/* An adapter class for ptolemy.domains.sdf.lib.SampleDelay.
Copyright (c) 2006-2009 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
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
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*/
package ptolemy.data.properties.lattice.logicalAND.domains.sdf.lib;
import java.util.List;
import ptolemy.data.properties.lattice.PropertyConstraintSolver;
import ptolemy.data.properties.lattice.logicalAND.actor.AtomicActor;
import ptolemy.kernel.util.IllegalActionException;
//////////////////////////////////////////////////////////////////////////
//// SampleDelay
/**
An adapter class for ptolemy.actor.lib.SampleDelay.
@author Man-Kit Leung, Thomas Mandl
@version $Id$
@since Ptolemy II 7.1
@Pt.ProposedRating Red (mankit)
@Pt.AcceptedRating Red (mankit)
*/
public class SampleDelay extends AtomicActor {
/**
* Construct a SampleDelay adapter for the logicalAND lattice.
* @param solver The given solver.
* @param actor The given SampleDelay actor
* @exception IllegalActionException
*/
public SampleDelay(PropertyConstraintSolver solver,
ptolemy.domains.sdf.lib.SampleDelay actor)
throws IllegalActionException {
super(solver, actor, false);
}
///////////////////////////////////////////////////////////////////
//// public methods ////
public List<Inequality> constraintList() throws IllegalActionException {
/* always set output of feedback loop to False if we want to
* interpret the use-case as const/nonconst. By adding partial
* evaluation a less conservative behavior could be implemented.
*/
ptolemy.domains.sdf.lib.SampleDelay actor = (ptolemy.domains.sdf.lib.SampleDelay) getComponent();
setAtLeast(actor.output, _lattice.getElement("FALSE"));
return super.constraintList();
}
}