001/*
002 @Copyright (c) 1998-2014 The Regents of the University of California.
003 All rights reserved.
004
005 Permission is hereby granted, without written agreement and without
006 license or royalty fees, to use, copy, modify, and distribute this
007 software and its documentation for any purpose, provided that the
008 above copyright notice and the following two paragraphs appear in all
009 copies of this software.
010
011 IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
012 FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
013 ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
014 THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
015 SUCH DAMAGE.
016
017 THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
018 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
019 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
020 PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
021 CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
022 ENHANCEMENTS, OR MODIFICATIONS.
023
024 PT_COPYRIGHT_VERSION 2
025 COPYRIGHTENDKEY
026
027 */
028package ptolemy.domains.sdf.kernel.test;
029
030import ptolemy.actor.TypedAtomicActor;
031import ptolemy.actor.TypedIOPort;
032import ptolemy.data.IntToken;
033import ptolemy.data.expr.Parameter;
034import ptolemy.data.type.BaseType;
035import ptolemy.kernel.CompositeEntity;
036import ptolemy.kernel.util.IllegalActionException;
037import ptolemy.kernel.util.NameDuplicationException;
038
039///////////////////////////////////////////////////////////////////
040//// SDFTestJoin
041
042/**
043 * A deterministic merge of two token streams.
044 * @author Stephen Neuendorffer
045 * @version $Id$
046 * @since Ptolemy II 0.4
047 * @Pt.ProposedRating Red
048 * @Pt.AcceptedRating Red
049 */
050public class SDFTestJoin extends TypedAtomicActor {
051    public SDFTestJoin(CompositeEntity container, String name)
052            throws IllegalActionException, NameDuplicationException {
053        super(container, name);
054        input1 = new TypedIOPort(this, "input1", true, false);
055        input1_tokenConsumptionRate = new Parameter(input1,
056                "tokenConsumptionRate", new IntToken(1));
057        input1.setTypeEquals(BaseType.GENERAL);
058
059        input2 = new TypedIOPort(this, "input2", true, false);
060        input2_tokenConsumptionRate = new Parameter(input2,
061                "tokenConsumptionRate", new IntToken(1));
062        input2.setTypeEquals(BaseType.GENERAL);
063
064        output = new TypedIOPort(this, "output", false, true);
065        output_tokenProductionRate = new Parameter(output,
066                "tokenProductionRate", new IntToken(2));
067
068        output.setTypeEquals(BaseType.GENERAL);
069    }
070
071    ///////////////////////////////////////////////////////////////////
072    ////                         public methods                    ////
073    public TypedIOPort input1;
074
075    public TypedIOPort input2;
076
077    public TypedIOPort output;
078
079    public Parameter input1_tokenConsumptionRate;
080
081    public Parameter input2_tokenConsumptionRate;
082
083    public Parameter output_tokenProductionRate;
084
085    /** Fire the actor.
086     * Copy one token from input1 to the output and then copy one token
087     * from input2 to the output.
088     * @exception IllegalActionException If a contained method throws it.
089     */
090    @Override
091    public void fire() throws IllegalActionException {
092        IntToken message;
093
094        message = (IntToken) input1.get(0);
095        output.send(0, message);
096        message = (IntToken) input2.get(0);
097        output.send(0, message);
098    }
099}