroModel>
+    implements org.apache.avro.data.RecordBuilder<RestaurantApprovalResponseAvroModel> {
+
+    private java.lang.String id;
+    private java.lang.String sagaId;
+    private java.lang.String restaurantId;
+    private java.lang.String orderId;
+    private java.time.Instant createdAt;
+    private com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus orderApprovalStatus;
+    private java.util.List<java.lang.String> failureMessages;
+
+    /** Creates a new Builder */
+    private Builder() {
+      super(SCHEMA$, MODEL$);
+    }
+
+    /**
+     * Creates a Builder by copying an existing Builder.
+     * @param other The existing Builder to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder other) {
+      super(other);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = other.fieldSetFlags()[0];
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = other.fieldSetFlags()[1];
+      }
+      if (isValidValue(fields()[2], other.restaurantId)) {
+        this.restaurantId = data().deepCopy(fields()[2].schema(), other.restaurantId);
+        fieldSetFlags()[2] = other.fieldSetFlags()[2];
+      }
+      if (isValidValue(fields()[3], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[3].schema(), other.orderId);
+        fieldSetFlags()[3] = other.fieldSetFlags()[3];
+      }
+      if (isValidValue(fields()[4], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[4].schema(), other.createdAt);
+        fieldSetFlags()[4] = other.fieldSetFlags()[4];
+      }
+      if (isValidValue(fields()[5], other.orderApprovalStatus)) {
+        this.orderApprovalStatus = data().deepCopy(fields()[5].schema(), other.orderApprovalStatus);
+        fieldSetFlags()[5] = other.fieldSetFlags()[5];
+      }
+      if (isValidValue(fields()[6], other.failureMessages)) {
+        this.failureMessages = data().deepCopy(fields()[6].schema(), other.failureMessages);
+        fieldSetFlags()[6] = other.fieldSetFlags()[6];
+      }
+    }
+
+    /**
+     * Creates a Builder by copying an existing RestaurantApprovalResponseAvroModel instance
+     * @param other The existing instance to copy.
+     */
+    private Builder(com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel other) {
+      super(SCHEMA$, MODEL$);
+      if (isValidValue(fields()[0], other.id)) {
+        this.id = data().deepCopy(fields()[0].schema(), other.id);
+        fieldSetFlags()[0] = true;
+      }
+      if (isValidValue(fields()[1], other.sagaId)) {
+        this.sagaId = data().deepCopy(fields()[1].schema(), other.sagaId);
+        fieldSetFlags()[1] = true;
+      }
+      if (isValidValue(fields()[2], other.restaurantId)) {
+        this.restaurantId = data().deepCopy(fields()[2].schema(), other.restaurantId);
+        fieldSetFlags()[2] = true;
+      }
+      if (isValidValue(fields()[3], other.orderId)) {
+        this.orderId = data().deepCopy(fields()[3].schema(), other.orderId);
+        fieldSetFlags()[3] = true;
+      }
+      if (isValidValue(fields()[4], other.createdAt)) {
+        this.createdAt = data().deepCopy(fields()[4].schema(), other.createdAt);
+        fieldSetFlags()[4] = true;
+      }
+      if (isValidValue(fields()[5], other.orderApprovalStatus)) {
+        this.orderApprovalStatus = data().deepCopy(fields()[5].schema(), other.orderApprovalStatus);
+        fieldSetFlags()[5] = true;
+      }
+      if (isValidValue(fields()[6], other.failureMessages)) {
+        this.failureMessages = data().deepCopy(fields()[6].schema(), other.failureMessages);
+        fieldSetFlags()[6] = true;
+      }
+    }
+
+    /**
+      * Gets the value of the 'id' field.
+      * @return The value.
+      */
+    public java.lang.String getId() {
+      return id;
+    }
+
+
+    /**
+      * Sets the value of the 'id' field.
+      * @param value The value of 'id'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setId(java.lang.String value) {
+      validate(fields()[0], value);
+      this.id = value;
+      fieldSetFlags()[0] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'id' field has been set.
+      * @return True if the 'id' field has been set, false otherwise.
