1 /*
2  * Copyright (C) 2014 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 
17 package android.media;
18 
19 /**
20  * The AudioHandle is used by the audio framework implementation to
21  * uniquely identify a particular component of the routing topology
22  * (AudioPort or AudioPatch)
23  * It is not visible or used at the API.
24  */
25 class AudioHandle {
26     private final int mId;
27 
AudioHandle(int id)28     AudioHandle(int id) {
29         mId = id;
30     }
31 
id()32     int id() {
33         return mId;
34     }
35 
36     @Override
equals(Object o)37     public boolean equals(Object o) {
38         if (o == null || !(o instanceof AudioHandle)) {
39             return false;
40         }
41         AudioHandle ah = (AudioHandle)o;
42         return mId == ah.id();
43     }
44 
45     @Override
hashCode()46     public int hashCode() {
47         return mId;
48     }
49 
50     @Override
toString()51     public String toString() {
52         return Integer.toString(mId);
53     }
54 }
55