/**
* JADE - Java Agent DEvelopment Framework is a framework to develop
* multi-agent systems in compliance with the FIPA specifications.
* Copyright (C) 2000 CSELT S.p.A.
* Copyright (C) 2001,2002 TILab S.p.A.
*
* GNU Lesser General Public License
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation,
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package jade.tools.introspector;
import java.util.Vector;
import jade.core.behaviours.Behaviour;
import jade.util.Event;
/**
* @author Giovanni Caire - TILab
*/
public class Sensor {
private Vector eventQueue = new Vector();
private Behaviour myManager;
public synchronized void setManager(Behaviour b) {
myManager = b;
// If there were events already sensed --> restart the manager
// so that it can manages them
if (myManager != null && eventQueue.size() > 0) {
myManager.restart();
}
}
public synchronized void post(Event ev) {
// Insert the event in the queue
eventQueue.addElement(ev);
// Restart the sensor manager behaviour (if any) so that it can manage
// the event
if (myManager != null) {
myManager.restart();
}
}
public synchronized Event get() {
Event ev = null;
if (eventQueue.size() > 0) {
ev = (Event) eventQueue.elementAt(0);
eventQueue.removeElementAt(0);
}
return ev;
}
}