/* $Id: CrUnnavigableAssoc.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

 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE

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

 // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,

 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.uml.cognitive.critics;

 import java.util.Collection;

 import java.util.HashSet;

 import java.util.Iterator;

 import java.util.Set;

 import org.argouml.cognitive.Designer;

 import org.argouml.cognitive.ToDoItem;

 import org.argouml.model.Model;

 import org.argouml.uml.cognitive.UMLDecision;

 /** A critic to detect when a class can never have instances (of

  *  itself of any subclasses).

  *

  * @author jrobbins

  */

 public class CrUnnavigableAssoc extends CrUML {

     /**

      * The constructor.

      */

     public CrUnnavigableAssoc() {

         setupHeadAndDesc();

         addSupportedDecision(UMLDecision.RELATIONSHIPS);

         addTrigger("end_navigable");

     }

     /*

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

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

      */

     public boolean predicate2(Object dm, Designer dsgr) {

         if (!(Model.getFacade().isAAssociation(dm))) return NO_PROBLEM;

         Object asc = /*(MAssociation)*/ dm;

         Collection conn = Model.getFacade().getConnections(asc);

         if (Model.getFacade().isAAssociationRole(asc))

             conn = Model.getFacade().getConnections(asc);

         for (Iterator iter = conn.iterator(); iter.hasNext();) {

             Object ae = /*(MAssociationEnd)*/ iter.next();

             if (Model.getFacade().isNavigable(ae)) return NO_PROBLEM;

         }

         return PROBLEM_FOUND;

     }

     /*

      * @see org.argouml.cognitive.critics.Critic#getWizardClass(org.argouml.cognitive.ToDoItem)

      */

     public Class getWizardClass(ToDoItem item) { return WizNavigable.class; }

     /*

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

      */

     public Set<Object> getCriticizedDesignMaterials() {

         Set<Object> ret = new HashSet<Object>();

         ret.add(Model.getMetaTypes().getAssociationClass());

         return ret;

     }

 } /* end class CrUnnavigableAssoc */