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
17package 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 */
25class AudioHandle {
26    private final int mId;
27
28    AudioHandle(int id) {
29        mId = id;
30    }
31
32    int id() {
33        return mId;
34    }
35
36    @Override
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
46    public int hashCode() {
47        return mId;
48    }
49
50    @Override
51    public String toString() {
52        return Integer.toString(mId);
53    }
54}
55