CP::SelectionReadAccessorNull Class Reference

a SelectionAccesor that can be used instead of a nullptr More...

#include <SelectionReadAccessorNull.h>

Inheritance diagram for CP::SelectionReadAccessorNull:

Collaboration diagram for CP::SelectionReadAccessorNull:

Public Member Functions
	SelectionReadAccessorNull (bool value=true)
virtual SelectionType	getBits (const SG::AuxElement &element, const CP::SystematicSet *sys) const override
	get the selection decoration
virtual bool	getBool (const SG::AuxElement &element, const CP::SystematicSet *sys) const override
	get the selection decoration
virtual std::string	label () const override
	get the label of the accessor
virtual bool	isBool () const override
	whether this accessor returns a simple boolean
virtual CP::SystematicSet	getInputAffecting (const ISystematicsSvc &svc, const std::string &objectName) const override
	get the systematics when reading from the decoration
virtual StatusCode	fillSystematics (const ISystematicsSvc &svc, const std::vector< CP::SystematicSet > &sysList, const std::string &objectName) override
	fill the systematic variations

Private Attributes
bool	m_value

Detailed Description

a SelectionAccesor that can be used instead of a nullptr

This makes it easier to set up code that just uses an ISelectionReadAccessor to preselect its objects, and doesn't want a special code path for the case of no preselections.

Definition at line 22 of file SelectionReadAccessorNull.h.

Constructor & Destructor Documentation

SelectionReadAccessorNull()

CP::SelectionReadAccessorNull::SelectionReadAccessorNull

(

bool

value = true

)

Definition at line 22 of file SelectionReadAccessorNull.cxx.

                                         : m_value(value)
  {}

Member Function Documentation

fillSystematics()

StatusCode CP::SelectionReadAccessorNull::fillSystematics ( const ISystematicsSvc & svc, const std::vector< CP::SystematicSet > & sysList, const std::string & objectName )

overridevirtual

fill the systematic variations

Implements CP::ISelectionReadAccessor.

Definition at line 70 of file SelectionReadAccessorNull.cxx.

  {
    return StatusCode::SUCCESS;
  }

getBits()

SelectionType CP::SelectionReadAccessorNull::getBits ( const SG::AuxElement & element, const CP::SystematicSet * sys ) const

overridevirtual

get the selection decoration

Implements CP::ISelectionReadAccessor.

Definition at line 28 of file SelectionReadAccessorNull.cxx.

  {
    return m_value ? selectionAccept() : selectionReject();
  }

getBool()

bool CP::SelectionReadAccessorNull::getBool ( const SG::AuxElement & element, const CP::SystematicSet * sys ) const

overridevirtual

get the selection decoration

Implements CP::ISelectionReadAccessor.

Definition at line 37 of file SelectionReadAccessorNull.cxx.

  {
    return m_value;
  }

getInputAffecting()

CP::SystematicSet CP::SelectionReadAccessorNull::getInputAffecting ( const ISystematicsSvc & svc, const std::string & objectName ) const

overridevirtual

get the systematics when reading from the decoration

Implements CP::ISelectionReadAccessor.

Definition at line 61 of file SelectionReadAccessorNull.cxx.

  {
    return SystematicSet ();
  }

isBool()

bool CP::SelectionReadAccessorNull::isBool ( ) const

overridevirtual

whether this accessor returns a simple boolean

Implements CP::ISelectionReadAccessor.

Definition at line 53 of file SelectionReadAccessorNull.cxx.

  {
    return true;
  }

label()

std::string CP::SelectionReadAccessorNull::label ( ) const

overridevirtual

get the label of the accessor

Implements CP::ISelectionReadAccessor.

Definition at line 45 of file SelectionReadAccessorNull.cxx.

  {
    return m_value ? "true" : "false";
  }

Member Data Documentation

m_value

bool CP::SelectionReadAccessorNull::m_value

private

Definition at line 63 of file SelectionReadAccessorNull.h.

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

• SelectionReadAccessorNull.h
• SelectionReadAccessorNull.cxx