cond::lhcInfoHelper Namespace Reference

Functions
cond::Time_t	getFillLastLumiIOV (const cond::OMSService &oms, unsigned short fillId)

Variables
static constexpr unsigned int	kLumisectionsQueryLimit = 4000

Function Documentation

getFillLastLumiIOV()

cond::Time_t cond::lhcInfoHelper::getFillLastLumiIOV	(	const cond::OMSService &	oms,
		unsigned short	fillId
	)

Definition at line 8 of file LHCInfoHelper.cc.

References Exception, kLumisectionsQueryLimit, beamSpotPI::lastLumi, beamSpotPI::lastRun, cond::time::lumiTime(), and cond::OMSService::query().

Referenced by LHCInfoPerLSPopConSourceHandler::getNewObjects(), and LHCInfoPerFillPopConSourceHandler::getNewObjects().

                                                                                                 {
  // Define query
  auto query = oms.query("lumisections");
  query->addOutputVars({"lumisection_number", "run_number"});
  query->filterEQ("fill_number", fillId);
  query->limit(cond::lhcInfoHelper::kLumisectionsQueryLimit);

  // Execute query
  if (!query->execute()) {
    throw cms::Exception("OMSQueryFailure")
        << "OMS query of fill " << fillId << " failed, status:" << query->status() << "\n";
  }

  // Get query result
  auto queryResult = query->result();
  if (queryResult.empty()) {
    throw cms::Exception("OMSQueryFailure") << "OMS query of fill " << fillId << " returned empty result!\n";
  }

  // Return the final IOV
  auto lastRun = queryResult.back().get<int>("run_number");
  auto lastLumi = queryResult.back().get<unsigned short>("lumisection_number");
  return cond::time::lumiTime(lastRun, lastLumi);
}

Variable Documentation

kLumisectionsQueryLimit

constexpr unsigned int cond::lhcInfoHelper::kLumisectionsQueryLimit = 4000

static

Definition at line 12 of file LHCInfoHelper.h.

Referenced by getFillLastLumiIOV().