/* $Id: CrTooManyAssoc.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

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 package org.argouml.uml.cognitive.critics;

 import java.util.Collection;

 import java.util.HashSet;

 import java.util.Set;

 import org.argouml.cognitive.Designer;

 import org.argouml.model.Model;

 import org.argouml.uml.cognitive.UMLDecision;

 /** A critic to detect when a classifier has too many associations.

  */

 public class CrTooManyAssoc extends AbstractCrTooMany {

     /**

      * The initial threshold.

      */

     private static final int ASSOCIATIONS_THRESHOLD = 7;

     /**

      * The constructor.

      */

     public CrTooManyAssoc() {

         setupHeadAndDesc();

         addSupportedDecision(UMLDecision.RELATIONSHIPS);

         setThreshold(ASSOCIATIONS_THRESHOLD);

         addTrigger("associationEnd");

     }

     /*

      * @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().isAClassifier(dm))) return NO_PROBLEM;

         // TODO: consider inherited associations?

         // TODO: self loops are double counted

         int threshold = getThreshold();

         Collection aes = Model.getFacade().getAssociationEnds(dm);

         if (aes == null || aes.size() <= threshold) return NO_PROBLEM;

         return PROBLEM_FOUND;

     }

     /*

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

      */

     public Set<Object> getCriticizedDesignMaterials() {

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

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

         return ret;

     }

 } /* end class CrTooManyAssoc */