AlgExecStateSvc.h

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* (c) Copyright 1998-2024 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#ifndef GAUDICORESVC_ALGEXECSTATESVC_H
#define GAUDICORESVC_ALGEXECSTATESVC_H 1
 
#include <GaudiKernel/IAlgExecStateSvc.h>
#include <GaudiKernel/IAlgorithm.h>
#include <GaudiKernel/Service.h>
 
#include <mutex>
#include <unordered_map>
#include <vector>
 
class AlgExecStateSvc : public extends<Service, IAlgExecStateSvc> {
public:
  using extends::extends;
 
  typedef IAlgExecStateSvc::AlgStateMap_t AlgStateMap_t;
 
  using IAlgExecStateSvc::algExecState;
  const AlgExecState&  algExecState( const Gaudi::StringKey& algName, const EventContext& ctx ) const override;
  AlgExecState&        algExecState( IAlgorithm* iAlg, const EventContext& ctx ) override;
  const AlgStateMap_t& algExecStates( const EventContext& ctx ) const override;
 
  void reset( const EventContext& ctx ) override;
 
  using IAlgExecStateSvc::addAlg;
  void addAlg( const Gaudi::StringKey& algName ) override;
 
  const EventStatus::Status& eventStatus( const EventContext& ctx ) const override;
 
  void setEventStatus( const EventStatus::Status& sc, const EventContext& ctx ) override;
 
  void updateEventStatus( const bool& b, const EventContext& ctx ) override;
 
  unsigned int algErrorCount( const IAlgorithm* iAlg ) const override;
  void         resetErrorCount( const IAlgorithm* iAlg ) override;
  unsigned int incrementErrorCount( const IAlgorithm* iAlg ) override;
 
  void dump( std::ostringstream& ost, const EventContext& ctx ) const override;
 
private:
  // one vector entry per event slot
  std::vector<AlgStateMap_t>              m_algStates;
  std::vector<std::vector<AlgStateMap_t>> m_algSubSlotStates;
 
  std::vector<EventStatus::Status> m_eventStatus;
  std::vector<Gaudi::StringKey>    m_preInitAlgs;
 
  std::unordered_map<Gaudi::StringKey, std::atomic<unsigned int>> m_errorCount;
 
  void           init();
  void           checkInit() const;
  std::once_flag m_initFlag;
  bool           m_isInit{ false };
 
  std::mutex m_mut;
};
 
#endif