CascadeCountDecorator Class Reference

#include <TruthParentDecoratorAlg.h>

Collaboration diagram for CascadeCountDecorator:

Public Member Functions
	CascadeCountDecorator (const std::string &name, const std::vector< int > &pids)
void	decorate (const SG::AuxElement &target, const std::vector< MatchedParent > &parents) const
void	decorateDefault (const SG::AuxElement &target) const
void	lock (const xAOD::IParticleContainer *target) const

Private Attributes
std::vector< int >	m_pids
SG::AuxElement::Decorator< unsigned char >	m_dec
SG::auxid_t	m_auxid

Detailed Description

Definition at line 20 of file TruthParentDecoratorAlg.h.

Constructor & Destructor Documentation

CascadeCountDecorator()

CascadeCountDecorator::CascadeCountDecorator	(	const std::string &	name,
		const std::vector< int > &	pids )

Definition at line 186 of file TruthParentDecoratorAlg.cxx.

                                                                                              :
  m_pids(pids.begin(), pids.end()),
  m_dec(name),
  // also hang on to the auxid so we can lock it later
  m_auxid(SG::AuxTypeRegistry::instance().findAuxID(name))
{
}

Member Function Documentation

decorate()

void CascadeCountDecorator::decorate	(	const SG::AuxElement &	target,
		const std::vector< MatchedParent > &	parents ) const

Definition at line 193 of file TruthParentDecoratorAlg.cxx.

{
  unsigned char n_match = 0;
  for (const auto& parent: parents) {
    for (const auto& pid: m_pids) {
      if (parent.cascade_pids.contains(pid)) n_match++;
    }
  }
  m_dec(target) = n_match;
}

decorateDefault()

void CascadeCountDecorator::decorateDefault

(

const SG::AuxElement &

target

)

const

Definition at line 203 of file TruthParentDecoratorAlg.cxx.

{
  m_dec(target) = 0;
}

lock()

void CascadeCountDecorator::lock

(

const xAOD::IParticleContainer *

target

)

const

Definition at line 207 of file TruthParentDecoratorAlg.cxx.

{
  // We're locking a decoration on a const container, which would be a
  // problem if they were made by anyone else since someone else might
  // be messing with them. But here it shouldn't be a problem since we
  // made them.
  auto* cont ATLAS_THREAD_SAFE = const_cast<xAOD::IParticleContainer*>(target);
  cont->lockDecoration(m_auxid);
}

Member Data Documentation

m_auxid

SG::auxid_t CascadeCountDecorator::m_auxid

private

Definition at line 32 of file TruthParentDecoratorAlg.h.

m_dec

SG::AuxElement::Decorator<unsigned char> CascadeCountDecorator::m_dec

private

Definition at line 31 of file TruthParentDecoratorAlg.h.

m_pids

std::vector<int> CascadeCountDecorator::m_pids

private

Definition at line 30 of file TruthParentDecoratorAlg.h.

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The documentation for this class was generated from the following files:

• TruthParentDecoratorAlg.h
• TruthParentDecoratorAlg.cxx