Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/ui/behavior/collaborations/ActionSetClassifierRoleMultiplicity.java
// $Id: ActionSetClassifierRoleMultiplicity.java 15773 2008-09-22 23:37:17Z tfmorris $
// Copyright (c) 2003-2008 The Regents of the University of California. All
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// software and its documentation without fee, and without a written
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package org.argouml.uml.ui.behavior.collaborations;

import org.argouml.model.Model;
import org.argouml.uml.ui.ActionSetMultiplicity;


/**
 *
 * @author mkl
 *
 */
public class ActionSetClassifierRoleMultiplicity extends ActionSetMultiplicity {

    private static final ActionSetClassifierRoleMultiplicity SINGLETON =
        new ActionSetClassifierRoleMultiplicity();

    /**
     *
     */
    public ActionSetClassifierRoleMultiplicity() {
        super();
    }

    /*
     * @see org.argouml.uml.ui.ActionSetMultiplicity#setSelectedItem(
     *      java.lang.Object, java.lang.Object)
     */
    public void setSelectedItem(Object item, Object target) {
        if (target != null
                && Model.getFacade().isAClassifierRole(target)) {
            if (Model.getFacade().isAMultiplicity(item)) {
                if (!item.equals(Model.getFacade().getMultiplicity(target))) {
                    Model.getCoreHelper().setMultiplicity(target, item);
                }
            } else if (item instanceof String) {
                if (!item.equals(Model.getFacade().toString(
                        Model.getFacade().getMultiplicity(target)))) {
                    Model.getCoreHelper().setMultiplicity(
                            target,
                            Model.getDataTypesFactory().createMultiplicity(
                                    (String) item));
                }
            } else {
                Model.getCoreHelper().setMultiplicity(target, null);
            }
        }
    }

    /**
     * @return Returns the SINGLETON.
     */
    public static ActionSetClassifierRoleMultiplicity getInstance() {
        return SINGLETON;
    }
}
