/* * @(#)StationaryAglet.java * * 03L7246 (c) Copyright IBM Corp. 1996, 1998 * * The program is provided "as is" without any warranty express or * implied, including the warranty of non-infringement and the implied * warranties of merchantibility and fitness for a particular purpose. * IBM will not be liable for any damages suffered by you as a result * of using the Program. In no event will IBM be liable for any * special, indirect or consequential damages or lost profits even if * IBM has been advised of the possibility of their occurrence. IBM * will not be liable for any third party claims against you. */package examples.itinerary;import com.ibm.aglet.*;import com.ibm.aglet.event.*;import com.ibm.agletx.patterns.Meeting;public final class StationaryAglet extends Aglet implements MobilityListener {    private Meeting meeting = null;    boolean dispatched = false;    public StationaryAglet () {    }    public void onCreation(Object ini) {		print("created!");		addMobilityListener(this);		meeting = (Meeting)ini;    }    public void onDisposing () {		print("disposed!!");    }    public boolean handleMessage(Message msg) {		if (msg.sameKind("dispose")) {	    	try { 			dispose();			return true;	    	} catch (Exception ex) {				ex.printStackTrace();	    	}		} else if ( (meeting != null) && (msg.sameKind(meeting.getID())) ) {	    	meet((AgletID)(msg.getArg()));	    	msg.sendReply(getAgletID());	    	dispose();	    	return true;		}		return false;    }    public void onArrival (MobilityEvent ev) {		print("on Arrival");		dispatched=true;		try { 	    	meeting.ready(this);		} catch (Exception ex) {		    	ex.printStackTrace();		}    }    public void onReverting(MobilityEvent ev) {		throw new SecurityException();    }    public void onDispatching(MobilityEvent ev) {		if (dispatched) {	    	throw new SecurityException("Don't try to move me!!");		}    }    private void print (String txt) {		System.out.println(">>>StationaryAglet:" + txt);    }	    private void meet (AgletID id) {		print("[" + getAgletID() + "] I met with VisitingAglet [id=" + id + "]");    }}