| /******************************************************************************* |
| * Copyright (c) 2007, 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.common.utility.internal.model.value; |
| |
| import org.eclipse.jpt.common.utility.internal.model.AbstractModel; |
| import org.eclipse.jpt.common.utility.model.value.PropertyValueModel; |
| |
| /** |
| * Implementation of {@link PropertyValueModel} that can be used for |
| * returning a static value, but still allows listeners to be added. |
| * Listeners will <em>never</em> be notified of any changes, because there should be none. |
| */ |
| public class StaticPropertyValueModel<T> |
| extends AbstractModel |
| implements PropertyValueModel<T> |
| { |
| /** The value. */ |
| protected final T value; |
| |
| private static final long serialVersionUID = 1L; |
| |
| |
| /** |
| * Construct a static property value model for the specified value. |
| */ |
| public StaticPropertyValueModel(T value) { |
| super(); |
| this.value = value; |
| } |
| |
| |
| // ********** PropertyValueModel implementation ********** |
| |
| public T getValue() { |
| return this.value; |
| } |
| |
| |
| // ********** Object overrides ********** |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| sb.append(this.value); |
| } |
| |
| } |