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      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 
     31     public MutableMediaMetadata(String trackId, MediaMetadata metadata) {
     32         this.metadata = metadata;
     33         this.trackId = trackId;
     34     }
     35 
     36     @Override
     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
     51     public int hashCode() {
     52         return trackId.hashCode();
     53     }
     54 }
     55