+      */
+    public boolean hasId() {
+      return fieldSetFlags()[0];
+    }
+
+
+    /**
+      * Clears the value of the 'id' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearId() {
+      id = null;
+      fieldSetFlags()[0] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'sagaId' field.
+      * @return The value.
+      */
+    public java.lang.String getSagaId() {
+      return sagaId;
+    }
+
+
+    /**
+      * Sets the value of the 'sagaId' field.
+      * @param value The value of 'sagaId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setSagaId(java.lang.String value) {
+      validate(fields()[1], value);
+      this.sagaId = value;
+      fieldSetFlags()[1] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'sagaId' field has been set.
+      * @return True if the 'sagaId' field has been set, false otherwise.
+      */
+    public boolean hasSagaId() {
+      return fieldSetFlags()[1];
+    }
+
+
+    /**
+      * Clears the value of the 'sagaId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearSagaId() {
+      sagaId = null;
+      fieldSetFlags()[1] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'restaurantId' field.
+      * @return The value.
+      */
+    public java.lang.String getRestaurantId() {
+      return restaurantId;
+    }
+
+
+    /**
+      * Sets the value of the 'restaurantId' field.
+      * @param value The value of 'restaurantId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setRestaurantId(java.lang.String value) {
+      validate(fields()[2], value);
+      this.restaurantId = value;
+      fieldSetFlags()[2] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'restaurantId' field has been set.
+      * @return True if the 'restaurantId' field has been set, false otherwise.
+      */
+    public boolean hasRestaurantId() {
+      return fieldSetFlags()[2];
+    }
+
+
+    /**
+      * Clears the value of the 'restaurantId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearRestaurantId() {
+      restaurantId = null;
+      fieldSetFlags()[2] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'orderId' field.
+      * @return The value.
+      */
+    public java.lang.String getOrderId() {
+      return orderId;
+    }
+
+
+    /**
+      * Sets the value of the 'orderId' field.
+      * @param value The value of 'orderId'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setOrderId(java.lang.String value) {
+      validate(fields()[3], value);
+      this.orderId = value;
+      fieldSetFlags()[3] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'orderId' field has been set.
+      * @return True if the 'orderId' field has been set, false otherwise.
+      */
+    public boolean hasOrderId() {
+      return fieldSetFlags()[3];
+    }
+
+
+    /**
+      * Clears the value of the 'orderId' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearOrderId() {
+      orderId = null;
+      fieldSetFlags()[3] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'createdAt' field.
+      * @return The value.
+      */
+    public java.time.Instant getCreatedAt() {
+      return createdAt;
+    }
+
+
+    /**
+      * Sets the value of the 'createdAt' field.
+      * @param value The value of 'createdAt'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setCreatedAt(java.time.Instant value) {
+      validate(fields()[4], value);
+      this.createdAt = value.truncatedTo(java.time.temporal.ChronoUnit.MILLIS);
+      fieldSetFlags()[4] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'createdAt' field has been set.
+      * @return True if the 'createdAt' field has been set, false otherwise.
+      */
+    public boolean hasCreatedAt() {
+      return fieldSetFlags()[4];
+    }
+
+
+    /**
+      * Clears the value of the 'createdAt' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearCreatedAt() {
+      fieldSetFlags()[4] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'orderApprovalStatus' field.
+      * @return The value.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus getOrderApprovalStatus() {
+      return orderApprovalStatus;
+    }
+
+
+    /**
