[maven-release-plugin] prepare release record-builder-1.3.ea

README.md

@@ -84,6 +84,18 @@ public class NameAndAgeBuilder {
     public String toString() {
         return "NameAndAgeBuilder[name=" + name + ", age=" + age + "]";
     }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, age);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return (this == o) || ((o instanceof NameAndAgeBuilder b)
+                && Objects.equals(name, b.name)
+                && (age == b.age));
+    }
 }
 ```
 

pom.xml

@@ -5,7 +5,7 @@
     <groupId>io.soabase.record-builder</groupId>
     <artifactId>record-builder</artifactId>
     <packaging>pom</packaging>
-    <version>1.2.ea</version>
+    <version>1.3.ea</version>
 
     <modules>
         <module>record-builder-core</module>
@@ -70,7 +70,7 @@
         <url>https://github.com/randgalt/record-builder</url>
         <connection>scm:git:https://github.com/randgalt/record-builder.git</connection>
         <developerConnection>scm:git:git@github.com:randgalt/record-builder.git</developerConnection>
-        <tag>record-builder-1.2.ea</tag>
+        <tag>record-builder-1.3.ea</tag>
     </scm>
 
     <issueManagement>

record-builder-core/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <groupId>io.soabase.record-builder</groupId>
         <artifactId>record-builder</artifactId>
-        <version>1.2.ea</version>
+        <version>1.3.ea</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

record-builder-processor/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <groupId>io.soabase.record-builder</groupId>
         <artifactId>record-builder</artifactId>
-        <version>1.2.ea</version>
+        <version>1.3.ea</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

record-builder-processor/src/main/java/io/soabase/recordbuilder/processor/RecordBuilderProcessor.java

@@ -29,6 +29,7 @@ import javax.tools.JavaFileObject;
 import java.io.IOException;
 import java.io.Writer;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
@@ -68,6 +69,8 @@ public class RecordBuilderProcessor extends AbstractProcessor {
         addStaticCopyMethod(builder, builderClassType, recordClassType, recordComponents, typeVariables, metaData);
         addBuildMethod(builder, recordClassType, recordComponents, metaData);
         addToStringMethod(builder, builderClassType, recordComponents);
+        addHashCodeMethod(builder, recordComponents);
+        addEqualsMethod(builder, builderClassType, recordComponents);
         recordComponents.forEach(component -> {
             add1Field(builder, component);
             add1SetterMethod(builder, component, builderClassType);
@@ -124,6 +127,7 @@ public class RecordBuilderProcessor extends AbstractProcessor {
         /*
             add a toString() method similar to:
 
+            @Override
             public String toString() {
                 return "MyRecord[p1=blah, p2=blah]";
             }
@@ -147,6 +151,68 @@ public class RecordBuilderProcessor extends AbstractProcessor {
         builder.addMethod(methodSpec);
     }
 
+    private void addHashCodeMethod(TypeSpec.Builder builder, List<ClassType> recordComponents) {
+        /*
+            add an hashCode() method similar to:
+
+            @Override
+            public int hashCode() {
+                return Objects.hash(p1, p2);
+            }
+         */
+        var codeBuilder = CodeBlock.builder().add("return $T.hash(", Objects.class);
+        IntStream.range(0, recordComponents.size()).forEach(index -> {
+            if (index > 0) {
+                codeBuilder.add(", ");
+            }
+            codeBuilder.add("$L", recordComponents.get(index).name());
+        });
+        codeBuilder.add(")");
+
+        var methodSpec = MethodSpec.methodBuilder("hashCode")
+                .addModifiers(Modifier.PUBLIC)
+                .addAnnotation(Override.class)
+                .returns(TypeName.INT)
+                .addStatement(codeBuilder.build())
+                .build();
+        builder.addMethod(methodSpec);
+    }
+
+    private void addEqualsMethod(TypeSpec.Builder builder, ClassType builderClassType, List<ClassType> recordComponents) {
+        /*
+            add an equals() method similar to:
+
+            @Override
+            public boolean equals(Object o) {
+                if (this == o) return true;
+                return (o instanceof MyRecordBuilder b)
+                    && Objects.equals(p1, b.p1)
+                    && Objects.equals(p2, b.p2);
+            }
+         */
+        var codeBuilder = CodeBlock.builder();
+        codeBuilder.add("return (this == o) || (");
+        codeBuilder.add("(o instanceof $L b)", builderClassType.name());
+        recordComponents.forEach(recordComponent -> {
+            String name = recordComponent.name();
+            if (recordComponent.typeName().isPrimitive()) {
+                codeBuilder.add("\n&& ($L == b.$L)", name, name);
+            } else {
+                codeBuilder.add("\n&& $T.equals($L, b.$L)", Objects.class, name, name);
+            }
+        });
+        codeBuilder.add(")");
+
+        var methodSpec = MethodSpec.methodBuilder("equals")
+                .addParameter(Object.class, "o")
+                .addModifiers(Modifier.PUBLIC)
+                .addAnnotation(Override.class)
+                .returns(TypeName.BOOLEAN)
+                .addStatement(codeBuilder.build())
+                .build();
+        builder.addMethod(methodSpec);
+    }
+
     private void addBuildMethod(TypeSpec.Builder builder, ClassType recordClassType, List<ClassType> recordComponents, RecordBuilderMetaData metaData) {
         /*
             Adds the build method that generates the record similar to:

record-builder-test/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <groupId>io.soabase.record-builder</groupId>
         <artifactId>record-builder</artifactId>
-        <version>1.2.ea</version>
+        <version>1.3.ea</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>