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File indexing completed on 2021-02-14 12:52:23

0001 #ifndef PopConBTransitionSourceHandler_H
0002 #define PopConBTransitionSourceHandler_H
0003 
0004 #include "CondCore/CondDB/interface/ConnectionPool.h"
0005 #include "CondCore/CondDB/interface/IOVProxy.h"
0006 #include "CondCore/PopCon/interface/PopConSourceHandler.h"
0007 #include "CondFormats/RunInfo/interface/RunInfo.h"
0008 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0009 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0010 #include <string>
0011 
0012 namespace popcon {
0013   template <class T>
0014   class PopConBTransitionSourceHandler : public PopConSourceHandler<T> {
0015   public:
0016     PopConBTransitionSourceHandler(edm::ParameterSet const& pset)
0017         : m_run(pset.getParameter<edm::ParameterSet>("BTransition").getParameter<unsigned long long>("runNumber")),
0018           m_currentThreshold(pset.getParameter<edm::ParameterSet>("BTransition")
0019                                  .getUntrackedParameter<double>("currentThreshold", 18000.)),
0020           m_tagForRunInfo(
0021               pset.getParameter<edm::ParameterSet>("BTransition").getParameter<std::string>("tagForRunInfo")),
0022           m_tagForBOff(pset.getParameter<edm::ParameterSet>("BTransition").getParameter<std::string>("tagForBOff")),
0023           m_tagForBOn(pset.getParameter<edm::ParameterSet>("BTransition").getParameter<std::string>("tagForBOn")),
0024           m_connectionString(pset.getParameter<edm::ParameterSet>("BTransition").getParameter<std::string>("connect")),
0025           m_connectionPset(
0026               pset.getParameter<edm::ParameterSet>("BTransition").getParameter<edm::ParameterSet>("DBParameters")) {
0027       edm::LogInfo("PopConBTransitionSourceHandler") << "["
0028                                                      << "PopConBTransitionSourceHandler:" << __func__ << "]: "
0029                                                      << "Initialising Connection Pool" << std::endl;
0030       m_connection.setParameters(m_connectionPset);
0031       m_connection.configure();
0032     }
0033 
0034     ~PopConBTransitionSourceHandler() override {}
0035 
0036     std::string id() const final { return std::string("PopConBTransitionSourceHandler"); }
0037 
0038     bool checkBOn() {
0039       //the output boolean is set to true as default
0040       bool isBOn = true;
0041       cond::persistency::Session& session = PopConSourceHandler<T>::dbSession();
0042       //reading RunInfo from Conditions
0043       cond::persistency::TransactionScope trans(session.transaction());
0044       edm::LogInfo("PopConBTransitionSourceHandler")
0045           << "["
0046           << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0047           << "Loading tag for RunInfo " << m_tagForRunInfo << " and IOV valid for run number: " << m_run << std::endl;
0048       cond::persistency::IOVProxy iov = session.readIov(m_tagForRunInfo);
0049       cond::Iov_t currentIov = iov.getInterval(m_run);
0050       LogDebug("PopConBTransitionSourceHandler")
0051           << "Loaded IOV sequence from tag " << m_tagForRunInfo << " with size: " << iov.loadedSize()
0052           << ", IOV valid for run number " << m_run << " starting from: " << currentIov.since
0053           << ", with corresponding payload hash: " << currentIov.payloadId << std::endl;
0054       //accessing the average magnet current for the run
0055       double current_default = -1;
0056       double avg_current = current_default;
0057       avg_current = session.fetchPayload<RunInfo>(currentIov.payloadId)->m_avg_current;
0058       LogDebug("PopConBTransitionSourceHandler")
0059           << "Comparing value of magnet current: " << avg_current << " A for run: " << m_run
0060           << " with the corresponding threshold: " << m_currentThreshold << " A." << std::endl;
0061       //comparing the magnet current with the user defined threshold
0062       if (avg_current != current_default && avg_current <= m_currentThreshold)
0063         isBOn = false;
0064       edm::LogInfo("PopConBTransitionSourceHandler")
0065           << "["
0066           << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0067           << "The magnet was " << (isBOn ? "ON" : "OFF") << " during run " << m_run << std::endl;
0068       trans.close();
0069       return isBOn;
0070     }
0071 
0072     virtual void getObjectsForBTransition(bool isBOn) {
0073       //reading payloads for 0T and 3.8T from Conditions
0074       cond::persistency::Session& session = PopConSourceHandler<T>::dbSession();
0075       cond::persistency::TransactionScope trans(session.transaction());
0076       edm::LogInfo("PopConBTransitionSourceHandler")
