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/*
* Copyright (c) 2008 Paul C. Buetow, vs@dev.buetow.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* All icons of the icons/ folder are under a Creative Commons
* Attribution-Noncommercial-Share Alike License a CC-by-nc-sa.
*
* The icon's homepage is http://code.google.com/p/ultimate-gnome/
*/
package events.internal;
import java.io.*;
import core.VSMessage;
import protocols.VSAbstractProtocol;
import serialize.VSNotSerializable;
/**
* The class VSMessageReceiveEvent, this event is used if a process receives
* a message.
*
* @author Paul C. Buetow
*/
public class VSMessageReceiveEvent extends VSAbstractInternalEvent
implements VSNotSerializable {
/** 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 void onStart() {
boolean onlyRelevantMessages = process.getPrefs().getBoolean(
"sim.messages.relevant");
String eventName = message.getName();
String protocolClassname = message.getProtocolClassname();
if (onlyRelevantMessages && !isRelevantMessage())
return;
Object protocolObj = null;
if (process.objectExists(protocolClassname))
protocolObj = process.getObject(protocolClassname);
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);;
log(buffer.toString());
if (protocolObj != null)
((VSAbstractProtocol) protocolObj).onMessageRecvStart(message);
}
/**
* Checks if the message delivering is relevant.
*
* @return true, if relevant
*/
public boolean isRelevantMessage() {
String protocolClassname = message.getProtocolClassname();
Object protocolObj = null;
if (process.objectExists(protocolClassname))
protocolObj = process.getObject(protocolClassname);
else
return false;
if (!((VSAbstractProtocol) protocolObj).isRelevantMessage(message))
return false;
return true;
}
}
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