From 79774a045318ff6c837f18c9714232925becddb2 Mon Sep 17 00:00:00 2001
From: Steve Ebersole <steve@hibernate.org>
Date: Wed, 8 Feb 2012 07:36:21 -0600
Subject: [PATCH] HHH-7030 - EventListenerRegistry interface generic
 declaration is not extensible to subclasses

---
 .../event/service/internal/EventListenerRegistryImpl.java | 8 ++++----
 .../event/service/spi/EventListenerRegistry.java          | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/event/service/internal/EventListenerRegistryImpl.java b/hibernate-core/src/main/java/org/hibernate/event/service/internal/EventListenerRegistryImpl.java
index 6735e28e78..c5dfc19dcd 100644
--- a/hibernate-core/src/main/java/org/hibernate/event/service/internal/EventListenerRegistryImpl.java
+++ b/hibernate-core/src/main/java/org/hibernate/event/service/internal/EventListenerRegistryImpl.java
@@ -115,12 +115,12 @@ public class EventListenerRegistryImpl implements EventListenerRegistry {
 	}
 
 	@Override
-	public <T> void setListeners(EventType<T> type, Class<T>... listenerClasses) {
+	public <T> void setListeners(EventType<T> type, Class<? extends T>... listenerClasses) {
 		setListeners( type, resolveListenerInstances( type, listenerClasses ) );
 	}
 
 	@SuppressWarnings( {"unchecked"})
-	private <T> T[] resolveListenerInstances(EventType<T> type, Class<T>... listenerClasses) {
+	private <T> T[] resolveListenerInstances(EventType<T> type, Class<? extends T>... listenerClasses) {
 		T[] listeners = (T[]) Array.newInstance( type.baseListenerInterface(), listenerClasses.length );
 		for ( int i = 0; i < listenerClasses.length; i++ ) {
 			listeners[i] = resolveListenerInstance( listenerClasses[i] );
@@ -162,7 +162,7 @@ public class EventListenerRegistryImpl implements EventListenerRegistry {
 	}
 
 	@Override
-	public <T> void appendListeners(EventType<T> type, Class<T>... listenerClasses) {
+	public <T> void appendListeners(EventType<T> type, Class<? extends T>... listenerClasses) {
 		appendListeners( type, resolveListenerInstances( type, listenerClasses ) );
 	}
 
@@ -172,7 +172,7 @@ public class EventListenerRegistryImpl implements EventListenerRegistry {
 	}
 
 	@Override
-	public <T> void prependListeners(EventType<T> type, Class<T>... listenerClasses) {
+	public <T> void prependListeners(EventType<T> type, Class<? extends T>... listenerClasses) {
 		prependListeners( type, resolveListenerInstances( type, listenerClasses ) );
 	}
 
diff --git a/hibernate-core/src/main/java/org/hibernate/event/service/spi/EventListenerRegistry.java b/hibernate-core/src/main/java/org/hibernate/event/service/spi/EventListenerRegistry.java
index 29244d83b9..565a665fd8 100644
--- a/hibernate-core/src/main/java/org/hibernate/event/service/spi/EventListenerRegistry.java
+++ b/hibernate-core/src/main/java/org/hibernate/event/service/spi/EventListenerRegistry.java
@@ -39,12 +39,12 @@ public interface EventListenerRegistry extends Service, Serializable {
 
 	public void addDuplicationStrategy(DuplicationStrategy strategy);
 
-	public <T> void setListeners(EventType<T> type, Class<T>... listeners);
+	public <T> void setListeners(EventType<T> type, Class<? extends T>... listeners);
 	public <T> void setListeners(EventType<T> type, T... listeners);
 
-	public <T> void appendListeners(EventType<T> type, Class<T>... listeners);
+	public <T> void appendListeners(EventType<T> type, Class<? extends T>... listeners);
 	public <T> void appendListeners(EventType<T> type, T... listeners);
 
-	public <T> void prependListeners(EventType<T> type, Class<T>... listeners);
+	public <T> void prependListeners(EventType<T> type, Class<? extends T>... listeners);
 	public <T> void prependListeners(EventType<T> type, T... listeners);
 }