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Spring Data Reactive Redis examples

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Issue: BAEL-1868
This commit is contained in:
Shreyash
2018-10-14 11:34:09 +05:30
committed by Josh Cummings
parent 3c71e5e677
commit c9f2162f98
12 changed files with 318 additions and 43 deletions
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13
persistence-modules/spring-data-redis/src/main/java/com/baeldung/spring/data/reactive/redis/SpringRedisReactiveApplication.java Normal file
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@@ -0,0 +1,13 @@
package com.baeldung.spring.data.reactive.redis;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringRedisReactiveApplication {
public static void main(String[] args) {
SpringApplication.run(SpringRedisReactiveApplication.class, args);
}
}

56
persistence-modules/spring-data-redis/src/main/java/com/baeldung/spring/data/reactive/redis/config/RedisConfig.java Normal file
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@@ -0,0 +1,56 @@
package com.baeldung.spring.data.reactive.redis.config;
import com.baeldung.spring.data.reactive.redis.model.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.ReactiveKeyCommands;
import org.springframework.data.redis.connection.ReactiveRedisConnectionFactory;
import org.springframework.data.redis.connection.ReactiveStringCommands;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.ReactiveRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import javax.annotation.PreDestroy;
@Configuration
public class RedisConfig {
@Autowired
RedisConnectionFactory factory;
@Bean
public ReactiveRedisTemplate<String, Employee> reactiveRedisTemplate(ReactiveRedisConnectionFactory factory) {
Jackson2JsonRedisSerializer<Employee> serializer = new Jackson2JsonRedisSerializer<>(Employee.class);
RedisSerializationContext.RedisSerializationContextBuilder<String, Employee> builder = RedisSerializationContext.newSerializationContext(new StringRedisSerializer());
RedisSerializationContext<String, Employee> context = builder.value(serializer)
.build();
return new ReactiveRedisTemplate<>(factory, context);
}
@Bean
public ReactiveRedisTemplate<String, String> reactiveRedisTemplateString(ReactiveRedisConnectionFactory connectionFactory) {
return new ReactiveRedisTemplate<>(connectionFactory, RedisSerializationContext.string());
}
@Bean
public ReactiveKeyCommands keyCommands(final ReactiveRedisConnectionFactory reactiveRedisConnectionFactory) {
return reactiveRedisConnectionFactory.getReactiveConnection()
.keyCommands();
}
@Bean
public ReactiveStringCommands stringCommands(final ReactiveRedisConnectionFactory reactiveRedisConnectionFactory) {
return reactiveRedisConnectionFactory.getReactiveConnection()
.stringCommands();
}
@PreDestroy
public void cleanRedis() {
factory.getConnection()
.flushDb();
}
}

21
persistence-modules/spring-data-redis/src/main/java/com/baeldung/spring/data/reactive/redis/model/Employee.java Normal file
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@@ -0,0 +1,21 @@
package com.baeldung.spring.data.reactive.redis.model;
import java.io.Serializable;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@ToString
@AllArgsConstructor
@NoArgsConstructor
@EqualsAndHashCode
public class Employee implements Serializable {
private static final long serialVersionUID = 1603714798906422731L;
private String id;
private String name;
private String department;
}

8
persistence-modules/spring-data-redis/src/main/java/com/baeldung/spring/data/redis/config/RedisConfig.java
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@@ -1,6 +1,8 @@
package com.baeldung.spring.data.redis.config;
import org.springframework.beans.factory.annotation.Value;
import com.baeldung.spring.data.redis.queue.MessagePublisher;
import com.baeldung.spring.data.redis.queue.RedisMessagePublisher;
import com.baeldung.spring.data.redis.queue.RedisMessageSubscriber;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@@ -13,10 +15,6 @@ import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
import org.springframework.data.redis.repository.configuration.EnableRedisRepositories;
import org.springframework.data.redis.serializer.GenericToStringSerializer;
import com.baeldung.spring.data.redis.queue.MessagePublisher;
import com.baeldung.spring.data.redis.queue.RedisMessagePublisher;
import com.baeldung.spring.data.redis.queue.RedisMessageSubscriber;
@Configuration
@ComponentScan("com.baeldung.spring.data.redis")
@EnableRedisRepositories(basePackages = "com.baeldung.spring.data.redis.repo")

