CRVFilter_module.cc

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#include "art/Framework/Core/EDFilter.h"
#include "art/Framework/Core/ModuleMacros.h"
#include "art/Framework/Principal/Event.h"
#include "art/Framework/Principal/Handle.h"
#include "fhiclcpp/ParameterSet.h"
#include "messagefacility/MessageLogger/MessageLogger.h"

#include "RecoBase/Cluster.h"

namespace evgen
{
  class CRVFilter: public art::EDFilter
  {
  public:
    explicit CRVFilter(const fhicl::ParameterSet& pset);
    ~CRVFilter();
    
    bool filter(art::Event& evt);
    
    void reconfigure(const fhicl::ParameterSet& pset);

  private:
    std::string fSliceLabel;
    bool fCheckSlice;
  };
}


////////////////////////////////////////////////////////////////////////

namespace evgen
{
  //......................................................................
  CRVFilter::CRVFilter(const fhicl::ParameterSet& pset) :
    fCheckSlice(0)
  {
    reconfigure(pset);
  }
  
  //......................................................................
  CRVFilter::~CRVFilter()
  {
  }

  //......................................................................
  void CRVFilter::reconfigure(const fhicl::ParameterSet& pset)
  {
    fSliceLabel = pset.get<std::string>("SliceLabel");
    fCheckSlice = pset.get< bool >("CheckSlice");
  }
  //......................................................................
  bool CRVFilter::filter(art::Event& evt)
  {
    const class rb::Cluster slice;
    if(fCheckSlice){
      art::Handle<std::vector<rb::Cluster>> slices;
      evt.getByLabel(fSliceLabel,slices);

      //slice = *slices.at(0);
      // Filter if no rawdata info
      if(slices.failedToGet()) { 
            mf::LogError("CRVFilter") << "No Cluster object. \n";
            return false;
      } 
      // Filter if rawdata info is empty
      if(slices->empty()) { 
        mf::LogError("CRVFilter") << "Empty Cluster object. \n";
        return false;
      }
    }
    // Pass if there are Truth particles of course
    // after all subsequent checks
    return true;
  }
} // namespace

////////////////////////////////////////////////////////////////////////
namespace evgen
{
  DEFINE_ART_MODULE(CRVFilter)
}