add missing @Override annotations

Signed-off-by: Gavin King <gavin@hibernate.org>

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultAutoFlushEventListener.java

@@ -36,6 +36,7 @@ public class DefaultAutoFlushEventListener extends AbstractFlushingEventListener
 	 * 
 	 * @param event The auto-flush event to be handled.
 	 */
+	@Override
 	public void onAutoFlush(AutoFlushEvent event) throws HibernateException {
 		final EventSource source = event.getSession();
 		final SessionEventListenerManager eventListenerManager = source.getEventListenerManager();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultDirtyCheckEventListener.java

@@ -28,6 +28,7 @@ public class DefaultDirtyCheckEventListener extends AbstractFlushingEventListene
 	 * 
 	 * @param event The dirty-check event to be handled.
 	 */
+	@Override
 	public void onDirtyCheck(DirtyCheckEvent event) throws HibernateException {
 		final ActionQueue actionQueue = event.getSession().getActionQueue();
 		int oldSize = actionQueue.numberOfCollectionRemovals();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultEvictEventListener.java

@@ -41,6 +41,7 @@ public class DefaultEvictEventListener implements EvictEventListener {
 	 * @param event The evict event to be handled.
 	 *
 	 */
+	@Override
 	public void onEvict(EvictEvent event) throws HibernateException {
 		final EventSource source = event.getSession();
 		final PersistenceContext persistenceContext = source.getPersistenceContextInternal();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultInitializeCollectionEventListener.java

@@ -35,6 +35,7 @@ public class DefaultInitializeCollectionEventListener implements InitializeColle
 	/**
 	 * called by a collection that wants to initialize itself
 	 */
+	@Override
 	public void onInitializeCollection(InitializeCollectionEvent event) throws HibernateException {
 		final PersistentCollection<?> collection = event.getCollection();
 		final SessionImplementor source = event.getSession();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLoadEventListener.java

@@ -59,6 +59,7 @@ public class DefaultLoadEventListener implements LoadEventListener {
 	 *
 	 * @param event The load event to be handled.
 	 */
+	@Override
 	public void onLoad(LoadEvent event, LoadType loadType) throws HibernateException {
 		final EntityPersister persister = getPersister( event );
 		if ( persister == null ) {

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLockEventListener.java

@@ -42,6 +42,7 @@ public class DefaultLockEventListener extends AbstractLockUpgradeEventListener i
 	 *
 	 * @param event The lock event to be handled.
 	 */
+	@Override
 	public void onLock(LockEvent event) throws HibernateException {
 
 		if ( event.getObject() == null ) {

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultMergeEventListener.java

@@ -78,6 +78,7 @@ public class DefaultMergeEventListener
 	 * @param event The merge event to be handled.
 	 *
 	 */
+	@Override
 	public void onMerge(MergeEvent event) throws HibernateException {
 		final EventSource session = event.getSession();
 		final EntityCopyObserver entityCopyObserver = createEntityCopyObserver( session );
@@ -102,6 +103,7 @@ public class DefaultMergeEventListener
 	 * @param event The merge event to be handled.
 	 *
 	 */
+	@Override
 	public void onMerge(MergeEvent event, MergeContext copiedAlready) throws HibernateException {
 		final Object original = event.getOriginal();
 		// NOTE : `original` is the value being merged

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultPersistEventListener.java

@@ -50,6 +50,7 @@ public class DefaultPersistEventListener
 	 * @param event The create event to be handled.
 	 *
 	 */
+	@Override
 	public void onPersist(PersistEvent event) throws HibernateException {
 		onPersist( event, PersistContext.create() );
 	}
@@ -60,6 +61,7 @@ public class DefaultPersistEventListener
 	 * @param event The create event to be handled.
 	 *
 	 */
+	@Override
 	public void onPersist(PersistEvent event, PersistContext createCache) throws HibernateException {
 		final Object object = event.getObject();
 		final LazyInitializer lazyInitializer = HibernateProxy.extractLazyInitializer( object );

