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Activity.cpp

//
// Activity.cpp
//
// $Id: //poco/1.2/Foundation/samples/Activity/src/Activity.cpp#1 $
//
// This sample demonstrates the Activity class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Activity.h"
#include "Poco/Thread.h"
#include <iostream>


using Poco::Activity;
using Poco::Thread;


class ActivityExample
{
public:
      ActivityExample():
            _activity(this, &ActivityExample::runActivity)
      {
      }
      
      void start()
      {
            _activity.start();
      }
      
      void stop()
      {
            _activity.stop();
            _activity.wait();
      }

protected:
      void runActivity()
      {
            while (!_activity.isStopped())
            {
                  std::cout << "Activity running." << std::endl;
                  Thread::sleep(250);
            }
            std::cout << "Activity stopped." << std::endl;
      }
      
private:
      Activity<ActivityExample> _activity;
};


int main(int argc, char** argv)
{
      ActivityExample example;
      example.start();
      Thread::sleep(2000);
      example.stop();

      example.start();
      example.stop();

      return 0;
}

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