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 android.media; 18 19 import android.compat.annotation.UnsupportedAppUsage; 20 21 /** 22 * The AudioHandle is used by the audio framework implementation to 23 * uniquely identify a particular component of the routing topology 24 * (AudioPort or AudioPatch) 25 * It is not visible or used at the API. 26 */ 27 class AudioHandle { 28 @UnsupportedAppUsage 29 private final int mId; 30 31 @UnsupportedAppUsage AudioHandle(int id)32 AudioHandle(int id) { 33 mId = id; 34 } 35 id()36 int id() { 37 return mId; 38 } 39 40 @Override equals(Object o)41 public boolean equals(Object o) { 42 if (o == null || !(o instanceof AudioHandle)) { 43 return false; 44 } 45 AudioHandle ah = (AudioHandle)o; 46 return mId == ah.id(); 47 } 48 49 @Override hashCode()50 public int hashCode() { 51 return mId; 52 } 53 54 @Override toString()55 public String toString() { 56 return Integer.toString(mId); 57 } 58 } 59