/* $Id: CrConflictingComposites.java 17849 2010-01-12 19:50:34Z linus $

  *****************************************************************************

  * Copyright (c) 2009 Contributors - see below

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  *

  * Contributors:

  *    maurelio1234

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 1996-2006 The Regents of the University of California. All

 // Rights Reserved. Permission to use, copy, modify, and distribute this

 // software and its documentation without fee, and without a written

 // agreement is hereby granted, provided that the above copyright notice

 // and this paragraph appear in all copies.  This software program and

 // documentation are copyrighted by The Regents of the University of

 // California. The software program and documentation are supplied "AS

 // IS", without any accompanying services from The Regents. The Regents

 // does not warrant that the operation of the program will be

 // uninterrupted or error-free. The end-user understands that the program

 // was developed for research purposes and is advised not to rely

 // exclusively on the program for any reason.  IN NO EVENT SHALL THE

 // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,

 // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,

 // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF

 // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF

 // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY

 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

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 // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF

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 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.uml.cognitive.critics;

 import java.util.Collection;

 import java.util.Iterator;

 import org.argouml.cognitive.Critic;

 import org.argouml.cognitive.Designer;

 import org.argouml.model.Model;

 import org.argouml.uml.cognitive.UMLDecision;

 /**

  * Well-formedness rule [2] for association end. See page 28 of UML 1.1

  * Semantics. OMG document ad/97-08-04.

  * 

  * Well-formedness rule [2] for AssociationEnd. See page 53 of UML 1.4

  * Semantics. OMG document UML 1.4.2 formal/04-07-02.

  *

  * @author jrobbins

  */

 public class CrConflictingComposites extends CrUML {

     /**

      * The constructor.

      *

      */

     public CrConflictingComposites() {

         setupHeadAndDesc();

         addSupportedDecision(UMLDecision.CONTAINMENT);

         setKnowledgeTypes(Critic.KT_SEMANTICS);

         // no good trigger

     }

     /*

      * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(

      *      java.lang.Object, org.argouml.cognitive.Designer)

      */

     public boolean predicate2(Object classifier, Designer dsgr) {

         if (!(Model.getFacade().isAClassifier(classifier))) {

             return NO_PROBLEM;

         }

         Collection conns = Model.getFacade().getAssociationEnds(classifier);

         if (conns == null) {

             return NO_PROBLEM;

         }

         int compositeCount = 0;

         Iterator assocEnds = conns.iterator();

         while (assocEnds.hasNext()) {

             Object myEnd = assocEnds.next();

             if (Model.getCoreHelper()

                 .equalsAggregationKind(myEnd, "composite")) {

                 continue;

             }

             if (Model.getFacade().getLower(myEnd) == 0) {

                 continue;

             }

             Object asc = Model.getFacade().getAssociation(myEnd);

             if (asc != null

                 && Model.getCoreHelper().hasCompositeEnd(asc)) {

                 compositeCount++;

             }

         }

         if (compositeCount > 1) {

             return PROBLEM_FOUND;

         }

         return NO_PROBLEM;

     }

 } /* end class CrConflictingComposites */