Bug 127861 [DataBinding] Mark API provisional
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/databinding/updatables/CalculatedValue.java
/*******************************************************************************
 * Copyright (c) 2006 IBM Corporation and others.
 * 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:
 *     The Pampered Chef - Initial API and implementation
 ******************************************************************************/
package org.eclipse.jface.databinding.updatables;
import org.eclipse.jface.databinding.ChangeEvent;
import org.eclipse.jface.databinding.IChangeListener;
import org.eclipse.jface.databinding.IDataBindingContext;
import org.eclipse.jface.databinding.IUpdatable;
import org.eclipse.jface.databinding.UpdatableValue;
/**
 * An IUpdatableValue implementation that represents a calculated value
 * that depends on the values of other IUpdatables.
 * <p>
 * Exposes an IChangeListener that may be added to objects on which this 
 * calculation depends.
 * 
 * @since 3.2
 */
public abstract class CalculatedValue extends UpdatableValue {