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/***************************************************************************
* Copyright (c) 2004, 2005, 2006 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.signal;
import org.eclipse.net4j.transport.Buffer;
import org.eclipse.net4j.transport.Channel;
import org.eclipse.internal.net4j.transport.AbstractProtocol;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
/**
* @author Eike Stepper
*/
public abstract class SignalProtocol extends AbstractProtocol
{
private int nextCorrelationID;
private Queue<Request> requestQueue = new ConcurrentLinkedQueue();
public SignalProtocol(Channel channel)
{
super(channel);
}
public void handleBuffer(Buffer buffer)
{
// TODO Implement method SignalProtocol
}
@Override
public String toString()
{
return "SignalProtocol[" + getProtocolID() + ", " + getChannel() + "]";
}
protected abstract Indication createIndication(short signalID);
Object sendRequest(Request request)
{
// TODO Implement method SignalProtocol
return null;
}
int getNextCorrelationID()
{
int correlationID = nextCorrelationID;
if (nextCorrelationID == Integer.MAX_VALUE)
{
System.out.println(toString() + ": Correlation wrap around");
nextCorrelationID = 0;
}
else
{
++nextCorrelationID;
}
return correlationID;
}
}
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