ActionToolBase.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef G4ATLASTOOLS__G4UA__ACTIONTOOLBASE_H
#define G4ATLASTOOLS__G4UA__ACTIONTOOLBASE_H
 
// System includes
#include <memory>
 
// Framework includes
#include "AthenaBaseComps/AthAlgTool.h"
 
// Local includes
#include "ThreadActionHolder.h"
 
namespace G4UA
{

  template <class ActionType>
  class ActionToolBase : public AthAlgTool
  {
 
    public:

      ActionToolBase(const std::string& type, const std::string& name,
                     const IInterface* parent)
        : AthAlgTool(type, name, parent)
      {}

      ActionType* getAction()
      {
        ActionType* action = m_actions.get();
        if(!action){
          auto uniqueAction = makeAction();
          action = uniqueAction.get();
          m_actions.set( std::move(uniqueAction) );
        }
        return action;
      }
 
    protected:

      virtual std::unique_ptr<ActionType> makeAction() = 0;

      const ThreadActionHolder<ActionType>& actions()
      { return m_actions; }
 
    private:

      ThreadActionHolder<ActionType> m_actions;
 
  }; // class ActionToolBase
 

  template <class ActionType>
  class ActionToolBaseReport : public ActionToolBase<ActionType>
  {
 
    public:

      ActionToolBaseReport(const std::string& type, const std::string& name,
                           const IInterface* parent)
        : ActionToolBase<ActionType>(type, name, parent)
      {}
 
    protected:

      void mergeReports(){
        for(auto tidAction : this->actions()) {
          auto& rep = tidAction.second->getReport();
          m_report.merge(rep);
        }
      }

      typename ActionType::Report m_report;
 
  }; // class ActionToolBaseReport
 
} // namespace G4UA
 
#endif