/**  Implementation file to open a CDAS format data file on disk
     
  \author Troy Porter
  \date 01 July 2003
  \version $Id: CDASEventFile.h 14717 2009-09-17 20:24:36Z lukas $
*/

#ifndef _io_CDASEventFile_h_
#define _io_CDASEventFile_h_

#include <io/VROOTFile.h>


static const char CvsId_io_CDASEventFile[] =
  "$Id: CDASEventFile.h 14717 2009-09-17 20:24:36Z lukas $";


namespace io {

 /**
    \class CDASEventFile

    \brief Interface for CDAS file reading
           
    \author Troy Porter
    \date 31 Jan 2004
    \ingroup cdas
  */

  
  class CDASEventFile : public VROOTFile {
    
  public:
    CDASEventFile();
    CDASEventFile(const std::string& theFilename, const Mode theMode = eRead);
    virtual ~CDASEventFile();

    void Open(const std::string& theFilename, const Mode theMode = eRead);

    void Close();
    
    Status Read(evt::Event& theEvent);
    void Write(const evt::Event& theEvent);
    Status FindEvent(const unsigned int eventId);
    Status GotoPosition(const unsigned int position);
    int GetNEvents();

  private:
    int fCurrentEvent;

  };

}


#endif

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