ObserverFilter< AFilter > Class Template Reference

Observer listening to the number of yes and no answers from the filter. More...

#include <ObserverFilter.dcl.h>

Inheritance diagram for ObserverFilter< AFilter >:

Collaboration diagram for ObserverFilter< AFilter >:

Public Types
using	Object = typename AFilter::Object
	Object type to be filtered.

Public Member Functions
void	terminate () override
	Terminate the filter after event processing.
Weight	operator() (const Object &object) override
	Function to evaluate the object.

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

Private Attributes
unsigned int	m_yesAnswers = 0
	Number of counted yes answers.
unsigned int	m_noAnswers = 0
	Number of counted no answers.

Detailed Description

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

Observer listening to the number of yes and no answers from the filter.

Definition at line 21 of file ObserverFilter.dcl.h.

Member Typedef Documentation

Object

using Object = typename AFilter::Object

Object type to be filtered.

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

Super

using Super = AFilter

private

Type of the filter base class.

Definition at line 25 of file ObserverFilter.dcl.h.

Member Function Documentation

operator()()

Weight operator() ( const Object &  object )

override

Function to evaluate the object.

Base implementation rejects all objects.

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 33 of file ObserverFilter.icc.h.

    {
      Weight result = Super::operator()(object);
      if (std::isnan(result)) {
        m_noAnswers += 1;
      } else {
        m_yesAnswers += 1;
      }
 
      return result;
    }

terminate()

void terminate

override

Terminate the filter after event processing.

Definition at line 26 of file ObserverFilter.icc.h.

    {
      B2INFO("Filter said " << m_yesAnswers << " times yes and " << m_noAnswers << " times no.");
      Super::terminate();
    }

Member Data Documentation

m_noAnswers

unsigned int m_noAnswers = 0

private

Number of counted no answers.

Definition at line 54 of file ObserverFilter.dcl.h.

m_yesAnswers

unsigned int m_yesAnswers = 0

private

Number of counted yes answers.

Definition at line 51 of file ObserverFilter.dcl.h.

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

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