| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.web.bindery.requestfactory.shared; |
| |
| /** |
| * A {@link Locator} for use with value types (as opposed to entities), which |
| * are not persisted. Abstract methods from the {@link Locator} class that are |
| * not relevant for value types are implemented to return {@code null}. |
| * |
| * @param <T> the type of domain object the Locator will operate on |
| */ |
| public abstract class ValueLocator<T> extends Locator<T, Void> { |
| |
| /** |
| * Returns {@code null}. |
| */ |
| @Override |
| public final Class<T> getDomainType() { |
| return null; |
| } |
| |
| /** |
| * Returns {@code null}. |
| */ |
| @Override |
| public final Void getId(T domainObject) { |
| return null; |
| } |
| |
| /** |
| * Returns {@code null}. |
| */ |
| @Override |
| public final Class<Void> getIdType() { |
| return null; |
| } |
| |
| /** |
| * Returns {@code null}. |
| */ |
| @Override |
| public final Object getVersion(T domainObject) { |
| return null; |
| } |
| } |