001/* A simple test case for iterations and microsteps.
002
003 Copyright (c) 1999-2005 The Regents of the University of California.
004 All rights reserved.
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 above
008 copyright notice and the following two paragraphs appear in all copies
009 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.de.lib.test;
029
030import java.util.Iterator;
031
032import ptolemy.actor.Manager;
033import ptolemy.actor.TypedCompositeActor;
034import ptolemy.actor.lib.Recorder;
035import ptolemy.data.DoubleToken;
036import ptolemy.data.Token;
037import ptolemy.domains.de.kernel.DEDirector;
038import ptolemy.kernel.util.KernelException;
039import ptolemy.kernel.util.Workspace;
040
041//////////////////////////////////////////////////////////////////////////
042//// Iterations
043
044/* A test for iterations and microsteps.
045 @author Edward A. Lee
046 @version $Id$
047 @since Ptolemy II 0.4
048 @Pt.ProposedRating Red (eal)
049 @Pt.AcceptedRating Red (cxh)
050 */
051public class Iterations {
052    private Recorder _recorder;
053
054    public Iterations() throws KernelException {
055        Workspace w = new Workspace("w");
056        TypedCompositeActor toplevel = new TypedCompositeActor(w);
057        toplevel.setName("toplevel");
058
059        DEDirector director = new DEDirector(toplevel, "director");
060
061        //director.addDebugListener(new StreamListener());
062        Manager manager = new Manager(w, "manager");
063        toplevel.setManager(manager);
064
065        TestSource source1 = new TestSource(toplevel, "source1");
066        TestSource source2 = new TestSource(toplevel, "source2");
067        _recorder = new Recorder(toplevel, "recorder");
068
069        toplevel.connect(source1.output, source2.input);
070        toplevel.connect(source2.output, _recorder.input);
071
072        director.startTime.setToken(new DoubleToken(0.0));
073        director.stopTime.setToken(new DoubleToken(1000.0));
074        manager.initialize();
075        manager.iterate();
076        manager.iterate();
077        manager.wrapup();
078    }
079
080    public String getResult() {
081        StringBuffer result = new StringBuffer();
082        Iterator tokens = _recorder.getHistory(0).iterator();
083
084        while (tokens.hasNext()) {
085            Token token = (Token) tokens.next();
086
087            if (result.length() > 0) {
088                result.append(", ");
089            }
090
091            result.append(token.toString());
092        }
093
094        return result.toString();
095    }
096}