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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* 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.internal.net4j.buffer;
import org.eclipse.net4j.buffer.IBuffer;
import org.eclipse.net4j.buffer.IBufferProvider;
import org.eclipse.net4j.util.lifecycle.Lifecycle;
/**
* @author Eike Stepper
*/
public abstract class BufferProvider extends Lifecycle implements IBufferProvider.Introspection
{
private short bufferCapacity;
private long providedBuffers;
private long retainedBuffers;
public BufferProvider(short bufferCapacity)
{
this.bufferCapacity = bufferCapacity;
}
public final long getProvidedBuffers()
{
return providedBuffers;
}
public final long getRetainedBuffers()
{
return retainedBuffers;
}
public final short getBufferCapacity()
{
return bufferCapacity;
}
public final IBuffer provideBuffer()
{
++providedBuffers;
return doProvideBuffer();
}
public final void retainBuffer(IBuffer buffer)
{
++retainedBuffers;
doRetainBuffer(buffer);
}
@Override
public String toString()
{
return "BufferProvider[capacity=" + bufferCapacity + "]"; //$NON-NLS-1$ //$NON-NLS-2$
}
protected abstract IBuffer doProvideBuffer();
protected abstract void doRetainBuffer(IBuffer buffer);
}
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