/* $Id: CrTooManyTransitions.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

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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 state has too many ingoing and

  * outgoing transitions.

  */

 public class CrTooManyTransitions extends AbstractCrTooMany {

     /**

      * Threshold.

      */

     private static final int TRANSITIONS_THRESHOLD = 10;

     /**

      * The constructor.

      */

     public CrTooManyTransitions() {

         setupHeadAndDesc();

         addSupportedDecision(UMLDecision.STATE_MACHINES);

         setThreshold(TRANSITIONS_THRESHOLD);

         addTrigger("incoming");

         addTrigger("outgoing");

     }

     /*

      * @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().isAStateVertex(dm))) {

             return NO_PROBLEM;

         }

         Collection in = Model.getFacade().getIncomings(dm);

         Collection out = Model.getFacade().getOutgoings(dm);

         int inSize = (in == null) ? 0 : in.size();

         int outSize = (out == null) ? 0 : out.size();

         if (inSize + outSize <= getThreshold()) {

             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().getStateVertex());

         return ret;

     }

     /**

      * The UID.

      */

     private static final long serialVersionUID = -5732942378849267065L;

 } /* end class CrTooManyTransitions */