| /* |
| * Copyright 2010 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 ServiceLocator provides instances of a type specified by a {@link Service} |
| * when {@link Request} methods declared in a {@link RequestContext}are mapped |
| * onto instance (non-static) methods. |
| * <p> |
| * ServiceLocator subtypes must be default instantiable (i.e. public static |
| * types with a no-arg constructor). Instances of ServiceLocators may be |
| * retained and reused by the RequestFactory service layer. |
| * |
| * @see Service#locator() |
| */ |
| public interface ServiceLocator { |
| /** |
| * Returns an instance of the service object. |
| * |
| * @param clazz the requested type of service object |
| * @return an instance of the service object |
| */ |
| Object getInstance(Class<?> clazz); |
| } |