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 import java.util.ArrayList; 24 import java.util.Collections; 25 import java.util.List; 26 27 @AnyThread 28 public class Playlist { 29 private final long mId; 30 31 // TODO(b/123706949) Lock mutable fields to ensure consistent updates 32 private String mName; 33 private final List<Audio> mAudios = new ArrayList<>(); 34 private boolean mLoaded; 35 Playlist(long id)36 Playlist(long id) { 37 mId = id; 38 } 39 getId()40 public long getId() { 41 return mId; 42 } 43 getName()44 public @Nullable String getName() { 45 return mName; 46 } 47 getAudios()48 public @NonNull List<Audio> getAudios() { 49 return Collections.unmodifiableList(mAudios); 50 } 51 setName(@onNull String name)52 boolean setName(@NonNull String name) { 53 if (name.equals(mName)) { 54 return false; 55 } 56 mName = name; 57 return true; 58 } 59 addAudio(@onNull Audio audio)60 boolean addAudio(@NonNull Audio audio) { 61 if (mAudios.contains(audio)) { 62 return false; 63 } 64 return mAudios.add(audio); 65 } 66 isLoaded()67 boolean isLoaded() { 68 return mLoaded; 69 } 70 setLoaded()71 void setLoaded() { 72 mLoaded = true; 73 } 74 75 @Override equals(@ullable Object obj)76 public final boolean equals(@Nullable Object obj) { 77 return obj instanceof Playlist && mId == ((Playlist) obj).mId; 78 } 79 80 @Override hashCode()81 public final int hashCode() { 82 return (int) (mId ^ (mId >>> 32)); 83 } 84 } 85