1 /*
2  * Copyright (C) 2015 The Android Open Source Project
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 package androidx.annotation;
17 
18 import static java.lang.annotation.ElementType.CONSTRUCTOR;
19 import static java.lang.annotation.ElementType.METHOD;
20 import static java.lang.annotation.ElementType.PARAMETER;
21 import static java.lang.annotation.ElementType.TYPE;
22 import static java.lang.annotation.RetentionPolicy.CLASS;
23 
24 import java.lang.annotation.Documented;
25 import java.lang.annotation.Retention;
26 import java.lang.annotation.Target;
27 
28 /**
29  * Denotes that the annotated method should only be called on the binder thread.
30  * If the annotated element is a class, then all methods in the class should be called
31  * on the binder thread.
32  * <p>
33  * Example:
34  * <pre><code>
35  *  &#64;BinderThread
36  *  public BeamShareData createBeamShareData() { ... }
37  * </code></pre>
38  */
39 @Documented
40 @Retention(CLASS)
41 @Target({METHOD,CONSTRUCTOR,TYPE,PARAMETER})
42 public @interface BinderThread {
43 }