001    /*--------------------------------------------------------------------------+
002    $Id: SimulinkLineConstraint.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.constraints;
019    
020    import edu.tum.cs.commons.constraint.ConstraintViolationException;
021    import edu.tum.cs.commons.constraint.ILocalConstraint;
022    import edu.tum.cs.simulink.model.SimulinkLine;
023    
024    /**
025     * This constraint checks if a Simulink line crosses subsystem boundaries. This
026     * is an optional constraint.
027     * 
028     * @author deissenb
029     * @author $Author: juergens $
030     * @version $Rev: 26285 $
031     * @levd.rating GREEN Hash: 5014B1A31AD9F286E3B4A02852437876
032     */
033    public class SimulinkLineConstraint implements ILocalConstraint<SimulinkLine> {
034    
035            /** See class comment. */
036            public void checkLocalConstraint(SimulinkLine element)
037                            throws ConstraintViolationException {
038                    if (element.getSrcPort().getBlock().getParent() != element.getDstPort()
039                                    .getBlock().getParent()) {
040                            throw new ConstraintViolationException("Line " + element
041                                            + " crosses subsystem boundaries.", element);
042                    }
043            }
044    
045    }