ChooseableFilter.icc.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2015 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost                                             *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/filters/base/ChooseableFilter.dcl.h>
 
#include <tracking/trackFindingCDC/filters/base/FilterFactory.icc.h>
 
#include <framework/core/ModuleParamList.templateDetails.h>
 
#include <tracking/trackFindingCDC/utilities/StringManipulation.h>
 
#include <memory>
#include <string>
 
namespace Belle2 {
  namespace TrackFindingCDC {
 
    template <class AFilter>
    Chooseable<AFilter>::Chooseable(std::unique_ptr<FilterFactory<AFilter>> filterFactory)
      : m_param_filterName(filterFactory ? filterFactory->getDefaultFilterName() : "")
      , m_param_filterParameters()
      , m_filterFactory(std::move(filterFactory))
    {
      B2ASSERT("Constructing a chooseable filter with no factory", m_filterFactory);
    }
 
    template <class AFilter>
    Chooseable<AFilter>::Chooseable(std::unique_ptr<FilterFactory<AFilter>> filterFactory,
                                    const std::string& filterName)
      : m_param_filterName(filterName)
      , m_param_filterParameters()
      , m_filterFactory(std::move(filterFactory))
    {
      B2ASSERT("Constructing a chooseable filter with no factory", m_filterFactory);
    }
 
    template <class AFilter>
    void Chooseable<AFilter>::exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix)
    {
      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());
    }
 
    template <class AFilter>
    void Chooseable<AFilter>::initialize()
    {
      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();
    }
 
    template <class AFilter>
    bool Chooseable<AFilter>::needsTruthInformation()
    {
      return m_filter->needsTruthInformation();
    }
 
    template <class AFilter>
    Weight Chooseable<AFilter>::operator()(const Object& object)
    {
      return (*m_filter)(object);
    }
 
    template <class AFilter>
    Weight Chooseable<AFilter>::operator()(const Object& object) const
    {
      return (*m_filter)(object);
    }
 
    template <class AFilterFactory>
    ChooseableFilter<AFilterFactory>::ChooseableFilter()
      : Super(std::make_unique<AFilterFactory>())
    {
    }
 
    template <class AFilterFactory>
    ChooseableFilter<AFilterFactory>::ChooseableFilter(const std::string& filterName)
      : Super(std::make_unique<AFilterFactory>(), filterName)
    {
    }
  }
}