EvtExternalGenFactory.cxx

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#include "EvtGen_i/EvtGenExternal/EvtExternalGenFactory.hh"
 
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtReport.hh"
 
#include "EvtGen_i/EvtGenExternal/EvtPythiaEngine.hh"
 
#include "EvtGen_i/EvtGenExternal/EvtPhotosEngine.hh"
 
#include "EvtGen_i/EvtGenExternal/EvtTauolaEngine.hh"
 
#include <iostream>
using std::endl;
 
EvtExternalGenFactory::EvtExternalGenFactory()
{
    m_extGenMap.clear();
}
 
EvtExternalGenFactory::~EvtExternalGenFactory()
{
    ExtGenMap::iterator iter;
    for ( iter = m_extGenMap.begin(); iter != m_extGenMap.end(); ++iter ) {
        EvtAbsExternalGen* theGenerator = iter->second;
        delete theGenerator;
    }
 
    m_extGenMap.clear();
}
 
const EvtExternalGenFactory* EvtExternalGenFactory::getInstance()
{
    static const EvtExternalGenFactory theFactory;
    return &theFactory;
}
 
EvtExternalGenFactory* EvtExternalGenFactory::getInstance_mutable ATLAS_NOT_THREAD_SAFE ()
{
    return const_cast<EvtExternalGenFactory*>(getInstance());
}
 
void EvtExternalGenFactory::definePythiaGenerator( const std::string& xmlDir,
                                                   bool convertPhysCodes,
                                                   bool useEvtGenRandom )
{
    int genId = EvtExternalGenFactory::PythiaGenId;
 
    EvtGenReport( EVTGEN_INFO, "EvtGen" )
        << "Defining EvtPythiaEngine: data tables defined in " << xmlDir << endl;
    if ( convertPhysCodes == true ) {
        EvtGenReport( EVTGEN_INFO, "EvtGen" )
            << "Pythia 6 codes in decay files will be converted to Pythia 8 codes"
            << endl;
    } else {
        EvtGenReport( EVTGEN_INFO, "EvtGen" )
            << "Pythia 8 codes need to be used in decay files" << endl;
    }
 
    if ( useEvtGenRandom == true ) {
        EvtGenReport( EVTGEN_INFO, "EvtGen" )
            << "Using EvtGen random engine for Pythia 8 as well" << endl;
    }
 
    EvtAbsExternalGen* pythiaGenerator =
        new EvtPythiaEngine( xmlDir, convertPhysCodes, useEvtGenRandom );
    m_extGenMap[genId] = pythiaGenerator;
}
 
void EvtExternalGenFactory::definePhotosGenerator( const std::string& photonType,
                                                   bool useEvtGenRandom )
{
    int genId = EvtExternalGenFactory::PhotosGenId;
 
    EvtGenReport( EVTGEN_INFO, "EvtGen" )
        << "Defining EvtPhotosEngine using photonType = " << photonType << endl;
 
    EvtAbsExternalGen* photosGenerator = new EvtPhotosEngine( photonType,
                                                              useEvtGenRandom );
    m_extGenMap[genId] = photosGenerator;
}
 
 
void EvtExternalGenFactory::defineTauolaGenerator( bool useEvtGenRandom )
{
    int genId = EvtExternalGenFactory::TauolaGenId;
 
    EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Defining EvtTauolaEngine." << endl;
 
    EvtAbsExternalGen* tauolaGenerator = new EvtTauolaEngine( useEvtGenRandom );
    m_extGenMap[genId] = tauolaGenerator;
}
 
EvtAbsExternalGen* EvtExternalGenFactory::getGenerator( int genId ) const
{
    EvtAbsExternalGen* theGenerator( 0 );
 
    ExtGenMap::const_iterator iter;
 
    if ( ( iter = m_extGenMap.find( genId ) ) != m_extGenMap.end() ) {
        // Retrieve the external generator engine
        theGenerator = iter->second;
 
    } else {
        EvtGenReport( EVTGEN_INFO, "EvtGen" )
            << "EvtAbsExternalGen::getGenerator: could not find generator for genId = "
            << genId << endl;
    }
 
    return theGenerator;
}
 
void EvtExternalGenFactory::initialiseAllGenerators()
{
    ExtGenMap::iterator iter;
    for ( iter = m_extGenMap.begin(); iter != m_extGenMap.end(); ++iter ) {
        EvtAbsExternalGen* theGenerator = iter->second;
        if ( theGenerator != 0 ) {
            theGenerator->initialise();
        }
    }
}