/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/CondTools/Ecal/src/EcalADCToGeVHandler.cc

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#include "CondTools/Ecal/interface/EcalADCToGeVHandler.h"
#include "FWCore/ParameterSet/interface/ParameterSetfwd.h"
#include "CondFormats/EcalObjects/interface/EcalIntercalibConstants.h"
#include "CondTools/Ecal/interface/EcalADCToGeVXMLTranslator.h"


#include<iostream>

popcon::EcalADCToGeVHandler::EcalADCToGeVHandler(const edm::ParameterSet & ps)
  :    m_name(ps.getUntrackedParameter<std::string>("name","EcalADCToGeVHandler")) {

        std::cout << "EcalADCToGeV Source handler constructor\n" << std::endl;
        m_firstRun=static_cast<unsigned int>(atoi( ps.getParameter<std::string>("firstRun").c_str()));
        m_lastRun=static_cast<unsigned int>(atoi( ps.getParameter<std::string>("lastRun").c_str()));
        m_sid= ps.getParameter<std::string>("OnlineDBSID");
        m_user= ps.getParameter<std::string>("OnlineDBUser");
        m_pass= ps.getParameter<std::string>("OnlineDBPassword");
        m_locationsource= ps.getParameter<std::string>("LocationSource");
        m_location=ps.getParameter<std::string>("Location");
        m_gentag=ps.getParameter<std::string>("GenTag");
        m_file_lowfield= ps.getParameter<std::string>("FileLowField");
        m_file_highfield= ps.getParameter<std::string>("FileHighField");



        std::cout << m_sid<<"/"<<m_user<<"/"<<m_location<<"/"<<m_gentag   << std::endl;


}

popcon::EcalADCToGeVHandler::~EcalADCToGeVHandler()
{
}


void popcon::EcalADCToGeVHandler::getNewObjects()
{

        std::cout << "------- Ecal - > getNewObjects\n";

  std::ostringstream ss; 
  ss<<"ECAL ";

        unsigned int max_since=0;
        max_since=static_cast<unsigned int>(tagInfo().lastInterval.first);
        std::cout << "max_since : "  << max_since << std::endl;
        Ref ped_db = lastPayload();
        
        // we parse the last record in the DB and check if it is low or high field 

        std::cout << "retrieved last payload "  << std::endl;


        EcalADCToGeVConstant the_cal ;

        float adc_eb=ped_db->getEBValue();
        float adc_ee=ped_db->getEEValue();
 
        float the_value_high_eb=0.03894;
        float the_value_high_ee=0.06285;

        
        bool magnet_high=true; 
        if(adc_eb!= the_value_high_eb || adc_ee!= the_value_high_ee ) magnet_high=false; 


        // here we connect to the online DB to check the value of the magnetic field 

        std::cout << "Connecting to ONLINE DB ... " << std::endl;
        econn = new EcalCondDBInterface( m_sid, m_user, m_pass );
        std::cout << "Connection done" << std::endl;
        
        if (!econn)
          {
            std::cout << " Problem with OMDS: connection parameters " <<m_sid <<"/"<<m_user<<"/"<<m_pass<<std::endl;
            throw cms::Exception("OMDS not available");
          } 


        std::cout << "Retrieving last run from ONLINE DB ... " << std::endl;
        std::map<EcalLogicID, RunDat> rundat;
        RunIOV rp ;
        run_t runmax=10000000;
        std::string location_p5="P5_Co";
        econn->fetchValidDataSet(&rundat , &rp, location_p5 ,runmax);
        
        unsigned long long  irun=(unsigned long long) rp.getRunNumber();

        std::cout<< "retrieved run number "<< irun <<std::endl;  

        if(irun>max_since) {


          // retrieve from last value data record 
          // always call this method at first run
          
          std::map<EcalLogicID, RunDCSMagnetDat> dataset;
          
          econn->fetchDataSet(&dataset, &rp);
          
          if (!dataset.size()) {
            throw(std::runtime_error("Zero rows read back"));
          } else {
            std::cout<< "retrieved magnet current"<<std::endl;  
          }
          
          
          float mag_cur=0;
          
          std::map<  EcalLogicID, RunDCSMagnetDat >::iterator it;
          for (it=dataset.begin(); it!=dataset.end(); ++it){
            
            RunDCSMagnetDat  a_mag = (*it).second;
            mag_cur= a_mag.getMagnetCurrent();
            
          }
          
          
          std::string file_=m_file_highfield;
          bool something_to_transfer=false;
          if(mag_cur>7000. && magnet_high ) {
            
            std::cout << " the magnet is ON and the constants are for magnet ON " << std::endl; 
            
          } else if(mag_cur>7000. && !magnet_high ) {
            something_to_transfer=true;
            std::cout << " the magnet is ON and the constants are for magnet OFF " << std::endl; 
            std::cout << " I transfer the ON constants "<< std::endl; 
            file_=m_file_highfield;
            
          } else if(mag_cur<6000. && magnet_high ) {
            something_to_transfer=true;
            std::cout << " the magnet is OFF and the constants are for magnet ON "<< std::endl;
            std::cout << " I transfer the OFF constants "<< std::endl;
            file_=m_file_lowfield;
            
          } else if( mag_cur<6000. && !magnet_high ){
            
            std::cout << " the magnet is OFF and the constants are for magnet OFF "<< std::endl;
            file_=m_file_lowfield;
            
          } else {
            
            std::cout << " the magnet is in a strange situation I do nothing ... just be patient "<< std::endl;
            
          }
          
          
          if(something_to_transfer){
            
            std::cout << "Generating popcon record for run " << irun << "..." << std::flush;
            std::cout << "going to open file "<<file_ << std::flush;
            
            
            EcalCondHeader   header;
            EcalADCToGeVConstant * payload = new EcalADCToGeVConstant;
            EcalADCToGeVXMLTranslator::readXML(file_,header,*payload);
            
            
            Time_t snc= (Time_t) irun ;
            
            popcon::PopConSourceHandler<EcalADCToGeVConstant>::m_to_transfer.push_back(
                                                                                          std::make_pair(payload,snc));
            
            ss << "Run=" << irun << "_Magnet_changed_"<<std::endl; 
            m_userTextLog = ss.str()+";";
            
            
          } else {
            std::cout << "Run " << irun << " nothing sent to the DB"<< std::endl;
          
            ss<< "Run=" << irun << "_Magnet_NOT_changed_"<<std::endl; 
            m_userTextLog = ss.str()+";";
          }
          
        
          delete econn;
        } else {
            std::cout << "Run " << irun << " nothing sent to the DB"<< std::endl;
            ss<< "Run=" << irun << "_no_new_runs_"<<std::endl; 
            m_userTextLog = ss.str()+";";


        }

        

        std::cout << "Ecal - > end of getNewObjects -----------\n";

}