+      * Sets the value of the 'orderApprovalStatus' field.
+      * @param value The value of 'orderApprovalStatus'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setOrderApprovalStatus(com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus value) {
+      validate(fields()[5], value);
+      this.orderApprovalStatus = value;
+      fieldSetFlags()[5] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'orderApprovalStatus' field has been set.
+      * @return True if the 'orderApprovalStatus' field has been set, false otherwise.
+      */
+    public boolean hasOrderApprovalStatus() {
+      return fieldSetFlags()[5];
+    }
+
+
+    /**
+      * Clears the value of the 'orderApprovalStatus' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearOrderApprovalStatus() {
+      orderApprovalStatus = null;
+      fieldSetFlags()[5] = false;
+      return this;
+    }
+
+    /**
+      * Gets the value of the 'failureMessages' field.
+      * @return The value.
+      */
+    public java.util.List<java.lang.String> getFailureMessages() {
+      return failureMessages;
+    }
+
+
+    /**
+      * Sets the value of the 'failureMessages' field.
+      * @param value The value of 'failureMessages'.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder setFailureMessages(java.util.List<java.lang.String> value) {
+      validate(fields()[6], value);
+      this.failureMessages = value;
+      fieldSetFlags()[6] = true;
+      return this;
+    }
+
+    /**
+      * Checks whether the 'failureMessages' field has been set.
+      * @return True if the 'failureMessages' field has been set, false otherwise.
+      */
+    public boolean hasFailureMessages() {
+      return fieldSetFlags()[6];
+    }
+
+
+    /**
+      * Clears the value of the 'failureMessages' field.
+      * @return This builder.
+      */
+    public com.food.ordering.system.kafka.order.avro.model.RestaurantApprovalResponseAvroModel.Builder clearFailureMessages() {
+      failureMessages = null;
+      fieldSetFlags()[6] = false;
+      return this;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public RestaurantApprovalResponseAvroModel build() {
+      try {
+        RestaurantApprovalResponseAvroModel record = new RestaurantApprovalResponseAvroModel();
+        record.id = fieldSetFlags()[0] ? this.id : (java.lang.String) defaultValue(fields()[0]);
+        record.sagaId = fieldSetFlags()[1] ? this.sagaId : (java.lang.String) defaultValue(fields()[1]);
+        record.restaurantId = fieldSetFlags()[2] ? this.restaurantId : (java.lang.String) defaultValue(fields()[2]);
+        record.orderId = fieldSetFlags()[3] ? this.orderId : (java.lang.String) defaultValue(fields()[3]);
+        record.createdAt = fieldSetFlags()[4] ? this.createdAt : (java.time.Instant) defaultValue(fields()[4]);
+        record.orderApprovalStatus = fieldSetFlags()[5] ? this.orderApprovalStatus : (com.food.ordering.system.kafka.order.avro.model.OrderApprovalStatus) defaultValue(fields()[5]);
+        record.failureMessages = fieldSetFlags()[6] ? this.failureMessages : (java.util.List<java.lang.String>) defaultValue(fields()[6]);
+        return record;
+      } catch (org.apache.avro.AvroMissingFieldException e) {
+        throw e;
+      } catch (java.lang.Exception e) {
+        throw new org.apache.avro.AvroRuntimeException(e);
+      }
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumWriter<RestaurantApprovalResponseAvroModel>
+    WRITER$ = (org.apache.avro.io.DatumWriter<RestaurantApprovalResponseAvroModel>)MODEL$.createDatumWriter(SCHEMA$);
+
+  @Override public void writeExternal(java.io.ObjectOutput out)
+    throws java.io.IOException {
+    WRITER$.write(this, SpecificData.getEncoder(out));
+  }
+
+  @SuppressWarnings("unchecked")
+  private static final org.apache.avro.io.DatumReader<RestaurantApprovalResponseAvroModel>
+    READER$ = (org.apache.avro.io.DatumReader<RestaurantApprovalResponseAvroModel>)MODEL$.createDatumReader(SCHEMA$);
+
+  @Override public void readExternal(java.io.ObjectInput in)
+    throws java.io.IOException {
+    READER$.read(this, SpecificData.getDecoder(in));
+  }
+
+}
+
+
+
+
+
+
+
+
+
+

