THaOnlRun.cxx

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//*-- Author :    Robert Michaels    March 2001 
 
//
// THaOnlRun :: THaRun
//
// Description of an online run using ET system to get data in real time.
// Inheriting from THaRun, this is essentially a TNamed object with
// additional support for a run number, filename, CODA file IO, 
// and run statistics.
//
 
#include "THaOnlRun.h"
 
#include "THaEtClient.h"
#include "TClass.h"
#include "TError.h"
#include <stdexcept>
 
using namespace std;
 
#if __cplusplus >= 201402L
# define MKETCLIENT make_unique<Decoder::THaEtClient>()
#else
# define MKETCLIENT unique_ptr<Decoder::THaEtClient>(new Decoder::THaEtClient)
#endif
 
//______________________________________________________________________________
THaOnlRun::THaOnlRun() : THaCodaRun(), fMode(1)
{
  // Default constructor
 
  // NOW is the correct time
  TDatime now;
  SetDate(now);
  // Use ET client as data source
  fCodaData = MKETCLIENT;
}
 
//______________________________________________________________________________
THaOnlRun::THaOnlRun( const char* computer, const char* session, Int_t mode) :
  THaCodaRun(session), fComputer(computer), fSession(session), fMode(mode)
{
  // Normal constructor
 
  // NOW is the correct time
  TDatime now;
  SetDate(now);
 
  // Use ET client as data source
  fCodaData = MKETCLIENT;
}
 
//______________________________________________________________________________
THaOnlRun::THaOnlRun( const THaOnlRun& rhs ) : 
  THaCodaRun(rhs), fComputer(rhs.fComputer), fSession(rhs.fSession),
  fMode(rhs.fMode)
{
  // Copy constructor
 
  // NOW is the correct time
  TDatime now;
  SetDate(now);
 
  fCodaData = MKETCLIENT;
}
 
//_____________________________________________________________________________
THaOnlRun& THaOnlRun::operator=(const THaRunBase& rhs)
{
  // Assignment operator.
 
  if (this != &rhs) {
    THaCodaRun::operator=(rhs);
    try {
      const auto& obj = dynamic_cast<const THaOnlRun&>(rhs);
      fComputer = obj.fComputer;
      fSession  = obj.fSession;
      fMode     = obj.fMode;
    }
    catch( const std::bad_cast& e ) {}
    fCodaData = MKETCLIENT;
  }
  return *this;
}
 
 
//______________________________________________________________________________
Int_t THaOnlRun::Open()
{
  // Open ET connection. 
 
  if (fComputer.IsNull() || fSession.IsNull()) {
    Error( "Open", "Computer and Session must be set. "
           "Cannot open ET run." );
    return -2;   // must set computer and session, at least;
  } 
 
  Int_t st = fCodaData->codaOpen(fComputer, fSession, fMode);
  st = ReturnCode(st);
  if( st == READ_OK )
    fOpened = true;
  return st;
}
 
//______________________________________________________________________________
Int_t THaOnlRun::OpenConnection( const char* computer, const char* session, 
                                 Int_t mode )
{
  // Set the computer name, session name, and mode, then open the 'file'.
  // It isn't really a file.  It is an ET connection.
 
  fComputer = computer;
  fSession = session;
  fMode = mode;
  return ReturnCode( Open() );
}
 
//______________________________________________________________________________
ClassImp(THaOnlRun)