EventImporter.h

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/*
 *  CepGen: a central exclusive processes event generator
 *  Copyright (C) 2022-2024  Laurent Forthomme
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef CepGen_EventFilter_EventImporter_h
#define CepGen_EventFilter_EventImporter_h
 
#include "CepGen/Event/Event.h"
#include "CepGen/EventFilter/EventHandler.h"
#include "CepGen/Utils/Value.h"
 
namespace cepgen {
  class EventImporter : public EventHandler {
  public:
    explicit EventImporter(const ParametersList& params) : EventHandler(params) {}
 
    static ParametersDescription description() {
      auto desc = EventHandler::description();
      desc.setDescription("Unnamed event importer");
      return desc;
    }
 
    virtual bool operator>>(Event&) = 0;                 
    const Value& crossSection() const { return xsec_; }  
 
  protected:
    void setCrossSection(const Value& xsec) { xsec_ = xsec; }
 
  private:
    Value xsec_;
  };
}  // namespace cepgen
 
#endif