/* An adapter class for ptolemy.actor.lib.Comparator.
Copyright (c) 2008-2009 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
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of this software.
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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*/
package ptolemy.data.properties.lattice.typeSystem_C.actor.lib.logic;
import java.util.List;
import ptolemy.data.properties.lattice.PropertyConstraintSolver;
import ptolemy.data.properties.lattice.typeSystem_C.Lattice;
import ptolemy.data.properties.lattice.typeSystem_C.actor.AtomicActor;
import ptolemy.kernel.util.IllegalActionException;
//////////////////////////////////////////////////////////////////////////
//// Comparator
/**
An adapter class for ptolemy.actor.lib.logic.Comparator.
@author Thomas Mandl
@version $Id$
@since Ptolemy II 7.1
@Pt.ProposedRating Red (mankit)
@Pt.AcceptedRating Red (mankit)
*/
public class Comparator extends AtomicActor {
/**
* Construct an Comparator adapter.
* @param solver the associated solver.
* @param actor the associated actor.
* @exception IllegalActionException If thrown by the superclass.
*/
public Comparator(PropertyConstraintSolver solver,
ptolemy.actor.lib.logic.Comparator actor)
throws IllegalActionException {
super(solver, actor, false);
_lattice = (Lattice) getSolver().getLattice();
_actor = actor;
}
///////////////////////////////////////////////////////////////////
//// public methods ////
/**
* Return the constraint list for this adapter.
* @return The constraint list for this adapter which consists of
* the constraint list for the super class and a constraint
* between the output port of the actor and the Boolean element of
* the lattice.
* @exception IllegalActionException If thrown while manipulating the lattice
* or getting the solver.
*/
public List<Inequality> constraintList() throws IllegalActionException {
setEquals(_actor.output, _lattice.getElement("BOOLEAN"));
return super.constraintList();
}
///////////////////////////////////////////////////////////////////
//// private variables ////
private ptolemy.actor.lib.logic.Comparator _actor;
private Lattice _lattice;
}