RunInfo/src/LHCInfoHelper.cc

0001 #include "CondTools/RunInfo/interface/LHCInfoHelper.h"
0002 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0003
0004 //*****************************************************************
0005 // Returns lumi-type IOV (packed using cond::time::lumiTime) from
0006 // last LS of last Run of the specified Fill
0007 //*****************************************************************
0008 cond::Time_t cond::lhcInfoHelper::getFillLastLumiIOV(const cond::OMSService& oms, unsigned short fillId) {
0009   // Define query
0010   auto query = oms.query("lumisections");
0011   query->addOutputVars({"lumisection_number", "run_number"});
0012   query->filterEQ("fill_number", fillId);
0013   query->limit(cond::lhcInfoHelper::kLumisectionsQueryLimit);
0014
0015   // Execute query
0016   if (!query->execute()) {
0017     throw cms::Exception("OMSQueryFailure")
0018         << "OMS query of fill " << fillId << " failed, status:" << query->status() << "\n";
0019   }
0020
0021   // Get query result
0022   auto queryResult = query->result();
0023   if (queryResult.empty()) {
0024     throw cms::Exception("OMSQueryFailure") << "OMS query of fill " << fillId << " returned empty result!\n";
0025   }
0026
0027   // Return the final IOV
0028   auto lastRun = queryResult.back().get<int>("run_number");
0029   auto lastLumi = queryResult.back().get<unsigned short>("lumisection_number");
0030   return cond::time::lumiTime(lastRun, lastLumi);
0031 }