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 com.example.android.mediabrowserservice.model;
18 
19 import android.media.MediaMetadata;
20 import android.text.TextUtils;
21 
22 /**
23  * Holder class that encapsulates a MediaMetadata and allows the actual metadata to be modified
24  * without requiring to rebuild the collections the metadata is in.
25  */
26 public class MutableMediaMetadata {
27 
28     public MediaMetadata metadata;
29     public final String trackId;
30 
MutableMediaMetadata(String trackId, MediaMetadata metadata)31     public MutableMediaMetadata(String trackId, MediaMetadata metadata) {
32         this.metadata = metadata;
33         this.trackId = trackId;
34     }
35 
36     @Override
equals(Object o)37     public boolean equals(Object o) {
38         if (this == o) {
39             return true;
40         }
41         if (o == null || o.getClass() != MutableMediaMetadata.class) {
42             return false;
43         }
44 
45         MutableMediaMetadata that = (MutableMediaMetadata) o;
46 
47         return TextUtils.equals(trackId, that.trackId);
48     }
49 
50     @Override
hashCode()51     public int hashCode() {
52         return trackId.hashCode();
53     }
54 }
55