In This Package:

ReadoutHeader.cc

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#include "Event/ReadoutHeader.h"

#include "Event/ReadoutPmtCrate.h"

#include "GaudiKernel/Bootstrap.h"
#include "GaudiKernel/IService.h"
#include "GaudiKernel/ISvcLocator.h"
#include "DaqReadoutSvc/IDaqReadoutSvc.h"

static IDaqReadoutSvc*  getDaqReadoutSvc() {
  ISvcLocator* svcLocator = Gaudi::svcLocator();
  IDaqReadoutSvc* daqReadoutSvc = 0;
  IService* svc = 0;
  StatusCode status = svcLocator->getService("DaqReadoutSvc",
                                             svc,
                                             true);
  if (status.isFailure() ) {
      return 0;
  }
  status = svc->queryInterface(IID_IDaqReadoutSvc,
                               (void**)&daqReadoutSvc);
  if (status.isFailure() ) {
      return 0;
  }
  return daqReadoutSvc;
}

const DayaBay::DaqCrate* DayaBay::ReadoutHeader::daqCrate() const {
    if (0 == m_daqCrate) {
        // Create DAQ crate if necessary.
        IDaqReadoutSvc* daqReadoutSvc = getDaqReadoutSvc();
        if (0 != daqReadoutSvc) {
            if (daqReadoutSvc->isGenerating()) {
                const DayaBay::Detector& detector = m_readout->detector();
                ReadoutPmtCrate* pmtCrate;
                if (0 != (pmtCrate = dynamic_cast<ReadoutPmtCrate*>(m_readout))) {
                    const DayaBay::DaqCrate** crate = const_cast<const DayaBay::DaqCrate**>(&m_daqCrate);
                    *(crate) = pmtCrate->daqCrate(daqReadoutSvc->runNumber(detector),
                                                  daqReadoutSvc->nextEventNumber(detector),
                                                  daqReadoutSvc->ltbSlot(detector));
                }
            }
        }
    }
    return m_daqCrate;

}

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