infrastructure/kafka/kafka-model/src/main/java/com/food/ordering/system/kafka/order/avro/model/RestaurantOrderStatus.java

@@ -0,0 +1,13 @@
+/**
+ * Autogenerated by Avro
+ *
+ * DO NOT EDIT DIRECTLY
+ */
+package com.food.ordering.system.kafka.order.avro.model;
+@org.apache.avro.specific.AvroGenerated
+public enum RestaurantOrderStatus implements org.apache.avro.generic.GenericEnumSymbol<RestaurantOrderStatus> {
+  PAID  ;
+  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"RestaurantOrderStatus\",\"namespace\":\"com.food.ordering.system.kafka.order.avro.model\",\"symbols\":[\"PAID\"]}");
+  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
+  public org.apache.avro.Schema getSchema() { return SCHEMA$; }
+}

infrastructure/kafka/kafka-model/src/main/resources/avro/payment_request.avsc

@@ -0,0 +1,59 @@
+{
+    "namespace": "com.food.ordering.system.kafka.order.avro.model",
+    "type": "record",
+    "name": "PaymentRequestAvroModel",
+    "fields": [
+        {
+            "name": "id",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "sagaId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "customerId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "orderId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "price",
+            "type": {
+                "type": "bytes",
+                "logicalType": "decimal",
+                "precision": 10,
+                "scale": 2
+            }
+        },
+        {
+            "name": "createdAt",
+            "type": {
+                "type": "long",
+                "logicalType": "timestamp-millis"
+            }
+        },
+        {
+            "name": "paymentOrderStatus",
+            "type": {
+                  "type": "enum",
+                  "name": "PaymentOrderStatus",
+                  "symbols": ["PENDING", "CANCELLED"]
+               }
+        }
+    ]
+}

infrastructure/kafka/kafka-model/src/main/resources/avro/payment_response.avsc

@@ -0,0 +1,75 @@
+{
+    "namespace": "com.food.ordering.system.kafka.order.avro.model",
+    "type": "record",
+    "name": "PaymentResponseAvroModel",
+    "fields": [
+        {
+            "name": "id",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "sagaId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "paymentId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "customerId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "orderId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "price",
+            "type": {
+                "type": "bytes",
+                "logicalType": "decimal",
+                "precision": 10,
+                "scale": 2
+            }
+        },
+        {
+            "name": "createdAt",
+            "type": {
+                "type": "long",
+                "logicalType": "timestamp-millis"
+            }
+        },
+        {
+            "name": "paymentStatus",
+            "type": {
+                  "type": "enum",
+                  "name": "PaymentStatus",
+                  "symbols": ["COMPLETED", "CANCELLED", "FAILED"]
+               }
+        },
+        {
+            "name": "failureMessages",
+            "type": {
+                "type": "array",
+                "items":{
+                  "type":"string"
+               }
+            }
+        }
+    ]
+}

infrastructure/kafka/kafka-model/src/main/resources/avro/restaurant_approval_request.avsc

@@ -0,0 +1,73 @@
+{
+    "namespace": "com.food.ordering.system.kafka.order.avro.model",
+    "type": "record",
+    "name": "RestaurantApprovalRequestAvroModel",
+    "fields": [
+        {
+            "name": "id",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "sagaId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "restaurantId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "orderId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "restaurantOrderStatus",
+            "type": {
+                  "type": "enum",
+                  "name": "RestaurantOrderStatus",
+                  "symbols": ["PAID"]
+            }
+        },
+        {
+            "name": "products",
+            "type": {
+                "type": "array",
+                "items":{
+                  "name":"Product",
+                  "type":"record",
+                  "fields":[
+                    {"name":"id", "type": "string", "logicalType": "uuid"},
+                    {"name":"quantity", "type": "int"}
+                   ]
+               }
+            }
+        },
+        {
+            "name": "price",
+            "type": {
+                "type": "bytes",
+                "logicalType": "decimal",
+                "precision": 10,
+                "scale": 2
+            }
+        },
+        {
+            "name": "createdAt",
+            "type": {
+                "type": "long",
+                "logicalType": "timestamp-millis"
+            }
+        }
+    ]
+}

infrastructure/kafka/kafka-model/src/main/resources/avro/restaurant_approval_response.avsc

