001 /*--------------------------------------------------------------------------+
002 $Id: SimulinkLine.java 26285 2010-02-18 11:22:54Z juergens $
003 | |
004 | Copyright 2005-2010 Technische Universitaet Muenchen |
005 | |
006 | Licensed under the Apache License, Version 2.0 (the "License"); |
007 | you may not use this file except in compliance with the License. |
008 | You may obtain a copy of the License at |
009 | |
010 | http://www.apache.org/licenses/LICENSE-2.0 |
011 | |
012 | Unless required by applicable law or agreed to in writing, software |
013 | distributed under the License is distributed on an "AS IS" BASIS, |
014 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
015 | See the License for the specific language governing permissions and |
016 | limitations under the License. |
017 +--------------------------------------------------------------------------*/
018 package edu.tum.cs.simulink.model;
019
020 import java.util.Set;
021
022 import edu.tum.cs.commons.assertion.CCSMPre;
023
024 /**
025 * A Simulink line.
026 *
027 * @author hummelb
028 * @author $Author: juergens $
029 * @version $Rev: 26285 $
030 * @levd.rating GREEN Hash: D945508F614C0D24A7CBFADCEA38A6AE
031 */
032 public class SimulinkLine extends ParameterizedElement {
033
034 /** The source port of this line. */
035 private SimulinkOutPort srcPort;
036
037 /** The target port of this line. */
038 private SimulinkInPort dstPort;
039
040 /** Creates a new line. This adds the line to the ports. */
041 @SuppressWarnings("null")
042 public SimulinkLine(SimulinkOutPort srcPort, SimulinkInPort dstPort) {
043
044 CCSMPre.isFalse(srcPort == null || dstPort == null,
045 "Ports may not be null!");
046
047 this.srcPort = srcPort;
048 this.dstPort = dstPort;
049
050 srcPort.addLine(this);
051 dstPort.setLine(this);
052 }
053
054 /** Returns target port. */
055 public SimulinkInPort getDstPort() {
056 return dstPort;
057 }
058
059 /** Get model this line belongs to. */
060 public SimulinkModel getModel() {
061 return srcPort.getBlock().getModel();
062 }
063
064 /** Returns source port. */
065 public SimulinkOutPort getSrcPort() {
066 return srcPort;
067 }
068
069 /** Remove the line from the ports. */
070 public void remove() {
071 CCSMPre.isFalse(srcPort == null || dstPort == null,
072 "May not remove lines twice!");
073
074 srcPort.removeLine(this);
075 dstPort.removeLine(this);
076 srcPort = null;
077 dstPort = null;
078 }
079
080 /** Get string representation of the line. */
081 @Override
082 public String toString() {
083 return srcPort + " -> " + dstPort;
084 }
085
086 /**
087 * Get line default parameter.
088 */
089 @Override
090 /* package */String getDefaultParameter(String name) {
091 return getModel().getLineDefaultParameter(name);
092 }
093
094 /**
095 * Get line default parameter names.
096 */
097 @Override
098 /* package */Set<String> getDefaultParameterNames() {
099 return getModel().getLineDefaultParameterNames();
100 }
101 }