001/*
002 * Copyright (c) 2010 The Regents of the University of California.
003 * All rights reserved.
004 *
005 * '$Author: crawl $'
006 * '$Date: 2015-08-24 22:48:48 +0000 (Mon, 24 Aug 2015) $' 
007 * '$Revision: 33634 $'
008 * 
009 * Permission is hereby granted, without written agreement and without
010 * license or royalty fees, to use, copy, modify, and distribute this
011 * software and its documentation for any purpose, provided that the above
012 * copyright notice and the following two paragraphs appear in all copies
013 * of this software.
014 *
015 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
016 * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
017 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
018 * THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
019 * SUCH DAMAGE.
020 *
021 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
022 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
023 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
024 * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
025 * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
026 * ENHANCEMENTS, OR MODIFICATIONS.
027 *
028 */
029
030package org.ROADnet;
031
032import com.brtt.antelope.OrbWaveformPacket;
033
034import ptolemy.actor.TypedAtomicActor;
035import ptolemy.actor.TypedIOPort;
036import ptolemy.data.ObjectToken;
037import ptolemy.data.Token;
038import ptolemy.data.expr.Parameter;
039import ptolemy.data.type.BaseType;
040import ptolemy.kernel.CompositeEntity;
041import ptolemy.kernel.util.IllegalActionException;
042import ptolemy.kernel.util.NameDuplicationException;
043
044/**
045 * This actor receives OrbPacket objects ensconced in ObjectTokens and extracts
046 * any OrbPacketChannels from the OrbPackets and outputs them as
047 * OrbPacketChannel objects ensconced in ObjectTokens.
048 * 
049 * @author Tobin Fricke, University of California
050 * @version $Id: OrbPacketChannelExtractor.java 11161 2005-11-01 20:39:16Z
051 *          ruland $
052 */
053
054public class OrbPacketChannelExtractor extends TypedAtomicActor {
055
056        public OrbPacketChannelExtractor(CompositeEntity container, String name)
057                        throws NameDuplicationException, IllegalActionException {
058                super(container, name);
059
060                output = new TypedIOPort(this, "output", false, true);
061                output.setMultiport(true);
062                output.setTypeEquals(BaseType.OBJECT);
063
064                input = new TypedIOPort(this, "input", true, false);
065                input.setMultiport(true);
066                input.setTypeEquals(BaseType.OBJECT);
067        }
068
069        /** Connect to the ORB */
070
071        public void initialize() throws IllegalActionException {
072                super.initialize();
073        }
074
075        /** Process a token */
076
077        public void fire() throws IllegalActionException {
078                super.fire();
079                try {
080
081                        // first take care of any inputs
082
083                        for (int c = 0; c < input.getWidth(); c++) {
084                                while (input.hasToken(c)) {
085                                        ObjectToken token = (ObjectToken) (input.get(c));
086
087                                        // fixme: we should actually check the following
088
089                                        OrbWaveformPacket packet = (OrbWaveformPacket) (token
090                                                        .getValue());
091
092                                        for (int i = 0; i < packet.channels.size(); i++) {
093                                                Token result = new ObjectToken(packet.channels.get(i));
094                                                output.broadcast(result);
095                                        }
096                                }
097                        }
098
099                } catch (Exception e) {
100                        // ...
101                }
102
103        }
104
105        /**
106         * The name of the Antelope ORB to connect to, in the format
107         * "hostname:port".
108         */
109
110        public Parameter orbname;
111
112        /** The sourcename to request from the ORB. */
113
114        public Parameter srcname;
115
116        /**
117         * Packets reaped from the ORB will appear on this port as Ptolemy
118         * ObjectTokens.
119         */
120
121        public TypedIOPort output;
122        public TypedIOPort input;
123
124}