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