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultPreLoadEventListener.java

@@ -17,7 +17,8 @@ import org.hibernate.persister.entity.EntityPersister;
  * @author Gavin King
  */
 public class DefaultPreLoadEventListener implements PreLoadEventListener {
-	
+
+	@Override
 	public void onPreLoad(PreLoadEvent event) {
 		final EntityPersister persister = event.getPersister();
 		event.getSession().getInterceptor().onLoad(

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultRefreshEventListener.java

@@ -50,6 +50,7 @@ import static org.hibernate.pretty.MessageHelper.infoString;
 public class DefaultRefreshEventListener implements RefreshEventListener {
 	private static final CoreMessageLogger LOG = CoreLogging.messageLogger( DefaultRefreshEventListener.class );
 
+	@Override
 	public void onRefresh(RefreshEvent event) throws HibernateException {
 		onRefresh( event, RefreshContext.create() );
 	}
@@ -59,6 +60,7 @@ public class DefaultRefreshEventListener implements RefreshEventListener {
 	 *
 	 * @param event The refresh event to be handled.
 	 */
+	@Override
 	public void onRefresh(RefreshEvent event, RefreshContext refreshedAlready) {
 		final EventSource source = event.getSession();
 		final PersistenceContext persistenceContext = source.getPersistenceContextInternal();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultReplicateEventListener.java

@@ -49,6 +49,7 @@ public class DefaultReplicateEventListener
 	 *
 	 * @throws TransientObjectException An invalid attempt to replicate a transient entity.
 	 */
+	@Override
 	public void onReplicate(ReplicateEvent event) {
 		final EventSource source = event.getSession();
 		final PersistenceContext persistenceContext = source.getPersistenceContextInternal();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultSaveEventListener.java

@@ -23,6 +23,7 @@ import org.hibernate.event.spi.SaveOrUpdateEvent;
 @Deprecated(since="6")
 public class DefaultSaveEventListener extends DefaultSaveOrUpdateEventListener {
 
+	@Override
 	protected Object performSaveOrUpdate(SaveOrUpdateEvent event) {
 		// this implementation is supposed to tolerate incorrect unsaved-value
 		// mappings, for the purpose of backward-compatibility
@@ -32,6 +33,7 @@ public class DefaultSaveEventListener extends DefaultSaveOrUpdateEventListener {
 				: entityIsTransient( event );
 	}
 
+	@Override
 	protected boolean reassociateIfUninitializedProxy(Object object, SessionImplementor source) {
 		if ( !Hibernate.isInitialized( object ) ) {
 			throw new PersistentObjectException("uninitialized proxy passed to save()");

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultSaveOrUpdateEventListener.java

@@ -53,6 +53,7 @@ public class DefaultSaveOrUpdateEventListener
 	 *
 	 * @param event The update event to be handled.
 	 */
+	@Override
 	public void onSaveOrUpdate(SaveOrUpdateEvent event) {
 		final Object object = event.getObject();
 		final Object requestedId = event.getRequestedId();

hibernate-core/src/main/java/org/hibernate/event/internal/DefaultUpdateEventListener.java

@@ -24,6 +24,7 @@ import org.hibernate.persister.entity.EntityPersister;
 @Deprecated(since="6")
 public class DefaultUpdateEventListener extends DefaultSaveOrUpdateEventListener {
 
+	@Override
 	protected Object performSaveOrUpdate(SaveOrUpdateEvent event) {
 		// this implementation is supposed to tolerate incorrect unsaved-value
 		// mappings, for the purpose of backward-compatibility
@@ -46,6 +47,7 @@ public class DefaultUpdateEventListener extends DefaultSaveOrUpdateEventListener
 	 * If the user specified an id, assign it to the instance and use that, 
 	 * otherwise use the id already assigned to the instance
 	 */
+	@Override
 	protected Object getUpdateId(Object entity, EntityPersister persister, Object requestedId, SessionImplementor session)
 			throws HibernateException {
 		if ( requestedId == null ) {