ScopeAnnotation


1   /**
2    * Copyright (C) 2006 Google Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.google.inject;
18  
19  import java.lang.annotation.Target  ;
20  import java.lang.annotation.ElementType  ;
21  import java.lang.annotation.Retention  ;
22  import java.lang.annotation.RetentionPolicy  ;
23  import static java.lang.annotation.RetentionPolicy  .*;
24  import static java.lang.annotation.ElementType  .*;
25  
26  /**
27   * Annotates annotations which are used for scoping. Only one such annotation
28   * may apply to a single implementation class. You must also annotate scope
29   * annotations with {@code @Retention(RUNTIME)}. For example:
30   *
31   * <pre>
32   *   {@code @}Retention(RUNTIME)
33   *   {@code @}Target(TYPE)
34   *   {@code @}ScopeAnnotation
35   *   public {@code @}interface SessionScoped {}
36   * </pre>
37   *
38   * @author crazybob@google.com (Bob Lee)
39   */
40  @Target  (ANNOTATION_TYPE)
41  @Retention  (RUNTIME)
42  public @interface ScopeAnnotation {}
43

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