1 /**
2  * Copyright (C) 2008 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 
18 package com.google.inject.multibindings;
19 
20 import static java.lang.annotation.RetentionPolicy.RUNTIME;
21 
22 import com.google.inject.BindingAnnotation;
23 
24 import java.lang.annotation.Retention;
25 
26 /**
27  * An internal binding annotation applied to each element in a multibinding.
28  * All elements are assigned a globally-unique id to allow different modules
29  * to contribute multibindings independently.
30  *
31  * @author jessewilson@google.com (Jesse Wilson)
32  */
33 @Retention(RUNTIME) @BindingAnnotation
34 @interface Element {
35 
36   enum Type {
37     MAPBINDER,
38     MULTIBINDER,
39     OPTIONALBINDER;
40   }
41 
setName()42   String setName();
uniqueId()43   int uniqueId();
type()44   Type type();
keyType()45   String keyType();
46 }
47