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/***************************************************************************
* Copyright (c) 2004 - 2007 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.internal.util.registry;
import org.eclipse.net4j.util.container.IContainerEventVisitor;
import org.eclipse.net4j.util.event.IEvent;
import org.eclipse.net4j.util.event.IListener;
import org.eclipse.net4j.util.registry.IRegistry;
import org.eclipse.net4j.util.registry.IRegistryEvent;
import java.util.Map;
/**
* @author Eike Stepper
*/
public class RegistryEventAdapter<K, V> implements IListener
{
public final void notifyEvent(IEvent event)
{
if (event instanceof IRegistryEvent)
{
IRegistryEvent e = (IRegistryEvent)event;
notifyRegistryEvent(e);
}
else
{
notifyOtherEvent(event);
}
}
protected void notifyRegistryEvent(IRegistryEvent<K, V> event)
{
final IRegistry<K, V> registry = event.getRegistry();
event.accept(new IContainerEventVisitor<Map.Entry<K, V>>()
{
public void added(Map.Entry<K, V> entry)
{
onAdded(registry, entry.getKey(), entry.getValue());
}
public void removed(Map.Entry<K, V> entry)
{
onRemoved(registry, entry.getKey(), entry.getValue());
}
});
}
protected void notifyOtherEvent(IEvent event)
{
}
protected void onAdded(IRegistry<K, V> registry, K key, V value)
{
}
protected void onRemoved(IRegistry<K, V> registry, K key, V value)
{
}
}
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