Chooseable< AFilter > Class Template Reference

Filter can delegate to a filter chosen and set up at run time by parameters. More...

#include <ChooseableFilter.dcl.h>

Inheritance diagram for Chooseable< AFilter >:

Public Types
using	Object = typename AFilter::Object
	Type of the object to be analysed.

Public Member Functions
	Chooseable (std::unique_ptr< FilterFactory< AFilter > > filterFactory)
	Setup the chooseable filter with available choices from the factory.
	Chooseable (std::unique_ptr< FilterFactory< AFilter > > filterFactory, const std::string &filterName)
	Setup the chooseable filter with available choices from the factory and a default name.
void	exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) final
	Expose the set of parameters of the filter to the module parameter list.
void	initialize () override
	Initialize before event processing.
bool	needsTruthInformation () override
	Indicates if the filter requires Monte Carlo information.
Weight	operator() (const Object &object) final
	Function to evaluate the object.
Weight	operator() (const Object &object) const
	Const version of operator.
virtual std::vector< float >	operator() (const std::vector< Object * > &objs) override
	Evaluate the MVA method over a vector of objects. Returns float weight or NAN (when object is rejected) for each object.
std::string	getFilterName () const
	Return name of the selected filter.

Private Types
using	Super = AFilter
	Type of the base class.

Private Attributes
std::string	m_param_filterName
	Parameters : Name of the selected filter.
FilterParamMap	m_param_filterParameters
	Parameter: Parameter keys and values to be forwarded to the chosen filter.
std::unique_ptr< FilterFactory< AFilter > >	m_filterFactory
	Filter factor to construct a chosen filter.
std::unique_ptr< AFilter >	m_filter
	Chosen filter.

Detailed Description

template<class AFilter>
class Belle2::TrackFindingCDC::Chooseable< AFilter >

Filter can delegate to a filter chosen and set up at run time by parameters.

Definition at line 32 of file ChooseableFilter.dcl.h.

Member Typedef Documentation

Object

using Object = typename AFilter::Object

Type of the object to be analysed.

Definition at line 40 of file ChooseableFilter.dcl.h.

Super

using Super = AFilter

private

Type of the base class.

Definition at line 36 of file ChooseableFilter.dcl.h.

Constructor & Destructor Documentation

Chooseable() [1/2]

Chooseable ( std::unique_ptr< FilterFactory< AFilter > >  filterFactory )

explicit

Setup the chooseable filter with available choices from the factory.

Definition at line 29 of file ChooseableFilter.icc.h.

      : m_param_filterName(filterFactory ? filterFactory->getDefaultFilterName() : "")
      , m_param_filterParameters()
      , m_filterFactory(std::move(filterFactory))
    {
      B2ASSERT("Constructing a chooseable filter with no factory", m_filterFactory);
    }

Chooseable() [2/2]

Chooseable	(	std::unique_ptr< FilterFactory< AFilter > >	filterFactory,
		const std::string &	filterName
	)

Setup the chooseable filter with available choices from the factory and a default name.

Definition at line 38 of file ChooseableFilter.icc.h.

      : m_param_filterName(filterName)
      , m_param_filterParameters()
      , m_filterFactory(std::move(filterFactory))
    {
      B2ASSERT("Constructing a chooseable filter with no factory", m_filterFactory);
    }

Member Function Documentation

exposeParameters()

void exposeParameters ( ModuleParamList *  moduleParamList, const std::string &  prefix  )

final

Expose the set of parameters of the filter to the module parameter list.

Make a force parameter in case no default was given

Make a normal parameter in case default is known

Definition at line 48 of file ChooseableFilter.icc.h.

    {
      Super::exposeParameters(moduleParamList, prefix);
      if (m_param_filterName == "") {
        moduleParamList->addParameter(prefixed(prefix, "filter"),
                                      m_param_filterName,
                                      m_filterFactory->createFiltersNameDescription());
      } else {
        moduleParamList->addParameter(prefixed(prefix, "filter"),
                                      m_param_filterName,
                                      m_filterFactory->createFiltersNameDescription(),
                                      m_param_filterName);
      }
 
      m_param_filterParameters.addParameter(moduleParamList,
                                            prefixed(prefix, "filterParameters"),
                                            m_filterFactory->createFiltersParametersDescription());
    }

getFilterName()

std::string getFilterName ( ) const

inline

Return name of the selected filter.

Definition at line 77 of file ChooseableFilter.dcl.h.

      {
        return m_param_filterName;
      }

initialize()

void initialize

override

Initialize before event processing.

Transfer parameters

Definition at line 70 of file ChooseableFilter.icc.h.

    {
      m_filter = m_filterFactory->create(m_param_filterName);
      if (not m_filter) {
        B2ERROR("Could not create filter with name " << m_param_filterName);
        return;
      }
 
      ModuleParamList filterModuleParamList;
      const std::string prefix = "";
      m_filter->exposeParameters(&filterModuleParamList, prefix);
      m_param_filterParameters.assignTo(&filterModuleParamList);
      this->addProcessingSignalListener(m_filter.get());
      Super::initialize();
    }

needsTruthInformation()

bool needsTruthInformation

override

Indicates if the filter requires Monte Carlo information.

Definition at line 88 of file ChooseableFilter.icc.h.

    {
      return m_filter->needsTruthInformation();
    }

operator()() [1/3]

Weight operator()

(

const Object &

object

)

const

Const version of operator.

Definition at line 100 of file ChooseableFilter.icc.h.

    {
      return (*m_filter)(object);
    }

operator()() [2/3]

Weight operator() ( const Object &  object )

final

Function to evaluate the object.

Delegates to the filter chosen by module parameters.

Parameters

object

The object to be accepted or rejected.

Returns

A finit float value if the object is accepted. NAN if the object is rejected.

Definition at line 94 of file ChooseableFilter.icc.h.

    {
      return (*m_filter)(object);
    }

operator()() [3/3]

std::vector< float > operator() ( const std::vector< Object * > &  objs )

overridevirtual

Evaluate the MVA method over a vector of objects. Returns float weight or NAN (when object is rejected) for each object.

Definition at line 106 of file ChooseableFilter.icc.h.

    {
      return (*m_filter)(objs);
    }

Member Data Documentation

m_filter

std::unique_ptr<AFilter> m_filter

private

Chosen filter.

Definition at line 94 of file ChooseableFilter.dcl.h.

m_filterFactory

std::unique_ptr<FilterFactory<AFilter> > m_filterFactory

private

Filter factor to construct a chosen filter.

Definition at line 91 of file ChooseableFilter.dcl.h.

m_param_filterName

std::string m_param_filterName

private

Parameters : Name of the selected filter.

Definition at line 84 of file ChooseableFilter.dcl.h.

m_param_filterParameters

FilterParamMap m_param_filterParameters

private

Parameter: Parameter keys and values to be forwarded to the chosen filter.

Definition at line 87 of file ChooseableFilter.dcl.h.

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

• tracking/trackFindingCDC/filters/base/include/ChooseableFilter.dcl.h
• tracking/trackFindingCDC/filters/base/include/ChooseableFilter.icc.h