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Java > Open Source Codes > com > google > inject > BindingAnnotation


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.ElementType JavaDoc;
20 import java.lang.annotation.Retention JavaDoc;
21 import static java.lang.annotation.RetentionPolicy.RUNTIME JavaDoc;
22 import java.lang.annotation.Target JavaDoc;
23 import static java.lang.annotation.ElementType JavaDoc.*;
24
25 /**
26  * Annotates annotations which are used for binding. Only one such annotation
27  * may apply to a single injection point. You must also annotate binder
28  * annotations with {@code @Retention(RUNTIME)}. For example:
29  *
30  * <pre>
31  * {@code @}Retention(RUNTIME)
32  * {@code @}Target({ FIELD, PARAMETER })
33  * {@code @}BindingAnnotation
34  * public {@code @}interface Transactional {}
35  * </pre>
36  *
37  * @author crazybob@google.com (Bob Lee)
38  */

39 @Target JavaDoc(ANNOTATION_TYPE)
40 @Retention JavaDoc(RUNTIME)
41 public @interface BindingAnnotation {}
42
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