/* $Id: CrInvalidFork.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
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
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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 fork state has the wrong number of
* transitions. Implements constraint [5] on Pseudostate in the UML
* Semantics v1.1, pp. 104.
*
* Well-formedness rule [5] for PseudoState. See page 137 of UML 1.4
* Semantics. OMG document UML 1.4.2 formal/04-07-02.
*
* @author jrobbins
*/
public class CrInvalidFork extends CrUML {
/**
* The constructor.
*/
public CrInvalidFork() {
setupHeadAndDesc();
addSupportedDecision(UMLDecision.STATE_MACHINES);
addTrigger("incoming");
}
/*
* @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().isAPseudostate(dm))) {
return NO_PROBLEM;
}
Object k = Model.getFacade().getKind(dm);
if (!Model.getFacade().equalsPseudostateKind(
k,
Model.getPseudostateKind().getFork())) {
return NO_PROBLEM;
}
Collection outgoing = Model.getFacade().getOutgoings(dm);
Collection incoming = Model.getFacade().getIncomings(dm);
int nOutgoing = outgoing == null ? 0 : outgoing.size();
int nIncoming = incoming == null ? 0 : incoming.size();
if (nIncoming > 1) {
return PROBLEM_FOUND;
}
if (nOutgoing == 1) {
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().getPseudostate());
return ret;
}
}