| /******************************************************************************* |
| * Copyright (c) 2009 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.utility.internal.model.value; |
| |
| import org.eclipse.jpt.utility.model.event.PropertyChangeEvent; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel; |
| |
| /** |
| * A simple implementation of {@link WritablePropertyValueModel} that actually |
| * ... <i>isn't</i> ... writable. It can however be used in places that require a |
| * {@link WritablePropertyValueModel} and where the developer is sure that no |
| * attempt will be made to write to it. |
| */ |
| public class ReadOnlyWritablePropertyValueModelWrapper<T> |
| extends PropertyValueModelWrapper<T> |
| implements WritablePropertyValueModel<T> |
| { |
| public ReadOnlyWritablePropertyValueModelWrapper(PropertyValueModel<? extends T> valueHolder) { |
| super(valueHolder); |
| } |
| |
| |
| public T getValue() { |
| return this.valueHolder.getValue(); |
| } |
| |
| public void setValue(T value) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| protected void valueChanged(PropertyChangeEvent event) { |
| firePropertyChanged(event.clone(this)); |
| } |
| } |