| /** |
| * Copyright (C) 2006 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.inject; |
| |
| import static java.lang.annotation.ElementType.CONSTRUCTOR; |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.ElementType.METHOD; |
| import java.lang.annotation.Retention; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| import java.lang.annotation.Target; |
| |
| /** |
| * <p>Annotates members which should have their value[s] injected. |
| * |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| @Target({ METHOD, CONSTRUCTOR, FIELD }) |
| @Retention(RUNTIME) |
| public @interface Inject { |
| |
| /** |
| * Indicates whether injection at the target is optional or not. The default |
| * is {@code false}. Can be used on methods and fields. If a method has |
| * multiple parameters and one parameter binding is missing, the method |
| * won't be invoked at all. Not applicable to constructors or other |
| * annotations. |
| */ |
| boolean optional() default false; |
| } |