// $Id: CrTooManyOper.java,v 1.12 2004/09/21 19:03:27 mvw Exp $
// Copyright (c) 1996-99 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,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

// File: CrTooManyOper.java
// Classes: CrTooManyOper
// Original Author: jrobbins@ics.uci.edu
// $Id: CrTooManyOper.java,v 1.12 2004/09/21 19:03:27 mvw Exp $

package org.argouml.uml.cognitive.critics;

import java.util.Collection;
import java.util.Iterator;
import org.argouml.cognitive.Designer;
import org.argouml.model.ModelFacade;
/** A critic to detect when a classifier has to many operations). 
 *  TODO: exclude getter and setter operations from count
 */

public class CrTooManyOper extends CrUML {

    private static final String THRESHOLD = "Threshold";

    /**
     * The constructor.
     * 
     */
    public CrTooManyOper() {
	setHeadline("Reduce Operations on self");
	addSupportedDecision(CrUML.DEC_METHODS);
	setArg(THRESHOLD, new Integer(20));
	addTrigger("behavioralFeature");
    }

    /**
     * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(
     * java.lang.Object, org.argouml.cognitive.Designer)
     */
    public boolean predicate2(Object dm, Designer dsgr) {
	if (!(ModelFacade.isAClassifier(dm))) return NO_PROBLEM;
	Object cls = /*(MClassifier)*/ dm;
	// TODO: consider inherited attributes?
	int threshold = ((Integer) getArg(THRESHOLD)).intValue();
	Collection str = ModelFacade.getFeatures(cls);
	if (str == null) return NO_PROBLEM;
	int n = 0;
	for (Iterator iter = str.iterator(); iter.hasNext();) {
	    if (ModelFacade.isABehavioralFeature(iter.next()))
		n++;
	}
	if (n <= threshold) return NO_PROBLEM;
	return PROBLEM_FOUND;
    }

} /* end class CrTooManyOper */