org.eclipse.papyrus.uml.diagram.activity.activitygroup.functions.FromIGroupNotifierToEObject.java Source code

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Here is the source code for org.eclipse.papyrus.uml.diagram.activity.activitygroup.functions.FromIGroupNotifierToEObject.java

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/*****************************************************************************
 * Copyright (c) 2011 Atos.
 *
 *    
 * 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:
 *   Arthur Daussy (Atos) - Initial API and implementation
 *   Arthur Daussy - 371712 : 372745: [ActivityDiagram] Major refactoring group framework
 *
 *****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.activitygroup.functions;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.uml.diagram.activity.activitygroup.editpolicy.notifiers.IGroupNotifier;

import com.google.common.base.Function;
import com.google.common.collect.Iterables;

/**
 * Transform an IGroupNotifier to an EObject they reference
 * 
 * @author adaussy
 * 
 */
public class FromIGroupNotifierToEObject implements Function<IGroupNotifier, EObject> {

    FromIGroupNotifierToEObject() {
    }

    /**
     * @author adaussy
     * 
     */
    private static class SingletonHolder {

        public static final FromIGroupNotifierToEObject INSTANCE = new FromIGroupNotifierToEObject();
    }

    /**
     * Get the singleton object
     * 
     * @return
     */
    public static FromIGroupNotifierToEObject getInstance() {
        return SingletonHolder.INSTANCE;
    }

    public static Iterable<EObject> transform(Iterable<IGroupNotifier> from) {
        return Iterables.transform(from, FromIGroupNotifierToEObject.getInstance());
    }

    public EObject apply(IGroupNotifier from) {
        return from.getEObject();
    }
}