Initial Commit - Ports and Adapters

spring-boot-modules/pom.xml

@@ -73,6 +73,7 @@
         <module>spring-boot-actuator</module>
         <module>spring-boot-data-2</module>
         <module>spring-boot-react</module>
+        <module>hex-architecture</module>
     </modules>
 
     <dependencyManagement>

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/pom.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.5.0</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.baeldung</groupId>
+	<artifactId>hex-architecture</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>hex-architecture</name>
+	<description>Product store for Spring Boot</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/java/com/baeldung/hexarchitecture/productstore/HexagonalApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.hexarchitecture.productstore;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class HexagonalApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(HexagonalApplication.class, args);
+	}
+
+}

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/java/com/baeldung/hexarchitecture/productstore/adapters/persistence/ProductServiceAdapter.java

@@ -0,0 +1,27 @@
+package com.baeldung.hexarchitecture.productstore.adapters.persistence;
+
+import com.baeldung.hexarchitecture.productstore.domain.model.Product;
+import com.baeldung.hexarchitecture.productstore.ports.ProductDatabasePort;
+import org.springframework.stereotype.Service;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+@Service
+public class ProductServiceAdapter implements ProductDatabasePort {
+
+    private Map<String, Product> productDataBase = new HashMap<>();
+
+    @Override
+    public void addProduct(Product product) {
+        String id = UUID.randomUUID().toString();
+        product.setId(id);
+        productDataBase.put(id, product);
+    }
+
+    @Override
+    public Product getProduct(String id) {
+        return productDataBase.get(id);
+    }
+}

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/java/com/baeldung/hexarchitecture/productstore/adapters/rest/controller/ProductControllerAdapter.java

@@ -0,0 +1,28 @@
+package com.baeldung.hexarchitecture.productstore.adapters.rest.controller;
+
+import com.baeldung.hexarchitecture.productstore.adapters.persistence.ProductServiceAdapter;
+import com.baeldung.hexarchitecture.productstore.domain.model.Product;
+import com.baeldung.hexarchitecture.productstore.ports.ProductUserInterfacePort;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/product/")
+public class ProductControllerAdapter implements ProductUserInterfacePort {
+
+    @Autowired
+    private ProductServiceAdapter productServiceAdapter;
+
+    @Override
+    public void addProduct(@RequestBody Product product) {
+        productServiceAdapter.addProduct(product);
+    }
+
+    @Override
+    public Product getProduct(@PathVariable String id) {
+        return productServiceAdapter.getProduct(id);
+    }
+}

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/java/com/baeldung/hexarchitecture/productstore/domain/model/Product.java

@@ -0,0 +1,16 @@
+package com.baeldung.hexarchitecture.productstore.domain.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Setter
+public class Product {
+
+    String id;
+    String name;
+    String description;
+}

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/java/com/baeldung/hexarchitecture/productstore/ports/ProductDatabasePort.java

@@ -0,0 +1,10 @@
+package com.baeldung.hexarchitecture.productstore.ports;
+
+import com.baeldung.hexarchitecture.productstore.domain.model.Product;
+
+public interface ProductDatabasePort {
+
+    void addProduct(Product product);
+
+    Product getProduct(String id);
+}

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/java/com/baeldung/hexarchitecture/productstore/ports/ProductUserInterfacePort.java

@@ -0,0 +1,16 @@
+package com.baeldung.hexarchitecture.productstore.ports;
+
+import com.baeldung.hexarchitecture.productstore.domain.model.Product;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+
+public interface ProductUserInterfacePort {
+
+    @PostMapping
+    void addProduct(@RequestBody Product product);
+
+    @GetMapping("{id}")
+    Product getProduct(@PathVariable String id);
+}

spring-boot-modules/spring-boot-hexarchitecture/hex-architecture/src/main/resources/application.properties

@@ -0,0 +1 @@
+spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration, org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration