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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.container.delegate;
import org.eclipse.net4j.internal.util.container.ContainerEvent;
import org.eclipse.net4j.util.container.IContainerDelta;
import org.eclipse.net4j.util.container.delegate.IContainerBlockingQueue;
import java.util.Collection;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
/**
* @author Eike Stepper
*/
public class ContainerBlockingQueue<E> extends ContainerQueue<E> implements IContainerBlockingQueue<E>
{
public ContainerBlockingQueue(BlockingQueue<E> delegate)
{
super(delegate);
}
@Override
public BlockingQueue<E> getDelegate()
{
return (BlockingQueue<E>)super.getDelegate();
}
/**
* @category WRITE
*/
public int drainTo(Collection<? super E> c)
{
int drainTo = getDelegate().drainTo(c);
ContainerEvent event = createEvent(c, IContainerDelta.Kind.REMOVED);
fireEvent(event);
return drainTo;
}
/**
* @category WRITE
*/
public int drainTo(Collection<? super E> c, int maxElements)
{
int drainTo = getDelegate().drainTo(c, maxElements);
ContainerEvent event = createEvent(c, IContainerDelta.Kind.REMOVED);
fireEvent(event);
return drainTo;
}
/**
* @category WRITE
*/
public boolean offer(E o, long timeout, TimeUnit unit) throws InterruptedException
{
boolean modified = getDelegate().offer(o, timeout, unit);
if (modified)
{
fireAddedEvent(o);
}
return modified;
}
/**
* @category WRITE
*/
public E poll(long timeout, TimeUnit unit) throws InterruptedException
{
E removed = getDelegate().poll(timeout, unit);
if (removed != null)
{
fireRemovedEvent(removed);
}
return removed;
}
/**
* @category WRITE
*/
public void put(E o) throws InterruptedException
{
getDelegate().put(o);
fireAddedEvent(o);
}
/**
* @category READ
*/
public int remainingCapacity()
{
return getDelegate().remainingCapacity();
}
/**
* @category WRITE
*/
public E take() throws InterruptedException
{
E element = getDelegate().take();
fireRemovedEvent(element);
return element;
}
}
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