codec/common/inc/WelsTask.h

/*!
 * \copy
 *     Copyright (c)  2009-2015, Cisco Systems
 *     All rights reserved.
 *
 *     Redistribution and use in source and binary forms, with or without
 *     modification, are permitted provided that the following conditions
 *     are met:
 *
 *        * Redistributions of source code must retain the above copyright
 *          notice, this list of conditions and the following disclaimer.
 *
 *        * Redistributions in binary form must reproduce the above copyright
 *          notice, this list of conditions and the following disclaimer in
 *          the documentation and/or other materials provided with the
 *          distribution.
 *
 *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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 *
 *
 * \file    WelsTask.h
 *
 * \brief   Interfaces introduced in thread pool
 *
 * \date    5/09/2012 Created
 *
 *************************************************************************************
 */

#ifndef _WELS_TASK_H_
#define _WELS_TASK_H_

#include "codec_def.h"

namespace WelsCommon {

class IWelsTaskSink {
 public:
  virtual int OnTaskExecuted() = 0;
  virtual int OnTaskCancelled() = 0;
};

class IWelsTask {
 public:
  IWelsTask (IWelsTaskSink* pSink) {
    m_pSink = pSink;
  };
  virtual ~IWelsTask() { }

  virtual int Execute() = 0;

  IWelsTaskSink* GetSink() {
    return m_pSink;
  };

 protected:
  IWelsTaskSink*   m_pSink;
};

}

#endif