@@ -0,0 +1,59 @@
+{
+    "namespace": "com.food.ordering.system.kafka.order.avro.model",
+    "type": "record",
+    "name": "RestaurantApprovalResponseAvroModel",
+    "fields": [
+        {
+            "name": "id",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "sagaId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "restaurantId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "orderId",
+            "type": {
+                "type": "string",
+                "logicalType": "uuid"
+            }
+        },
+        {
+            "name": "createdAt",
+            "type": {
+                "type": "long",
+                "logicalType": "timestamp-millis"
+            }
+        },
+        {
+            "name": "orderApprovalStatus",
+            "type": {
+                  "type": "enum",
+                  "name": "OrderApprovalStatus",
+                  "symbols": ["APPROVED", "REJECTED"]
+               }
+        },
+        {
+            "name": "failureMessages",
+            "type": {
+                "type": "array",
+                "items":{
+                  "type":"string"
+               }
+            }
+        }
+    ]
+}

infrastructure/kafka/kafka-producer/pom.xml

@@ -11,9 +11,38 @@
 
     <artifactId>kafka-producer</artifactId>
 
-    <properties>
+    <dependencies>
-        <maven.compiler.source>17</maven.compiler.source>
+        <dependency>
-        <maven.compiler.target>17</maven.compiler.target>
+            <groupId>com.food.order</groupId>
-    </properties>
+            <artifactId>kafka-model</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.food.order</groupId>
+            <artifactId>kafka-config</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.food.order</groupId>
+            <artifactId>order-core-domain</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.food.order</groupId>
+            <artifactId>common-domain</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.kafka</groupId>
+            <artifactId>spring-kafka</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.confluent</groupId>
+            <artifactId>kafka-avro-serializer</artifactId>
+        </dependency>
+
+
+    </dependencies>
 
 </project>

infrastructure/kafka/kafka-producer/src/main/java/com/food/order/system/kafka/producer/KafkaProducerConfig.java

@@ -0,0 +1,56 @@
+package com.food.order.system.kafka.producer;
+
+
+import com.food.order.kafka.config.data.KafkaConfigData;
+import com.food.order.kafka.config.data.KafkaProducerConfigData;
+import lombok.RequiredArgsConstructor;
+import org.apache.avro.specific.SpecificRecordBase;
+import org.apache.kafka.clients.producer.ProducerConfig;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.core.DefaultKafkaProducerFactory;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.kafka.core.ProducerFactory;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+@RequiredArgsConstructor
+public class KafkaProducerConfig<K extends Serializable, V extends SpecificRecordBase> {
+
+    private final KafkaConfigData kafkaConfigData;
+    private final KafkaProducerConfigData kafkaProducerConfigData;
+
+    @Bean
+    public Map<String, Object> producerConfig(){
+        Map<String, Object> props = new HashMap<>();
+        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, kafkaConfigData.getBootstrapServers());
+        props.put(kafkaConfigData.getSchemaRegistryUrlKey(), kafkaConfigData.getSchemaRegistryUrl());
+        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, kafkaProducerConfigData.getKeySerializerClass());
+        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, kafkaProducerConfigData.getValueSerializerClass());
+        props.put(ProducerConfig.BATCH_SIZE_CONFIG, kafkaProducerConfigData.getBatchSize() *
+                kafkaProducerConfigData.getBatchSizeBoostFactor());
+        props.put(ProducerConfig.LINGER_MS_CONFIG, kafkaProducerConfigData.getLingerMs());
+        props.put(ProducerConfig.COMPRESSION_TYPE_CONFIG, kafkaProducerConfigData.getCompressionType());
+        props.put(ProducerConfig.ACKS_CONFIG, kafkaProducerConfigData.getAcks());
+        props.put(ProducerConfig.REQUEST_TIMEOUT_MS_CONFIG, kafkaProducerConfigData.getRequestTimeoutMs());
+        props.put(ProducerConfig.RETRIES_CONFIG, kafkaProducerConfigData.getRetryCount());
+        return props;
+    }
+
+    @Bean
+    public ProducerFactory<K,V> producerFactory(){
+        return new DefaultKafkaProducerFactory<>(producerConfig());
+    }
+
+    @Bean
+    public KafkaTemplate<K,V> kafkaTemplate(){
+        return new KafkaTemplate<>(producerFactory());
+    }
+
+
+
+
+}

