HHH-19820: Make sure that the enhancer is not doing anything if all the enablement parameters are false

Signed-off-by: Koen Aers <[email protected]>

Author: koentsje

tooling/hibernate-maven-plugin/src/main/java/org/hibernate/orm/tooling/maven/HibernateEnhancerMojo.java

@@ -92,13 +92,23 @@ public class HibernateEnhancerMojo extends AbstractMojo {
 	public void execute() {
 		getLog().debug(STARTING_EXECUTION_OF_ENHANCE_MOJO);
 		processParameters();
-		assembleSourceSet();
-		createEnhancer();
-		discoverTypes();
-		performEnhancement();
+		if (enhancementIsNeeded()) {
+			assembleSourceSet();
+			createEnhancer();
+			discoverTypes();
+			performEnhancement();
+		}
 		getLog().debug(ENDING_EXECUTION_OF_ENHANCE_MOJO);
 	}
 
+	private boolean enhancementIsNeeded() {
+		// enhancement is not needed when all the parameters are false
+		return enableAssociationManagement ||
+			enableDirtyTracking ||
+			enableLazyInitialization ||
+			enableExtendedEnhancement;
+	}
+
 	private void processParameters() {
 		if (!enableLazyInitialization) {
 			getLog().warn(ENABLE_LAZY_INITIALIZATION_DEPRECATED);

tooling/hibernate-maven-plugin/src/test/java/org/hibernate/orm/tooling/maven/HibernateEnhancerMojoTest.java

@@ -519,6 +519,9 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
 
 	@Test
 	void testExecute() throws Exception {
+		Field enableDirtyTrackingField = HibernateEnhancerMojo.class.getDeclaredField( "enableDirtyTracking" );
+		enableDirtyTrackingField.setAccessible( true );
+		enableDirtyTrackingField.set( enhanceMojo, true );
 		Method executeMethod = HibernateEnhancerMojo.class.getDeclaredMethod("execute", new Class[] {});
 		executeMethod.setAccessible(true);
 		final String barSource =