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Updater.h

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#ifndef _Updater_h_
#define _Updater_h_

#include <pthread.h>
#include <list>

class DQMOldReceiver;
namespace dqm
{
  class UpdateObserver;

  class Updater
    {
    private:
      typedef std::list<dqm::UpdateObserver *> olist;
      typedef olist::const_iterator obi;
      pthread_t worker;
      DQMOldReceiver *mui; 
      olist obs_;
      bool observed;
      bool running;

    public:
      
      Updater(DQMOldReceiver *the_mui);
      
      ~Updater()
        {
          pthread_cancel( worker );
        }
      
      void registerObserver(dqm::UpdateObserver *);

      void request_update();
      
      static void *start(void *pthis);
      
      void setRunning()
        { 
          running = true; 
        }

      bool checkRunning() const 
        {
          return running;
        }

      void setStopped()
        {
          running=false;
        }

    };
}

#endif

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