/* $Id: CrNoTransitions.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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package org.argouml.uml.cognitive.critics;
import java.util.Collection;
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;
/**
* A critic to detect when a state has no outgoing transitions.
*
* @author jrobbins
*/
public class CrNoTransitions extends CrUML {
/**
* Constructor.
*/
public CrNoTransitions() {
setupHeadAndDesc();
addSupportedDecision(UMLDecision.STATE_MACHINES);
setKnowledgeTypes(Critic.KT_COMPLETENESS);
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;
}
Object sv = /*(MStateVertex)*/ dm;
if (Model.getFacade().isAState(sv)) {
Object sm = Model.getFacade().getStateMachine(sv);
if (sm != null && Model.getFacade().getTop(sm) == sv) {
return NO_PROBLEM;
}
}
Collection outgoing = Model.getFacade().getOutgoings(sv);
Collection incoming = Model.getFacade().getIncomings(sv);
boolean needsOutgoing = outgoing == null || outgoing.size() == 0;
boolean needsIncoming = incoming == null || incoming.size() == 0;
if (Model.getFacade().isAPseudostate(sv)) {
Object k = Model.getFacade().getKind(sv);
if (k.equals(Model.getPseudostateKind().getChoice())) {
return NO_PROBLEM;
}
if (k.equals(Model.getPseudostateKind().getJunction())) {
return NO_PROBLEM;
}
if (k.equals(Model.getPseudostateKind().getInitial())) {
needsIncoming = false;
}
}
if (Model.getFacade().isAFinalState(sv)) {
needsOutgoing = false;
}
if (needsIncoming && needsOutgoing) {
return PROBLEM_FOUND;
}
return NO_PROBLEM;
}
/*
* @see org.argouml.uml.cognitive.critics.CrUML#getCriticizedMetatypes()
*/
public Set<Object> getCriticizedDesignMaterials() {
Set<Object> ret = new HashSet<Object>();
ret.add(Model.getMetaTypes().getStateVertex());
return ret;
}
}