SlotSpecificObj.cxx

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/*
 * Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration.
 */
// $Id$
 
 
#include "AthenaKernel/SlotSpecificObj.h"
#include "CxxUtils/checker_macros.h"
#include "GaudiKernel/IHiveWhiteBoard.h"
#include "GaudiKernel/ServiceHandle.h"
 
 
 
namespace {
  // Name of the service to use to find the number of slots.
  std::string getNSlots_hiveMgrName ATLAS_THREAD_SAFE = "EventDataSvc";
} // anonymous namespace
 
 
 
namespace SG {
 

void setNSlotsHiveMgrName ATLAS_NOT_THREAD_SAFE (const std::string& s)
{
  getNSlots_hiveMgrName = s;
}
 

size_t getNSlots_once()
{
  ServiceHandle<IInterface> svc (getNSlots_hiveMgrName, "getNSlots_once");
  if (!svc.retrieve().isSuccess())
    return 1;
  IHiveWhiteBoard* hivesvc = dynamic_cast<IHiveWhiteBoard*> (svc.get());
  if (!hivesvc) return 1;
  unsigned int nslots = hivesvc->getNumberOfStores();
  if (nslots < 1) return 1;
  return nslots;
}
 

size_t getNSlots()
{
  const static size_t nslots = getNSlots_once();
  return nslots;
}
 
 
} // namespace SG