HHH-19232 Also listen to collection update events for bean validation

Author: mbladel

hibernate-core/src/main/java/org/hibernate/boot/beanvalidation/BeanValidationEventListener.java

@@ -14,6 +14,8 @@
 import org.hibernate.boot.internal.ClassLoaderAccessImpl;
 import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
+import org.hibernate.event.spi.PreCollectionUpdateEvent;
+import org.hibernate.event.spi.PreCollectionUpdateEventListener;
 import org.hibernate.event.spi.PreDeleteEvent;
 import org.hibernate.event.spi.PreDeleteEventListener;
 import org.hibernate.event.spi.PreInsertEvent;
@@ -36,6 +38,8 @@
 import jakarta.validation.Validator;
 import jakarta.validation.ValidatorFactory;
 
+import static org.hibernate.internal.util.NullnessUtil.castNonNull;
+
 /**
  * Event listener used to enable Bean Validation for insert/update/delete events.
  *
@@ -44,7 +48,7 @@
  */
 //FIXME review exception model
 public class BeanValidationEventListener
-		implements PreInsertEventListener, PreUpdateEventListener, PreDeleteEventListener, PreUpsertEventListener {
+		implements PreInsertEventListener, PreUpdateEventListener, PreDeleteEventListener, PreUpsertEventListener, PreCollectionUpdateEventListener {
 
 	private static final CoreMessageLogger LOG = Logger.getMessageLogger(
 			CoreMessageLogger.class,
@@ -121,6 +125,17 @@ public boolean onPreUpsert(PreUpsertEvent event) {
 		return false;
 	}
 
+	@Override
+	public void onPreUpdateCollection(PreCollectionUpdateEvent event) {
+		final Object entity = castNonNull( event.getCollection().getOwner() );
+		validate(
+				entity,
+				event.getSession().getEntityPersister( event.getAffectedOwnerEntityName(), entity ),
+				event.getFactory(),
+				GroupsPerOperation.Operation.UPDATE
+		);
+	}
+
 	private <T> void validate(
 			T object,
 			EntityPersister persister,

hibernate-core/src/main/java/org/hibernate/boot/beanvalidation/TypeSafeActivator.java

@@ -126,6 +126,7 @@ public static void applyCallbackListeners(ValidatorFactory validatorFactory, Act
 		listenerRegistry.appendListeners( EventType.PRE_UPDATE, listener );
 		listenerRegistry.appendListeners( EventType.PRE_DELETE, listener );
 		listenerRegistry.appendListeners( EventType.PRE_UPSERT, listener );
+		listenerRegistry.appendListeners( EventType.PRE_COLLECTION_UPDATE, listener );
 
 		listener.initialize( cfgService.getSettings(), classLoaderService );
 	}