51
persistence-modules/spring-data-redis/src/test/java/com/baeldung/spring/data/reactive/redis/template/RedisKeyCommandsIntegrationTest.java Normal file
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@@ -0,0 +1,51 @@
package com.baeldung.spring.data.reactive.redis.template;
import com.baeldung.spring.data.reactive.redis.SpringRedisReactiveApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.redis.connection.ReactiveKeyCommands;
import org.springframework.data.redis.connection.ReactiveStringCommands;
import org.springframework.data.redis.connection.ReactiveStringCommands.SetCommand;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import java.nio.ByteBuffer;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisReactiveApplication.class)
public class RedisKeyCommandsIntegrationTest {
@Autowired
private ReactiveKeyCommands keyCommands;
@Autowired
private ReactiveStringCommands stringCommands;
@Test
public void givenFluxOfKeys_whenPerformOperations_thenPerformOperations() {
Flux<String> keys = Flux.just("key1", "key2", "key3", "key4");
Flux<SetCommand> generator = keys.map(String::getBytes)
.map(ByteBuffer::wrap)
.map(key -> SetCommand.set(key)
.value(key));
StepVerifier.create(stringCommands.set(generator))
.expectNextCount(4L)
.verifyComplete();
Mono<Long> keyCount = keyCommands.keys(ByteBuffer.wrap("key*".getBytes()))
.flatMapMany(Flux::fromIterable)
.count();
StepVerifier.create(keyCount)
.expectNext(4L)
.verifyComplete();
}
}

49
persistence-modules/spring-data-redis/src/test/java/com/baeldung/spring/data/reactive/redis/template/RedisTemplateListOpsIntegrationTest.java Normal file
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@@ -0,0 +1,49 @@
package com.baeldung.spring.data.reactive.redis.template;
import com.baeldung.spring.data.reactive.redis.SpringRedisReactiveApplication;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.redis.core.ReactiveListOperations;
import org.springframework.data.redis.core.ReactiveRedisTemplate;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisReactiveApplication.class)
public class RedisTemplateListOpsIntegrationTest {
private static final String LIST_NAME = "demo_list";
@Autowired
private ReactiveRedisTemplate<String, String> redisTemplate;
private ReactiveListOperations<String, String> reactiveListOps;
@Before
public void setup() {
reactiveListOps = redisTemplate.opsForList();
}
@Test
public void givenListAndValues_whenLeftPushAndLeftPop_thenLeftPushAndLeftPop() {
Mono<Long> lPush = reactiveListOps.leftPushAll(LIST_NAME, "first", "second")
.log("Pushed");
StepVerifier.create(lPush)
.expectNext(2L)
.verifyComplete();
Mono<String> lPop = reactiveListOps.leftPop(LIST_NAME)
.log("Popped");
StepVerifier.create(lPop)
.expectNext("second")
.verifyComplete();
}
}

71
persistence-modules/spring-data-redis/src/test/java/com/baeldung/spring/data/reactive/redis/template/RedisTemplateValueOpsIntegrationTest.java Normal file
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@@ -0,0 +1,71 @@
package com.baeldung.spring.data.reactive.redis.template;
import com.baeldung.spring.data.reactive.redis.SpringRedisReactiveApplication;
import com.baeldung.spring.data.reactive.redis.model.Employee;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.redis.core.ReactiveRedisTemplate;
import org.springframework.data.redis.core.ReactiveValueOperations;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import java.time.Duration;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisReactiveApplication.class)
public class RedisTemplateValueOpsIntegrationTest {
@Autowired
private ReactiveRedisTemplate<String, Employee> redisTemplate;
private ReactiveValueOperations<String, Employee> reactiveValueOps;
@Before
public void setup() {
reactiveValueOps = redisTemplate.opsForValue();
}
@Test
public void givenEmployee_whenSet_thenSet() {
Mono<Boolean> result = reactiveValueOps.set("123", new Employee("123", "Bill", "Accounts"));
StepVerifier.create(result)
.expectNext(true)
.verifyComplete();
}
@Test
public void givenEmployeeId_whenGet_thenReturnsEmployee() {
Mono<Employee> fetchedEmployee = reactiveValueOps.get("123");
StepVerifier.create(fetchedEmployee)
.expectNext(new Employee("123", "Bill", "Accounts"))
.verifyComplete();
}
@Test
public void givenEmployee_whenSetWithExpiry_thenSetsWithExpiryTime() throws InterruptedException {
Mono<Boolean> result = reactiveValueOps.set("129", new Employee("129", "John", "Programming"), Duration.ofSeconds(1));
Mono<Employee> fetchedEmployee = reactiveValueOps.get("129");
StepVerifier.create(result)
.expectNext(true)
.verifyComplete();
Thread.sleep(2000L);
StepVerifier.create(fetchedEmployee)
.expectNextCount(0L)
.verifyComplete();
}
}

2
persistence-modules/spring-data-redis/src/test/java/com/baeldung/spring/data/redis/RedisMessageListenerIntegrationTest.java
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@@ -31,7 +31,7 @@ public class RedisMessageListenerIntegrationTest {
@BeforeClass
public static void startRedisServer() throws IOException {
redisServer = new redis.embedded.RedisServer(6379);
redisServer = new redis.embedded.RedisServer(6380);
redisServer.start();
}

2
persistence-modules/spring-data-redis/src/test/java/com/baeldung/spring/data/redis/repo/StudentRepositoryIntegrationTest.java
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@@ -32,7 +32,7 @@ public class StudentRepositoryIntegrationTest {
@BeforeClass
public static void startRedisServer() throws IOException {
redisServer = new redis.embedded.RedisServer(6379);
redisServer = new redis.embedded.RedisServer(6380);
redisServer.start();
}