GenAccessIO Class Reference

#include <GenAccessIO.h>

List of all members.

Public Types
typedef std::string	String
Public Member Functions
	GenAccessIO ()
StatusCode	getMC (MCparticleCollection &) const
StatusCode	getMC (MCparticleCollection &, const GenIMCselector *) const
StatusCode	getDH (const McEventCollection *&) const
StatusCode	getDH (const McEventCollection *&, String key) const
StatusCode	store (McEventCollection *) const
StatusCode	store (McEventCollection *, String key) const
Private Attributes
StoreGateSvc *	m_sgSvc

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Detailed Description

Definition at line 22 of file GenAccessIO.h.

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Member Typedef Documentation

typedef std::string GenAccessIO::String

Definition at line 24 of file GenAccessIO.h.

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Constructor & Destructor Documentation

GenAccessIO::GenAccessIO

(

)

[inline]

Definition at line 42 of file GenAccessIO.h.

References m_sgSvc.

                               :m_sgSvc(0){
  ISvcLocator* svcLoc = Gaudi::svcLocator( );
  if( (svcLoc->service( "StoreGateSvc", m_sgSvc )).isFailure() ){
    throw StatusCode::FAILURE;
  }
}

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Member Function Documentation

StatusCode GenAccessIO::getDH	(	const McEventCollection *&	,
		String	key
	)			const [inline]

Definition at line 58 of file GenAccessIO.h.

References m_sgSvc.

                                                                            {
  if( (m_sgSvc->retrieve(dh, key)).isFailure() ){
    return StatusCode::FAILURE;
  }
  return StatusCode::SUCCESS;
}

StatusCode GenAccessIO::getDH

(

const McEventCollection *&

)

const [inline]

Definition at line 50 of file GenAccessIO.h.

References m_sgSvc.

Referenced by getMC().

                                                                {
  if((m_sgSvc->retrieve(dh)).isFailure() ){
    return StatusCode::FAILURE;
  }
  return StatusCode::SUCCESS;
}

StatusCode GenAccessIO::getMC	(	MCparticleCollection &	,
		const GenIMCselector *
	)			const

Definition at line 16 of file GenAccessIO.cxx.

References getDH().

                                                                    {
    
  const McEventCollection* mcCollptr;
  StatusCode stat = this->getDH(mcCollptr);
  if(!stat){
    return StatusCode::FAILURE;
  }

  // Iterate over all McEvent records
  McEventCollection::const_iterator itr;
  for (itr = mcCollptr->begin(); itr!=mcCollptr->end(); ++itr) {
    // Access the HepMC record which is wrapped within McEvent
    const HepMC::GenEvent* genEvt = (*itr);
    if(genEvt == 0) return StatusCode::FAILURE;
      
    HepMC::GenEvent::particle_const_iterator it= genEvt->particles_begin();
    HepMC::GenEvent::particle_const_iterator en= genEvt->particles_end();
    for(; it!=en; ++it){
      if((*selector)(*it)){mcParticles.push_back(*it);}
    }
  }
    
  return StatusCode::SUCCESS;
    
}

StatusCode GenAccessIO::getMC

(

MCparticleCollection &

)

const

Definition at line 9 of file GenAccessIO.cxx.

Referenced by TruthDemo::execute().

                                                                     {
  const GenIMCselector* selector = new GenAll();
  StatusCode stat = this->getMC(mcParticles, selector);
  return stat;
}

StatusCode GenAccessIO::store	(	McEventCollection *	,
		String	key
	)			const [inline]

Definition at line 70 of file GenAccessIO.h.

References m_sgSvc.

                                                                         { 
  return (m_sgSvc->record(storee, key) ) ;
}

StatusCode GenAccessIO::store

(

McEventCollection *

)

const [inline]

Definition at line 65 of file GenAccessIO.h.

References m_sgSvc.

                                                                     { 
  return (m_sgSvc->record(pObject) ) ;
}

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Member Data Documentation

StoreGateSvc* GenAccessIO::m_sgSvc [private]

Definition at line 38 of file GenAccessIO.h.

Referenced by GenAccessIO(), getDH(), and store().

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