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 import android.compat.annotation.UnsupportedAppUsage;
20 
21 /**
22  * The AudioHandle is used by the audio framework implementation to
23  * uniquely identify a particular component of the routing topology
24  * (AudioPort or AudioPatch)
25  * It is not visible or used at the API.
26  */
27 class AudioHandle {
28     @UnsupportedAppUsage
29     private final int mId;
30 
31     @UnsupportedAppUsage
AudioHandle(int id)32     AudioHandle(int id) {
33         mId = id;
34     }
35 
id()36     int id() {
37         return mId;
38     }
39 
40     @Override
equals(Object o)41     public boolean equals(Object o) {
42         if (o == null || !(o instanceof AudioHandle)) {
43             return false;
44         }
45         AudioHandle ah = (AudioHandle)o;
46         return mId == ah.id();
47     }
48 
49     @Override
hashCode()50     public int hashCode() {
51         return mId;
52     }
53 
54     @Override
toString()55     public String toString() {
56         return Integer.toString(mId);
57     }
58 }
59