Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/cognitive/critics/CrNoTriggerOrGuard.java
// $Id: CrNoTriggerOrGuard.java 15512 2008-08-05 17:33:53Z maurelio1234 $
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package org.argouml.uml.cognitive.critics;

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 that checks for missing trigger and/or guard.
 *
 *
 * @author jrobbins
 */
public class CrNoTriggerOrGuard extends CrUML {

    /**
     * The constructor.
     */
    public CrNoTriggerOrGuard() {
        setupHeadAndDesc();
	addSupportedDecision(UMLDecision.STATE_MACHINES);
	setKnowledgeTypes(Critic.KT_COMPLETENESS);
	addTrigger("trigger");
	addTrigger("guard");
    }

    /*
     * @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().isATransition(dm))) {
            return NO_PROBLEM;
        }
	
        Object transition = /*(MTransition)*/ dm;
        Object target = Model.getFacade().getTarget(transition);

        if (!(Model.getFacade().isAPseudostate(target))) {
            return NO_PROBLEM;
        }

	Object trigger = Model.getFacade().getTrigger(transition);
	Object guard = Model.getFacade().getGuard(transition);
	Object source = Model.getFacade().getSource(transition);
	
	
	//	 WFR Transitions, OMG UML 1.3
	Object k = Model.getFacade().getKind(target);
	if (Model.getFacade().
            equalsPseudostateKind(k,
                    Model.getPseudostateKind().getJoin())) {
            return NO_PROBLEM;
        }
	if (!(Model.getFacade().isAState(source))) {
            return NO_PROBLEM;
        }
	if (Model.getFacade().getDoActivity(source) != null) {
            return NO_PROBLEM;
        }
	boolean hasTrigger =
	    (trigger != null
            && Model.getFacade().getName(trigger) != null
            && Model.getFacade().getName(trigger).length() > 0);
	if (hasTrigger) {
            return NO_PROBLEM;
        }
	boolean noGuard =
            (guard == null
            || Model.getFacade().getExpression(guard) == null
            || Model.getFacade().getBody(
                Model.getFacade().getExpression(guard)) == null
            || Model
                .getFacade().getBody(Model.getFacade().getExpression(guard))
                .toString().length() == 0);
	if (noGuard) {
            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().getTransition());
        return ret;
    }
    
    /**
     * The UID.
     */
    private static final long serialVersionUID = -301548543890007262L;
}
