org.eclipse.osbp.runtime.web.vaadin.databinding/src/org/eclipse/osbp/runtime/web/vaadin/databinding/values/VaadinObservableSetDecorator.java

/**
 * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *         Florian Pirchner - Initial implementation
 */
package org.eclipse.osbp.runtime.web.vaadin.databinding.values;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObserving;
import org.eclipse.core.databinding.observable.set.DecoratingObservableSet;
import org.eclipse.core.databinding.observable.set.IObservableSet;

// TODO: Auto-generated Javadoc
/**
 * The Class VaadinObservableSetDecorator.
 */
public class VaadinObservableSetDecorator extends DecoratingObservableSet
		implements IVaadinObservableSet {

	/**
	 * Instantiates a new vaadin observable set decorator.
	 *
	 * @param decorated
	 *            the decorated
	 */
	public VaadinObservableSetDecorator(IObservableSet decorated) {
		super(decorated, true);
	}

	/**
	 * Gets the observed.
	 *
	 * @return the observed
	 */
	public Object getObserved() {
		IObservable decorated = getDecorated();
		if (decorated instanceof IObserving) {
			return ((IObserving) decorated).getObserved();
		}
		return null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.web.vaadin.databinding.values.IVaadinObservableSet#getSource()
	 */
	@Override
	public Object getSource() {
		return getObserved();
	}

}