/* $Id: CrNoGuard.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) 1996-2007 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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// and this paragraph appear in all copies. This software program and
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package org.argouml.uml.cognitive.critics;
import java.util.HashSet;
import java.util.Set;
import org.argouml.cognitive.Critic;
import org.argouml.cognitive.Designer;
import org.argouml.model.Model;
import org.argouml.uml.cognitive.UMLDecision;
/**
* Critic that fires when there is no guard for a transition
* that originates in a Choice pseudostate.
*
* @author jrobbins
*/
public class CrNoGuard extends CrUML {
/**
* The constructor.
*/
public CrNoGuard() {
setupHeadAndDesc();
addSupportedDecision(UMLDecision.STATE_MACHINES);
setKnowledgeTypes(Critic.KT_COMPLETENESS);
addTrigger("guard");
}
/*
* @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().isATransition(dm))) {
return NO_PROBLEM;
}
/* dm is a transition */
Object sourceVertex = Model.getFacade().getSource(dm);
if (!(Model.getFacade().isAPseudostate(sourceVertex))) {
return NO_PROBLEM;
}
/* the source of the transition is a pseudostate */
if (!Model.getFacade().equalsPseudostateKind(
Model.getFacade().getKind(sourceVertex),
Model.getPseudostateKind().getChoice())) {
return NO_PROBLEM;
}
/* the source of the transition is a choice */
Object guard = Model.getFacade().getGuard(dm);
boolean noGuard =
(guard == null
|| Model.getFacade().getExpression(guard) == null
|| Model.getFacade().getBody(
Model.getFacade().getExpression(guard)) == null
|| ((String) Model.getFacade().getBody(
Model.getFacade().getExpression(guard)))
.length() == 0);
if (noGuard) {
return PROBLEM_FOUND;
}
return NO_PROBLEM;
}
/*
* @see org.argouml.uml.cognitive.critics.CrUML#getCriticizedDesignMaterials()
*/
public Set<Object> getCriticizedDesignMaterials() {
Set<Object> ret = new HashSet<Object>();
ret.add(Model.getMetaTypes().getTransition());
return ret;
}
}