CORBASink.h

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/* ======================================================================== 
 * Copyright (C) 2006  Graz University of Technology
 *
 * This framework is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this framework; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For further information please contact 
 * Dieter Schmalstieg
 * <schmalstieg@icg.tu-graz.ac.at>
 * Graz University of Technology, 
 * Institut for Computer Graphics and Vision,
 * Inffeldgasse 16a, 8010 Graz, Austria.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
 /* ======================================================================= */

#ifndef _CORBASINK_H
#define _CORBASINK_H

#include <OpenTracker/OpenTracker.h>
#include <OpenTracker/tool/OT_ACE_Log.h>
#include <OpenTracker/skeletons/OT_CORBA.hh>
#include <OpenTracker/network/CORBAUtils.h>
namespace ot {

class CORBAModule;

class OPENTRACKER_API CORBASink : public Node
{
// Members
public:
  OT_CORBA::Node_var corba_sink;
    int frequency;
    int cycle;
    

// Methods
protected:
    CORBASink() :
      frequency( 1 ),
      cycle( 0 ) 
        {
          // empty default constructor
        };

    CORBASink( OT_CORBA::Node_var corba_sink_, int frequency_) :
        Node(), 
        corba_sink( corba_sink_ ),
        frequency( frequency_ ),
        cycle ( 0 )
    {}
        virtual ~CORBASink() {
      // CORBASink destructor
          std::cout << "CORBASink destructor" << std::endl;
        }

public:
    virtual int isEventGenerator()
    {
      return 1;
      //return 0;
    }
    
    virtual void onEventGenerated( Event& event, Node& generator)
    {
      //logPrintI("CORBASink::onEventGenerated %d %d\n", cycle, frequency);
      if ((cycle++ % frequency) == 0) {
        OT_CORBA::Event corba_event = event.getCORBAEvent();
        //CORBAUtils::convertToCORBAEvent(event, corba_event);
        try {
          corba_sink->setEvent(corba_event);
        }
        catch (CORBA::COMM_FAILURE) {
          std::cerr << "Caught CORBA::COMM_FAILURE" << std::endl;
        }
        catch (CORBA::TRANSIENT) {
          std::cerr << "Caught CORBA::TRANSIENT" << std::endl;
        }
        updateObservers( event );
      }
    }
    
    friend class CORBAModule;
};

}

#endif

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