HGCalTriggerBackendAlgorithmBase.h

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#ifndef __L1Trigger_L1THGCal_HGCalTriggerBackendAlgorithmBase_h__
#define __L1Trigger_L1THGCal_HGCalTriggerBackendAlgorithmBase_h__

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "L1Trigger/L1THGCal/interface/HGCalTriggerGeometryBase.h"

#include "DataFormats/L1THGCal/interface/HGCFETriggerDigi.h"
#include "DataFormats/L1THGCal/interface/HGCFETriggerDigiFwd.h"

#include "DataFormats/HGCDigi/interface/HGCDigiCollections.h"

#include "FWCore/Framework/interface/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"

#include <memory>

/*******
 *
 * class: HGCalTriggerBackendAlgorithmBase
 * author: L.Gray (FNAL)
 * date: 27 July, 2015
 *
 * This contains two base classes, one which presents the abstract interface,
 * and a second that allows specialization to various FE codecs so that 
 * data can be manipulated directly.
 *
 *******/

class HGCalTriggerBackendAlgorithmBase { 
 public:    
  HGCalTriggerBackendAlgorithmBase(const edm::ParameterSet& conf) : 
    geometry_(nullptr),
    name_(conf.getParameter<std::string>("AlgorithmName"))
    {}
  virtual ~HGCalTriggerBackendAlgorithmBase() {}

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

  virtual void setGeometry(const HGCalTriggerGeometryBase* const geom) {geometry_ = geom;}
    
  //runs the trigger algorithm, storing internally the results
  virtual void setProduces(edm::EDProducer& prod) const = 0;

  virtual void run(const l1t::HGCFETriggerDigiCollection& coll, const edm::EventSetup& es) = 0;

  virtual void putInEvent(edm::Event& evt) = 0;

  virtual void reset() = 0;

 protected:
  const HGCalTriggerGeometryBase* geometry_;

 private:
  const std::string name_;
};

// ----> all backend algorithm classes derive from this <----
// inheritance looks like class MyAlgorithm : public HGCalTriggerBackend::Algorithm<MyCodec>
namespace HGCalTriggerBackend {
  template<typename FECODEC>
  class Algorithm : public HGCalTriggerBackendAlgorithmBase { 
  public:
    Algorithm(const edm::ParameterSet& conf) :  
    HGCalTriggerBackendAlgorithmBase(conf),
    codec_(conf.getParameterSet("FECodec")){ }

    virtual void setGeometry(const HGCalTriggerGeometryBase* const geom) override final {
      HGCalTriggerBackendAlgorithmBase::setGeometry(geom);
      codec_.setGeometry(geom);
    }
    
  protected:    
    FECODEC codec_;  
  };
}

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

#endif