Add the hexagonal module: Hexagonal Architecture (Ports and Adapters) in Spring Boot 4

2026-10-03 20:28:16 +00:00
parent ae681f85c4
commit fd6d0fa1e7
33 changed files with 1297 additions and 2 deletions
@@ -0,0 +1,57 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0">
+  <modelVersion>4.0.0</modelVersion>
+
+  <!-- This article's one exception to the rest of this repo: a small reactor of its own, not
+       a single self-contained project. The module boundary below is what makes "the core has
+       no Spring dependency" a thing Maven enforces, not a naming convention a reviewer has to
+       remember to check. -->
+  <groupId>com.ankurm</groupId>
+  <artifactId>hexagonal-parent</artifactId>
+  <version>1.0</version>
+  <packaging>pom</packaging>
+
+  <modules>
+    <module>core</module>
+    <module>persistence-adapter</module>
+    <module>web-adapter</module>
+    <module>app</module>
+  </modules>
+
+  <properties>
+    <maven.compiler.source>25</maven.compiler.source>
+    <maven.compiler.target>25</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <spring-boot.version>4.1.1</spring-boot.version>
+  </properties>
+
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-dependencies</artifactId>
+        <version>${spring-boot.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
+  <!-- spring-boot-starter-parent normally sets -parameters on the compiler for you; this
+       reactor doesn't inherit from it (see the note above), so it has to be set explicitly.
+       Without it, @RequestParam long amountCents with no explicit name fails at request time,
+       not at compile time: see web-adapter's test output for the exact exception this throws
+       when it's missing. -->
+  <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <configuration>
+            <parameters>true</parameters>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+</project>