infrastructure/kafka/kafka-producer/src/main/java/com/food/order/system/kafka/producer/exception/KafkaProducerException.java

@@ -0,0 +1,7 @@
+package com.food.order.system.kafka.producer.exception;
+
+public class KafkaProducerException extends RuntimeException{
+    public KafkaProducerException(String message) {
+        super(message);
+    }
+}

infrastructure/kafka/kafka-producer/src/main/java/com/food/order/system/kafka/producer/service/KafkaProducer.java

@@ -0,0 +1,11 @@
+package com.food.order.system.kafka.producer.service;
+
+import org.apache.avro.specific.SpecificRecordBase;
+import org.springframework.kafka.support.SendResult;
+import org.springframework.util.concurrent.ListenableFutureCallback;
+
+import java.io.Serializable;
+
+public interface KafkaProducer<K extends Serializable, V extends SpecificRecordBase> {
+    void send(String topicName, K key , V message, ListenableFutureCallback<SendResult<K,V>> callback);
+}

infrastructure/kafka/kafka-producer/src/main/java/com/food/order/system/kafka/producer/service/impl/KafkaProducerImpl.java

@@ -0,0 +1,52 @@
+package com.food.order.system.kafka.producer.service.impl;
+
+import com.food.order.system.kafka.producer.service.KafkaProducer;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.avro.specific.SpecificRecordBase;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.kafka.support.SendResult;
+import org.springframework.stereotype.Component;
+import org.springframework.util.concurrent.ListenableFutureCallback;
+
+import javax.annotation.PreDestroy;
+import java.io.Serializable;
+import java.util.Objects;
+
+
+@Component
+@RequiredArgsConstructor
+@Slf4j
+public class KafkaProducerImpl<K extends Serializable, V extends SpecificRecordBase> implements KafkaProducer<K, V> {
+
+    private final KafkaTemplate<K, V> kafkaTemplate;
+
+    @Override
+    public void send(String topicName, K key, V message, ListenableFutureCallback<SendResult<K, V>> callback) {
+        log.info("Sending message to topic: {}, also message {}", topicName,message);
+        kafkaTemplate.send(topicName, key, message)
+                .addCallback(new ListenableFutureCallback<>() {
+                    @Override
+                    public void onFailure(Throwable ex) {
+                        log.error("Error sending message to topic: {}, also message {}", topicName, message, ex);
+                        callback.onFailure(ex);
+                    }
+
+                    @Override
+                    public void onSuccess(SendResult<K, V> result) {
+                        log.info("Message sent to topic: {}, also message {}", topicName, message);
+                        callback.onSuccess(result);
+                    }
+                });
+    }
+
+    @PreDestroy
+    public void destroy() {
+        log.info("KafkaProducerImpl is being destroyed");
+        if (Objects.nonNull(kafkaTemplate)) {
+            kafkaTemplate.destroy();
+        }
+    }
+
+
+}