/* $Id: CrInterfaceOperOnly.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,
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package org.argouml.uml.cognitive.critics;

import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
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;

/**
 * Well-formedness rule [1] for Interface. See page 32 of UML 1.1
 * Semantics. OMG document ad/97-08-04.
 *
 * Well-formedness rule [2] for GeneralizableElement. See page 60 of UML 1.4
 * Semantics. OMG document UML 1.4.2 formal/04-07-02.
 *
 * @author jrobbins
 */
public class CrInterfaceOperOnly extends CrUML {

    /**
     * The constructor.
     */
    public CrInterfaceOperOnly() {
        setupHeadAndDesc();
	addSupportedDecision(UMLDecision.PLANNED_EXTENSIONS);
	setKnowledgeTypes(Critic.KT_SYNTAX);
	addTrigger("structuralFeature");
    }

    /*
     * @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().isAInterface(dm))) return NO_PROBLEM;
	Object inf = dm;
	Collection sf = Model.getFacade().getFeatures(inf);
	if (sf == null) return NO_PROBLEM;
	for (Iterator iter = sf.iterator(); iter.hasNext();) {
	    if (Model.getFacade().isAStructuralFeature(iter.next()))
		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().getInterface());
        return ret;
    }
    
} /* end class CrInterfaceOperOnly */