ScanEnergySvc.cxx

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//     This service is used to read the ScanEnergySvc  information from the database
//
//     an example to use this service is shown in test/test_read.cxx
//
//    the joboption for the example is shown in share/job-test.txt
//
//     the joboption for this service is shown in  share/jobOptions_ScanEnergySvc.txt
 
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <sstream>
 
#include "GaudiKernel/IDataProviderSvc.h"
#include "GaudiKernel/IInterface.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/Kernel.h"
#include "GaudiKernel/MsgStream.h"
#include "GaudiKernel/PropertyMgr.h"
#include "GaudiKernel/SmartDataPtr.h"
#include "GaudiKernel/StatusCode.h"
#include "ScanEnergySvc.h"
 
#include "GaudiKernel/IIncidentListener.h"
#include "GaudiKernel/IIncidentSvc.h"
#include "GaudiKernel/Incident.h"
 
#include "EventModel/Event.h"
#include "EventModel/EventHeader.h"
#include "EventModel/EventModel.h"
#include "GaudiKernel/Bootstrap.h"
#include "GaudiKernel/ISvcLocator.h"
 
#include <TMath.h>
 
using namespace std;
 
DECLARE_COMPONENT( ScanEnergySvc )
ScanEnergySvc::ScanEnergySvc( const string& name, ISvcLocator* svcloc )
    : base_class( name, svcloc ) {
  // declare properties
  declareProperty( "Host", host = std::string( "bes3db2.ihep.ac.cn" ) );
  declareProperty( "DbName", dbName = std::string( "offlinedb" ) );
  declareProperty( "UserName", userName = std::string( "guest" ) );
  declareProperty( "Password", password = std::string( "guestpass" ) );
  //    m_dbsvc = DatabaseSvc::instance();
}
 
ScanEnergySvc::~ScanEnergySvc() {}
 
/*StatusCode ScanEnergySvc::queryInterface(const InterfaceID& riid, void** ppvInterface){
        if( IID_IScanEnergySvc.versionMatch(riid) ){
                *ppvInterface = static_cast<IScanEnergySvc*> (this);
        } else{
                return Service::queryInterface(riid, ppvInterface);
        }
        return StatusCode::SUCCESS;
}
*/
StatusCode ScanEnergySvc::initialize() {
  MsgStream log( msgSvc(), name() );
  log << MSG::INFO << "ScanEnergySvc::initialize()" << endmsg;
 
  StatusCode sc = Service::initialize();
  if ( sc.isFailure() ) return sc;
 
  IIncidentSvc* incsvc;
  sc           = service( "IncidentSvc", incsvc );
  int priority = 100;
  if ( sc.isSuccess() ) { incsvc->addListener( this, "NewRun", priority ); }
 
  sc = serviceLocator()->service( "DatabaseSvc", m_dbsvc, true );
  if ( sc.isFailure() )
  {
    log << MSG::ERROR << "Unable to find DatabaseSvc " << endmsg;
    return sc;
  }
 
  sc = serviceLocator()->service( "EventDataSvc", m_eventSvc, true );
  if ( sc.isFailure() )
  {
    log << MSG::ERROR << "Unable to find EventDataSvc " << endmsg;
    return sc;
  }
 
  return StatusCode::SUCCESS;
}
 
StatusCode ScanEnergySvc::finalize() {
  MsgStream log( msgSvc(), name() );
  log << MSG::INFO << "ScanEnergySvc::finalize()" << endmsg;
  //  if(m_connect_offline) delete m_connect_offline;
  return StatusCode::SUCCESS;
}
 
void ScanEnergySvc::handle( const Incident& inc ) {
  MsgStream log( msgSvc(), name() );
  log << MSG::DEBUG << "handle: " << inc.type() << endmsg;
 
  if ( inc.type() == "NewRun" )
  {
    log << MSG::DEBUG << "NewRun" << endmsg;
    if ( !getScanEnergySvcInfo() )
    { log << MSG::ERROR << "can not initilize Tof energy Calib Constants" << endmsg; }
  }
}
 
bool ScanEnergySvc::getScanEnergySvcInfo() {
  MsgStream                        log( msgSvc(), name() );
  SmartDataPtr<Event::EventHeader> eventHeader( m_eventSvc, "/Event/EventHeader" );
  int                              run = eventHeader->runNumber();
 
  if ( run >= 55054 && run <= 55859 )
  {
 
    cout << "Run in getScanEnergySvcInfo() is: " << run << endl;
 
    char stmt1[400];
    if ( run < 0 )
    {
      cout << "This data is the MC sample with the Run Number: " << run << endl;
      run = -run;
    }
 
    sprintf(
        stmt1,
        "select runStart,runEnd,Energy from ScanEnergy where runStart <= %d and runEnd >= %d ",
        run, run );
    cout << "stmt is:" << stmt1 << endl;
    DatabaseRecordVector res;
    int                  row_no = m_dbsvc->query( "offlinedb", stmt1, res );
    if ( row_no > 0 )
    {
      DatabaseRecord& dbrec = *res[row_no - 1];
      m_ScanEnergy          = dbrec.GetDouble( "Energy" );
      m_RunStart            = dbrec.GetInt( "runStart" );
      m_RunEnd              = dbrec.GetInt( "runEnd" );
      cout << "m_ScanEnergy is:" << m_ScanEnergy << " m_RunStart is:" << m_RunStart
           << " m_RunEnd is:" << m_RunEnd << endl;
      cout << "Successfully fetch ScanEnergySvc information for run: " << run << endl;
      return true;
    }
    else if ( row_no <= 0 )
    {
      cout << " ScanEnergySvc:: can not found ScanEnergySvc information of run:" << run
           << endl;
      exit( 1 );
      return false;
    }
  }
 
  return true;
}