| /******************************************************************************* |
| * 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: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.internal.databinding.provisional.observable.mapping; |
| |
| import java.util.Set; |
| |
| import org.eclipse.jface.internal.databinding.provisional.observable.set.IObservableSet; |
| |
| /** |
| * @since 1.0 |
| * |
| */ |
| public interface IBidirectionalMapping extends IObservableMapping { |
| |
| /** |
| * Returns the current set of actual results of the function. Callers can |
| * register listeners on this set to respond to changes in the range of the |
| * function. |
| * |
| * @return the set of possible results of the function. |
| */ |
| public IObservableSet getRange(); |
| |
| /** |
| * Returns the set of elements in the domain that map onto the given value |
| * from the range. That is, it returns the set of objects that you can pass |
| * to getFunctionValue that will end up returning the given value. |
| * |
| * @param value |
| * element from the range |
| * @return collection of all elements in the d |
| */ |
| public Set getDomainElementsForValue(Object value); |
| |
| } |
