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/*
* VS is (c) 2008 by Paul C. Buetow
* vs@dev.buetow.org
*/
package events.internal;
import core.VSMessage;
import events.VSAbstractEvent;
import protocols.VSAbstractProtocol;
/**
* The Class VSMessageReceiveEvent. This event is used if a process receives
* a message.
*
* @author Paul C. Buetow
*/
public class VSMessageReceiveEvent extends VSAbstractEvent {
/** The serioal version uid */
private static final long serialVersionUID = 1L;
/** The message. */
private VSMessage message;
/**
* Instantiates a new message receive event.
*
* @param message the message
*/
public VSMessageReceiveEvent(VSMessage message) {
this.message = message;
}
/* (non-Javadoc)
* @see events.VSAbstractEvent#onInit()
*/
public void onInit() {
setClassname(getClass().toString());
}
/* (non-Javadoc)
* @see events.VSAbstractEvent#onStart()
*/
public boolean onStart() {
boolean returnValue = true;
boolean onlyRelevantMessages = process.getPrefs().getBoolean(
"sim.messages.relevant");
String eventName = message.getName();
String protocolClassname = message.getProtocolClassname();
Object protocolObj = null;
if (process.objectExists(protocolClassname))
protocolObj = process.getObject(protocolClassname);
if (onlyRelevantMessages) {
if (protocolObj == null)
return false;
if (!((VSAbstractProtocol) protocolObj).isRelevantMessage(message))
return false;
}
process.updateLamportTime(message.getLamportTime()+1);
process.updateVectorTime(message.getVectorTime());
StringBuffer buffer = new StringBuffer();
buffer.append(prefs.getString("lang.message.recv"));
buffer.append("; ");
buffer.append(message);;
logg(buffer.toString());
if (protocolObj != null)
((VSAbstractProtocol) protocolObj).onMessageRecvStart(message);
return true;
}
}
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