Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/cognitive/critics/CrCompInstanceWithoutNode.java
// $Id: CrCompInstanceWithoutNode.java 13842 2007-11-26 00:31:27Z tfmorris $
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package org.argouml.uml.cognitive.critics;

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

import org.argouml.cognitive.Designer;
import org.argouml.cognitive.ListSet;
import org.argouml.cognitive.ToDoItem;
import org.argouml.model.Model;
import org.argouml.uml.cognitive.UMLDecision;
import org.argouml.uml.cognitive.UMLToDoItem;
import org.argouml.uml.diagram.deployment.ui.FigComponentInstance;
import org.argouml.uml.diagram.deployment.ui.FigNodeInstance;
import org.argouml.uml.diagram.deployment.ui.UMLDeploymentDiagram;

/**
 * A critic to detect when there are component-instances that
 * are not inside a node-instance
 *
 * @author 5eichler
 */
public class CrCompInstanceWithoutNode extends CrUML {

    /**
     * The constructor.
     */
    public CrCompInstanceWithoutNode() {
        setupHeadAndDesc();
	addSupportedDecision(UMLDecision.PATTERNS);
    }

    /*
     * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(
     *      java.lang.Object, org.argouml.cognitive.Designer)
     */
    public boolean predicate2(Object dm, Designer dsgr) {
	if (!(dm instanceof UMLDeploymentDiagram)) return NO_PROBLEM;
	UMLDeploymentDiagram dd = (UMLDeploymentDiagram) dm;
	ListSet offs = computeOffenders(dd);
	if (offs == null) return NO_PROBLEM;
	return PROBLEM_FOUND;
    }

    /*
     * @see org.argouml.cognitive.critics.Critic#toDoItem(java.lang.Object,
     *      org.argouml.cognitive.Designer)
     */
    public ToDoItem toDoItem(Object dm, Designer dsgr) {
	UMLDeploymentDiagram dd = (UMLDeploymentDiagram) dm;
	ListSet offs = computeOffenders(dd);
	return new UMLToDoItem(this, offs, dsgr);
    }

    /*
     * @see org.argouml.cognitive.Poster#stillValid(
     *      org.argouml.cognitive.ToDoItem, org.argouml.cognitive.Designer)
     */
    public boolean stillValid(ToDoItem i, Designer dsgr) {
	if (!isActive()) return false;
	ListSet offs = i.getOffenders();
	UMLDeploymentDiagram dd = (UMLDeploymentDiagram) offs.get(0);
	//if (!predicate(dm, dsgr)) return false;
	ListSet newOffs = computeOffenders(dd);
	boolean res = offs.equals(newOffs);
	return res;
    }

    /**
     * If there are component-instances that have no enclosing FigMNodeInstance
     * the returned ListSet is not null. Then in the ListSet
     * are the UMLDeploymentDiagram and all FigComponentInstances with no
     * enclosing FigMNodeInstance
     *
     * @param deploymentDiagram the diagram to check
     * @return the set of offenders
     */
    public ListSet computeOffenders(UMLDeploymentDiagram deploymentDiagram) {

	Collection figs = deploymentDiagram.getLayer().getContents();
	ListSet offs = null;
	boolean isNode = false;
        Iterator it = figs.iterator();
        Object obj = null;
	while (it.hasNext()) {
	    obj = it.next();
	    if (obj instanceof FigNodeInstance) {
                isNode = true;
            }
	}
        it = figs.iterator();
	while (it.hasNext()) {
	    obj = it.next();
	    if (!(obj instanceof FigComponentInstance)) {
                continue;
            }
	    FigComponentInstance fc = (FigComponentInstance) obj;
	    if ((fc.getEnclosingFig() == null) && isNode) {
		if (offs == null) {
		    offs = new ListSet();
		    offs.add(deploymentDiagram);
		}
		offs.add(fc);
	    } else if (fc.getEnclosingFig() != null
		     && ((Model.getFacade().getNodeInstance(fc.getOwner()))
			 == null)) {
		if (offs == null) {
		    offs = new ListSet();
		    offs.add(deploymentDiagram);
		}
		offs.add(fc);
	    }

	}

	return offs;
    }

}

