BlockElementLinkerBase.h

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#ifndef __BlockElementLinkerBase_H__
#define __BlockElementLinkerBase_H__

#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlockElement.h"

#include <string>

class BlockElementLinkerBase {
public:
  BlockElementLinkerBase(const edm::ParameterSet& conf) : _linkerName(conf.getParameter<std::string>("linkerName")) {}
  BlockElementLinkerBase(const BlockElementLinkerBase&) = delete;
  virtual ~BlockElementLinkerBase() = default;
  BlockElementLinkerBase& operator=(const BlockElementLinkerBase&) = delete;

  virtual bool linkPrefilter(const reco::PFBlockElement*, const reco::PFBlockElement*) const { return true; }

  virtual double testLink(const reco::PFBlockElement*, const reco::PFBlockElement*) const = 0;

  const std::string& name() const { return _linkerName; }

private:
  const std::string _linkerName;
};

#include "FWCore/PluginManager/interface/PluginFactory.h"
typedef edmplugin::PluginFactory<BlockElementLinkerBase*(const edm::ParameterSet&)> BlockElementLinkerFactory;

#endif