1 /*
2  * Copyright (C) 2009 The JSR-330 Expert Group
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 javax.inject;
18 
19 import java.lang.annotation.Documented;
20 import java.lang.annotation.Retention;
21 import static java.lang.annotation.RetentionPolicy.RUNTIME;
22 
23 /**
24  * Identifies a type that the injector only instantiates once. Not inherited.
25  *
26  * @see javax.inject.Scope @Scope
27  */
28 @Scope
29 @Documented
30 @Retention(RUNTIME)
31 public @interface Singleton {}
32