OutputStreamSequencerSvc.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef OUTPUTSTREAMSEQUENCERSVC_H
#define OUTPUTSTREAMSEQUENCERSVC_H
 
#include "GaudiKernel/ServiceHandle.h"
#include "Gaudi/Property.h"  // no forward decl: typedef
#include "GaudiKernel/IIncidentListener.h"
#include "AthenaBaseComps/AthService.h"
 
#include <memory>
#include <map>
#include <mutex>
 
// Forward declarations
class MetaDataSvc;
 
static const InterfaceID IID_OutputStreamSequencerSvc("OutputStreamSequencerSvc", 1, 0);
 
template <class TYPE> class SvcFactory;
 
class OutputStreamSequencerSvc : public ::AthService,
  virtual public IIncidentListener {
 
 public:
  typedef std::pair<std::string,std::string> RangeReport_t; // (RangeID,RangeFileName)
  typedef std::unique_ptr<RangeReport_t>     RangeReport_ptr;
 
public: // Constructor and Destructor
   OutputStreamSequencerSvc(const std::string& name, ISvcLocator* pSvcLocator);
   virtual ~OutputStreamSequencerSvc();
 
   static const InterfaceID& interfaceID() { return IID_OutputStreamSequencerSvc; }
 
public: // Non-static members
   virtual StatusCode initialize() override final;
   virtual StatusCode finalize() override final;
   virtual StatusCode queryInterface(const InterfaceID& riid, void** ppvInterface) override final;
 
   virtual void handle(const Incident& /*inc*/) override final;
 
   std::string buildSequenceFileName(const std::string&);
   void publishRangeReport(const std::string& outputFile);
   RangeReport_ptr getRangeReport();
 
   std::string  incidentName() const            { return m_incidentName.value(); }
 
   std::string  currentRangeID() const;
 
   std::string  setRangeID(const std::string & rangeID);
 
   bool         inUse() const;
  
   static bool  inConcurrentEventsMode();
 
   const std::string& lastIncident()            { return m_lastIncident; }
 
private: // data
   ServiceHandle<MetaDataSvc> m_metaDataSvc;
 
   int m_fileSequenceNumber;
 
   std::string  m_currentRangeID;
 
   std::string  m_lastFileName;
 
   std::string  m_lastIncident;
 
   std::vector<std::string>   m_rangeIDinSlot;
 
private: // properties
   StringProperty             m_incidentName {this, "SequenceIncidentName", "",
         "Name of the incident that signals the next Event Range start" };
   BooleanProperty            m_reportingOn {this, "ReportingOn", false,
         "If True, keep info about Ranges for getRangeReport() calls"};
 
   std::map<std::string,std::string> m_fnToRangeId;
   std::map<std::string,std::string>::iterator m_finishedRange;
 
   mutable std::mutex         m_mutex;
};
 
#endif