1 /* 2 * Copyright 2018 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.android.pump.db; 18 19 import android.net.Uri; 20 21 import androidx.annotation.AnyThread; 22 import androidx.annotation.NonNull; 23 import androidx.annotation.Nullable; 24 25 import java.util.ArrayList; 26 import java.util.Collections; 27 import java.util.List; 28 29 @AnyThread 30 public class Album { 31 private final long mId; 32 33 // TODO(b/123706949) Lock mutable fields to ensure consistent updates 34 private String mTitle; 35 private String mDescription; 36 private Uri mAlbumArtUri; 37 private Artist mArtist; 38 private final List<Audio> mAudios = new ArrayList<>(); 39 private boolean mLoaded; 40 Album(long id)41 Album(long id) { 42 mId = id; 43 } 44 getId()45 public long getId() { 46 return mId; 47 } 48 getTitle()49 public @Nullable String getTitle() { 50 return mTitle; 51 } 52 getAlbumArtUri()53 public @Nullable Uri getAlbumArtUri() { 54 return mAlbumArtUri; 55 } 56 getArtist()57 public @Nullable Artist getArtist() { 58 return mArtist; 59 } 60 getAudios()61 public @NonNull List<Audio> getAudios() { 62 return Collections.unmodifiableList(mAudios); 63 } 64 getDescription()65 public @Nullable String getDescription() { 66 return mDescription; 67 } 68 setAlbumArtUri(@onNull Uri albumArtUri)69 public boolean setAlbumArtUri(@NonNull Uri albumArtUri) { 70 if (albumArtUri.equals(mAlbumArtUri)) { 71 return false; 72 } 73 mAlbumArtUri = albumArtUri; 74 return true; 75 } 76 setDescription(@onNull String description)77 public boolean setDescription(@NonNull String description) { 78 if (description.equals(mDescription)) { 79 return false; 80 } 81 mDescription = description; 82 return true; 83 } 84 setTitle(@onNull String title)85 boolean setTitle(@NonNull String title) { 86 if (title.equals(mTitle)) { 87 return false; 88 } 89 mTitle = title; 90 return true; 91 } 92 setArtist(@onNull Artist artist)93 boolean setArtist(@NonNull Artist artist) { 94 if (artist.equals(mArtist)) { 95 return false; 96 } 97 mArtist = artist; 98 return true; 99 } 100 addAudio(@onNull Audio audio)101 boolean addAudio(@NonNull Audio audio) { 102 if (mAudios.contains(audio)) { 103 return false; 104 } 105 return mAudios.add(audio); 106 } 107 isLoaded()108 boolean isLoaded() { 109 return mLoaded; 110 } 111 setLoaded()112 void setLoaded() { 113 mLoaded = true; 114 } 115 116 @Override equals(@ullable Object obj)117 public final boolean equals(@Nullable Object obj) { 118 return obj instanceof Album && mId == ((Album) obj).mId; 119 } 120 121 @Override hashCode()122 public final int hashCode() { 123 return (int) (mId ^ (mId >>> 32)); 124 } 125 } 126