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EventImporter.h
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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 {
/// Base event importer module
/// \author Laurent Forthomme <laurent.forthomme@cern.ch>
/// \date Dec 2022
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&) const = 0; ///< Read the next event
const Value& crossSection() const { return xsec_; } ///< Process cross section and uncertainty, in pb
protected:
/// Specify the process cross section and uncertainty, in pb
void setCrossSection(const Value& xsec) { xsec_ = xsec; }
private:
Value xsec_;
};
} // namespace cepgen
#endif