HiveSlimEventLoopMgr.h

Go to the documentation of this file.

#ifndef GAUDIHIVE_HIVESLIMEVENTLOOPMGR_H
#define GAUDIHIVE_HIVESLIMEVENTLOOPMGR_H 1

// Framework include files
#include "GaudiKernel/IAlgExecStateSvc.h"
#include "GaudiKernel/IAlgResourcePool.h"
#include "GaudiKernel/IEvtSelector.h"
#include "GaudiKernel/IHiveWhiteBoard.h"
#include "GaudiKernel/IIncidentListener.h"
#include "GaudiKernel/IIncidentSvc.h"
#include "GaudiKernel/IScheduler.h"
#include "GaudiKernel/MinimalEventLoopMgr.h"

// Standard includes
#include <functional>

// External Libraries
#include "tbb/concurrent_queue.h"
#include <boost/dynamic_bitset.hpp>

// Forward declarations
class IIncidentSvc;
class IDataManagerSvc;
class IDataProviderSvc;

class HiveSlimEventLoopMgr : public extends<Service, IEventProcessor>
{

protected:
  Gaudi::Property<std::string> m_histPersName{this, "HistogramPersistency", "", ""};
  Gaudi::Property<std::string> m_evtsel{this, "EvtSel", "", ""};
  Gaudi::Property<bool> m_warnings{this, "Warnings", true, "Set this property to false to suppress warning messages"};
  Gaudi::Property<std::string> m_schedulerName{this, "SchedulerName", "ForwardSchedulerSvc",
                                               "Name of the scheduler to be used"};
  Gaudi::Property<std::vector<unsigned int>> m_eventNumberBlacklist{this, "EventNumberBlackList", {}, ""};

  SmartIF<IDataManagerSvc> m_evtDataMgrSvc;
  SmartIF<IEvtSelector> m_evtSelector;
  IEvtSelector::Context* m_evtContext = nullptr;
  SmartIF<IDataManagerSvc> m_histoDataMgrSvc;
  SmartIF<IConversionSvc> m_histoPersSvc;
  SmartIF<IHiveWhiteBoard> m_whiteboard;
  SmartIF<IAlgResourcePool> m_algResourcePool;
  SmartIF<IAlgExecStateSvc> m_algExecStateSvc;
  SmartIF<IProperty> m_appMgrProperty;
  bool m_endEventFired = false;
  SmartIF<IScheduler> m_schedulerSvc;
  StatusCode clearWBSlot( int evtSlot );
  StatusCode declareEventRootAddress();
  StatusCode createEventContext( EventContext*& eventContext, int createdEvents );
  StatusCode drainScheduler( int& finishedEvents );
  SmartIF<IIncidentListener> m_abortEventListener;
  bool m_scheduledStop = false;
  SmartIF<IAppMgrUI> m_appMgrUI;
  SmartIF<IIncidentSvc> m_incidentSvc;

  // if finite number of evts is processed use bitset
  boost::dynamic_bitset<>* m_blackListBS = nullptr;

public:
  HiveSlimEventLoopMgr( const std::string& nam, ISvcLocator* svcLoc );
  ~HiveSlimEventLoopMgr() override;
  StatusCode getEventRoot( IOpaqueAddress*& refpAddr );
  StatusCode initialize() override;
  StatusCode reinitialize() override;
  StatusCode stop() override;
  StatusCode finalize() override;
  StatusCode nextEvent( int maxevt ) override;
  StatusCode executeEvent( void* par ) override;
  StatusCode executeRun( int maxevt ) override;
  StatusCode stopRun() override;
};
#endif // GAUDIHIVE_HIVESLIMEVENTLOOPMGR_H