1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 package org.chromium.mojo.system.impl; 6 7 import org.chromium.mojo.system.DataPipe.ConsumerHandle; 8 import org.chromium.mojo.system.DataPipe.ReadFlags; 9 import org.chromium.mojo.system.ResultAnd; 10 11 import java.nio.ByteBuffer; 12 13 /** 14 * Implementation of {@link ConsumerHandle}. 15 */ 16 class DataPipeConsumerHandleImpl extends HandleBase implements ConsumerHandle { 17 /** 18 * @see HandleBase#HandleBase(CoreImpl, int) 19 */ 20 DataPipeConsumerHandleImpl(CoreImpl core, int mojoHandle) { 21 super(core, mojoHandle); 22 } 23 24 /** 25 * @see HandleBase#HandleBase(HandleBase) 26 */ 27 DataPipeConsumerHandleImpl(HandleBase other) { 28 super(other); 29 } 30 31 /** 32 * @see org.chromium.mojo.system.Handle#pass() 33 */ 34 @Override 35 public ConsumerHandle pass() { 36 return new DataPipeConsumerHandleImpl(this); 37 } 38 39 /** 40 * @see ConsumerHandle#discardData(int, ReadFlags) 41 */ 42 @Override 43 public int discardData(int numBytes, ReadFlags flags) { 44 return mCore.discardData(this, numBytes, flags); 45 } 46 47 /** 48 * @see ConsumerHandle#readData(ByteBuffer, ReadFlags) 49 */ 50 @Override 51 public ResultAnd<Integer> readData(ByteBuffer elements, ReadFlags flags) { 52 return mCore.readData(this, elements, flags); 53 } 54 55 /** 56 * @see ConsumerHandle#beginReadData(int, ReadFlags) 57 */ 58 @Override 59 public ByteBuffer beginReadData(int numBytes, ReadFlags flags) { 60 return mCore.beginReadData(this, numBytes, flags); 61 } 62 63 /** 64 * @see ConsumerHandle#endReadData(int) 65 */ 66 @Override 67 public void endReadData(int numBytesRead) { 68 mCore.endReadData(this, numBytesRead); 69 } 70 } 71
