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 androidx.annotation.AnyThread; 20 import androidx.annotation.NonNull; 21 import androidx.annotation.Nullable; 22 23 @AnyThread 24 public class Audio { 25 private final long mId; 26 private final String mMimeType; 27 28 // TODO(b/123706949) Lock mutable fields to ensure consistent updates 29 private String mTitle; 30 private Artist mArtist; 31 private Album mAlbum; 32 private boolean mLoaded; 33 Audio(long id, @NonNull String mimeType)34 Audio(long id, @NonNull String mimeType) { 35 mId = id; 36 mMimeType = mimeType; 37 } 38 getId()39 public long getId() { 40 return mId; 41 } 42 getMimeType()43 public @NonNull String getMimeType() { 44 return mMimeType; 45 } 46 getTitle()47 public @Nullable String getTitle() { 48 return mTitle; 49 } 50 getArtist()51 public @Nullable Artist getArtist() { 52 return mArtist; 53 } 54 getAlbum()55 public @Nullable Album getAlbum() { 56 return mAlbum; 57 } 58 setTitle(@onNull String title)59 boolean setTitle(@NonNull String title) { 60 if (title.equals(mTitle)) { 61 return false; 62 } 63 mTitle = title; 64 return true; 65 } 66 setArtist(@onNull Artist artist)67 boolean setArtist(@NonNull Artist artist) { 68 if (artist.equals(mArtist)) { 69 return false; 70 } 71 mArtist = artist; 72 return true; 73 } 74 setAlbum(@onNull Album album)75 boolean setAlbum(@NonNull Album album) { 76 if (album.equals(mAlbum)) { 77 return false; 78 } 79 mAlbum = album; 80 return true; 81 } 82 isLoaded()83 boolean isLoaded() { 84 return mLoaded; 85 } 86 setLoaded()87 void setLoaded() { 88 mLoaded = true; 89 } 90 91 @Override equals(@ullable Object obj)92 public final boolean equals(@Nullable Object obj) { 93 return obj instanceof Audio && mId == ((Audio) obj).mId; 94 } 95 96 @Override hashCode()97 public final int hashCode() { 98 return (int) (mId ^ (mId >>> 32)); 99 } 100 } 101