/* Test for ChangeRequest in the DE domain.
Copyright (c) 1998-2007 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
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of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
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*/
package ptolemy.kernel.util.test;
import java.util.Collections;
import java.util.Enumeration;
import ptolemy.actor.Manager;
import ptolemy.actor.TypedCompositeActor;
import ptolemy.actor.lib.Clock;
import ptolemy.actor.lib.Recorder;
import ptolemy.domains.de.kernel.DEDirector;
import ptolemy.domains.de.lib.Merge;
import ptolemy.kernel.util.ChangeRequest;
import ptolemy.kernel.util.IllegalActionException;
import ptolemy.kernel.util.KernelException;
import ptolemy.kernel.util.NameDuplicationException;
//////////////////////////////////////////////////////////////////////////
//// TestDE
/**
Test for ChangeRequest in the DE domain.
@author Edward A. Lee
@version $Id: TestDE.java,v 1.27 2007/12/06 18:23:12 cxh Exp $
@since Ptolemy II 1.0
@Pt.ProposedRating Red (eal)
@Pt.AcceptedRating Red (reviewmoderator)
@see ptolemy.kernel.util.ChangeRequest
*/
public class TestDE {
/** Constructor.
*/
public TestDE() throws IllegalActionException, NameDuplicationException {
_top = new TypedCompositeActor();
_top.setName("top");
_manager = new Manager();
_director = new DEDirector();
_top.setDirector(_director);
_top.setManager(_manager);
_clock = new Clock(_top, "clock");
_clock.values.setExpression("{1.0}");
_clock.offsets.setExpression("{0.0}");
_clock.period.setExpression("1.0");
_rec = new Recorder(_top, "rec");
_top.connect(_clock.output, _rec.input);
}
///////////////////////////////////////////////////////////////////
//// public methods ////
/** Double the period of the clock. Note that this will take
* after the next event is processed, because the next firing
* has already been queued.
*/
public void doublePeriod() {
// Create an anonymous inner class
ChangeRequest change = new ChangeRequest(this, "test") {
protected void _execute() throws Exception {
_clock.period.setExpression("2.0");
_clock.period.validate();
}
};
_top.requestChange(change);
}
/** Finish a run. Return the time of the output events.
*/
public Enumeration finish() throws KernelException {
while (_director.getModelTime().getDoubleValue() <= 10.0) {
_manager.iterate();
}
_manager.wrapup();
return Collections.enumeration(_rec.getTimeHistory());
}
/** Insert a new clock.
*/
public void insertClock() {
// Create an anonymous inner class
ChangeRequest change = new ChangeRequest(this, "test2") {
protected void _execute() throws Exception {
_clock.output.unlinkAll();
_rec.input.unlinkAll();
Clock clock2 = new Clock(_top, "clock2");
clock2.values.setExpression("{2.0}");
clock2.offsets.setExpression("{0.5}");
clock2.period.setExpression("2.0");
Merge merge = new Merge(_top, "merge");
_top.connect(_clock.output, merge.input);
_top.connect(clock2.output, merge.input);
_top.connect(merge.output, _rec.input);
// Any pre-existing input port whose connections
// are modified needs to have this method called.
_rec.input.createReceivers();
}
};
_top.requestChange(change);
}
/** Start a run.
*/
public void start() throws KernelException {
_manager.initialize();
// Process up to time 1.0
while (_director.getModelTime().getDoubleValue() <= 1.0) {
_manager.iterate();
}
}
///////////////////////////////////////////////////////////////////
//// private variables ////
private Manager _manager;
private Recorder _rec;
private Clock _clock;
private TypedCompositeActor _top;
private DEDirector _director;
}