0077           << "["
0078           << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0079           << "Loading tag for B " << (isBOn ? "ON" : "OFF") << ": " << (isBOn ? m_tagForBOn : m_tagForBOff)
0080           << " and IOV valid for run number: " << m_run << std::endl;
0081       cond::persistency::IOVProxy iov = session.readIov(isBOn ? m_tagForBOn : m_tagForBOff);
0082       cond::Iov_t currentIov = iov.getInterval(m_run);
0083       LogDebug("PopConBTransitionSourceHandler")
0084           << "Loaded IOV sequence from tag " << (isBOn ? m_tagForBOn : m_tagForBOff)
0085           << " with size: " << iov.loadedSize() << ", IOV valid for run number " << m_run
0086           << " starting from: " << currentIov.since << ", with corresponding payload hash: " << currentIov.payloadId
0087           << std::endl;
0088       std::string destTag = this->tagInfo().name;
0089       if (currentIov.payloadId != this->tagInfo().lastInterval.payloadId) {
0090         std::ostringstream ss;
0091         ss << "Adding iov with since " << m_run << " pointing to hash " << currentIov.payloadId
0092            << " corresponding to the calibrations for magnetic field " << (isBOn ? "ON" : "OFF");
0093         edm::LogInfo("PopConBTransitionSourceHandler")
0094             << "["
0095             << "PopConBTransitionSourceHandler::" << __func__ << "]: " << ss.str() << std::endl;
0096         cond::persistency::IOVEditor editor;
0097         if (session.existsIov(destTag)) {
0098           editor = session.editIov(destTag);
0099         } else {
0100           editor = session.createIov<T>(destTag, iov.tagInfo().timeType);
0101           editor.setDescription("Tag created by PopConBTransitionSourceHandler");
0102         }
0103         editor.insert(m_run, currentIov.payloadId);
0104         editor.flush();
0105         this->m_userTextLog = ss.str();
0106       } else {
0107         edm::LogInfo("PopConBTransitionSourceHandler")
0108             << "["
0109             << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0110             << "The payload with hash " << currentIov.payloadId
0111             << " corresponding to the calibrations for magnetic field " << (isBOn ? "ON" : "OFF")
0112             << " is still valid for run " << m_run << " in the destination tag " << destTag << ".\nNo transfer needed."
0113             << std::endl;
0114       }
0115       trans.close();
0116     }
0117 
0118     void getNewObjects() final {
0119       //check whats already inside of database
0120       edm::LogInfo("PopConBTransitionSourceHandler")
0121           << "["
0122           << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0123           << "Destination Tag Info: name " << this->tagInfo().name << ", size " << this->tagInfo().size
0124           << ", last object valid since " << this->tagInfo().lastInterval.since << ", hash "
0125           << this->tagInfo().lastInterval.payloadId << std::endl;
0126       //check if a transfer is needed:
0127       //if the new run number is smaller than or equal to the latest IOV, exit.
0128       //This is needed as now the IOV Editor does not always protect for insertions:
0129       //ANY and VALIDATION sychronizations are allowed to write in the past.
0130       if (this->tagInfo().size > 0 && this->tagInfo().lastInterval.since >= m_run) {
0131         edm::LogInfo("PopConBTransitionSourceHandler")
0132             << "["
0133             << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0134             << "last IOV " << this->tagInfo().lastInterval.since
0135             << (this->tagInfo().lastInterval.since == m_run ? " is equal to" : " is larger than")
0136             << " the run proposed for insertion " << m_run << ". No transfer needed." << std::endl;
0137         return;
0138       }
0139       bool isBOn = checkBOn();
0140       getObjectsForBTransition(isBOn);
0141       edm::LogInfo("PopConBTransitionSourceHandler") << "["
0142                                                      << "PopConBTransitionSourceHandler::" << __func__ << "]: "
0143                                                      << "END." << std::endl;
0144     }
0145 
0146   private:
0147     unsigned long long m_run;
0148     double m_currentThreshold;
0149     // for reading from CondDB the current from RunInfo
0150     std::string m_tagForRunInfo;
0151     // for reading from CondDB the 0T and 3.8T payloads
0152     std::string m_tagForBOff;
0153     std::string m_tagForBOn;
0154     std::string m_connectionString;
0155     edm::ParameterSet m_connectionPset;
0156     cond::persistency::ConnectionPool m_connection;
0157   };
0158 }  //namespace popcon
0159 
0160 #endif  //PopConBTransitionSourceHandler_H