JEventProcessor_2trackskim.cc

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//
// JEventProcessor_2trackskim.cc
//
// JANA event processor plugin to skim 2-track events to an EVIO file
//
// Paul Mattione, 19-November-2014

#include "JEventProcessor_2trackskim.h"

// for initializing plugins
extern "C" {
   void InitPlugin(JApplication *app)
   {
      InitJANAPlugin(app);
      app->AddProcessor(new JEventProcessor_2trackskim(), true);
   }
} // "extern C"

//-------------------------------
// init
//-------------------------------
jerror_t JEventProcessor_2trackskim::init(void)
{
   return NOERROR;
}

//-------------------------------
// brun
//-------------------------------
jerror_t JEventProcessor_2trackskim::brun(JEventLoop *locEventLoop, int32_t runnumber)
{
   return NOERROR;
}

//-------------------------------
// evnt
//-------------------------------
jerror_t JEventProcessor_2trackskim::evnt(JEventLoop *locEventLoop, uint64_t eventnumber)
{

   const DEventWriterEVIO* locEventWriterEVIO = NULL;
   locEventLoop->GetSingle(locEventWriterEVIO);

   //Save EPICS events
   vector<const DEPICSvalue*> locEPICSValues;
   locEventLoop->Get(locEPICSValues);
   if(!locEPICSValues.empty())
   {
      locEventWriterEVIO->Write_EVIOEvent(locEventLoop, "2tracks");
      return NOERROR;
   }

   vector<const DChargedTrack*> locChargedTracks;
   locEventLoop->Get(locChargedTracks, "PreSelect");
   if(locChargedTracks.size() >= 2)
   {
      locEventWriterEVIO->Write_EVIOEvent(locEventLoop, "2tracks");
      return NOERROR;
   }

   return NOERROR;
}

//-------------------------------
// erun
//-------------------------------
jerror_t JEventProcessor_2trackskim::erun(void)
{
   return NOERROR;
}

//-------------------------------
// fini
//-------------------------------
jerror_t JEventProcessor_2trackskim::fini(void)
{
   return NOERROR;
}