/* An adapter class for ptolemy.actor.lib.Discard.
Copyright (c) 2008-2009 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
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
*/
package ptolemy.data.properties.lattice.logicalOrBackward.actor.lib;
import java.util.List;
import ptolemy.data.properties.lattice.PropertyConstraintSolver;
import ptolemy.data.properties.lattice.logicalOrBackward.Lattice;
import ptolemy.kernel.util.IllegalActionException;
//////////////////////////////////////////////////////////////////////////
//// Discard
/**
An adapter class for ptolemy.actor.lib.Discard.
@author Thomas Mandl, Man-Kit Leung
@version $Id$
@since Ptolemy II 7.1
@Pt.ProposedRating Red (mankit)
@Pt.AcceptedRating Red (mankit)
*/
public class Discard extends Sink {
/**
* Construct the Discard property constraint adapter associated
* with the given component and solver. The constructed adapter
* implicitly uses the default constraints set by the solver.
* @param solver The given solver.
* @param actor The given Discard actor
* @exception IllegalActionException If the adapter cannot be
* initialized in the superclass.
*/
public Discard(PropertyConstraintSolver solver,
ptolemy.actor.lib.Discard actor) throws IllegalActionException {
super(solver, actor, false);
}
///////////////////////////////////////////////////////////////////
//// public methods ////
/**
* Return the constraints of this component. The constraints are a list of
* inequalities.
* @return The constraints of this component.
* @exception IllegalActionException If thrown while manipulating the lattice
* or getting the solver.
*/
public List<Inequality> constraintList() throws IllegalActionException {
ptolemy.actor.lib.Discard actor = (ptolemy.actor.lib.Discard) getComponent();
Lattice lattice = (Lattice) getSolver().getLattice();
setEquals(actor.input, lattice.FALSE);
return super.constraintList();
}
}