| /******************************************************************************* |
| * Copyright (c) 2007 Brad Reynolds 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: |
| * Brad Reynolds - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.databinding.conformance.delegate; |
| |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| |
| /** |
| * Abstract implementation of {@link IObservableValueContractDelegate}. |
| * |
| * @since 1.1 |
| */ |
| public abstract class AbstractObservableValueContractDelegate extends |
| AbstractObservableContractDelegate implements |
| IObservableValueContractDelegate { |
| |
| /** |
| * Invokes {@link #createObservableValue(Realm)}. |
| * @param realm |
| * @return observable |
| */ |
| public final IObservable createObservable(Realm realm) { |
| return createObservableValue(realm); |
| } |
| |
| /** |
| * Default implementation returns <code>null</code>. |
| * @param observable |
| * @return value type |
| */ |
| public Object getValueType(IObservableValue observable) { |
| // no op |
| return null; |
| } |
| |
| /** |
| * Default implementation returns <code>null</code>. |
| * @param observable |
| * @return value |
| */ |
| public Object createValue(IObservableValue observable) { |
| //no op |
| return null; |
| } |
| } |