1 /*! 2 * \copy 3 * Copyright (c) 2009-2015, Cisco Systems 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * 32 * \file WelsTask.h 33 * 34 * \brief Interfaces introduced in thread pool 35 * 36 * \date 5/09/2012 Created 37 * 38 ************************************************************************************* 39 */ 40 41 #ifndef _WELS_TASK_H_ 42 #define _WELS_TASK_H_ 43 44 #include "codec_def.h" 45 46 namespace WelsCommon { 47 48 class IWelsTaskSink { 49 public: 50 virtual int OnTaskExecuted() = 0; 51 virtual int OnTaskCancelled() = 0; 52 }; 53 54 class IWelsTask { 55 public: IWelsTask(IWelsTaskSink * pSink)56 IWelsTask (IWelsTaskSink* pSink) { 57 m_pSink = pSink; 58 }; ~IWelsTask()59 virtual ~IWelsTask() { } 60 61 virtual int Execute() = 0; 62 GetSink()63 IWelsTaskSink* GetSink() { 64 return m_pSink; 65 }; 66 67 protected: 68 IWelsTaskSink* m_pSink; 69 }; 70 71 } 72 73 #endif 74 75 76