/* $Id: CrClassMustBeAbstract.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
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// uninterrupted or error-free. The end-user understands that the program
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package org.argouml.uml.cognitive.critics;

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;

/**
 * A critic to detect whether a non abstract class
 * contains abstract operations.
 *
 * @author jrobbins
 */
public class CrClassMustBeAbstract extends CrUML {

    /**
     * The constructor.
     *
     */
    public CrClassMustBeAbstract() {
        setupHeadAndDesc();
	addSupportedDecision(UMLDecision.INHERITANCE);
	addSupportedDecision(UMLDecision.METHODS);
	setKnowledgeTypes(Critic.KT_SEMANTICS);
    }

    /*
     * @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().isAClass(dm))) {
            return NO_PROBLEM;
        }
	if (Model.getFacade().isAbstract(dm)) {
            return NO_PROBLEM;
        }

	Iterator ops = Model.getFacade().getOperations(dm).iterator();
	while (ops.hasNext()) {
	    if (Model.getFacade().isAbstract(ops.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().getUMLClass());
        return ret;
    }
    
    /**
     * The UID.
     */
    private static final long serialVersionUID = -3881153331169214357L;
} /* end class CrClassMustBeAbstract */