EventHandler.cpp

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/*
 *  CepGen: a central exclusive processes event generator
 *  Copyright (C) 2023-2024  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/>.
 */
 
#include "CepGen/Core/Exception.h"
#include "CepGen/Core/RunParameters.h"
#include "CepGen/EventFilter/EventHandler.h"
 
namespace cepgen {
  EventHandler::EventHandler(const ParametersList& params) : NamedModule(params) {}
 
  EventHandler::~EventHandler() {
    CG_DEBUG("EventHandler") << "Destructor called for '" << name_ << "' event handler.";
  }
 
  ParametersDescription EventHandler::description() {
    auto desc = ParametersDescription();
    desc.setDescription("Unnamed event handler");
    return desc;
  }
 
  void EventHandler::initialise(const RunParameters& params) {
    if (initialised_)
      CG_WARNING("EventHandler:initialise") << "Event handler '" << name_ << "' was already initialised.";
    run_params_ = &params;
    initialise();
    initialised_ = true;
  }
 
  const RunParameters& EventHandler::runParameters() const {
    if (!run_params_)
      throw CG_FATAL("EventHandler:runParameters") << "Run parameters not yet initialised.";
    return *run_params_;
  }
 
  void* EventHandler::enginePtr() {
    throw CG_FATAL("EventHandler:enginePtr")
        << "No engine object declared for event handler with name '" << name_ << "'.";
  }
}  // namespace cepgen