IScheduler.h

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/***********************************************************************************\
* (c) Copyright 1998-2019 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 GAUDIKERNEL_ISCHEDULER_H
#define GAUDIKERNEL_ISCHEDULER_H

// Framework include files
#include "GaudiKernel/EventContext.h"
#include "GaudiKernel/IInterface.h"

// C++ include files
#include <functional>
#include <vector>

class GAUDI_API IScheduler : virtual public IInterface {
public:
  DeclareInterfaceID( IScheduler, 1, 0 );

  virtual StatusCode pushNewEvent( EventContext* eventContext ) = 0;

  virtual StatusCode pushNewEvents( std::vector<EventContext*>& eventContexts ) = 0;

  virtual StatusCode popFinishedEvent( EventContext*& eventContext ) = 0;

  virtual StatusCode tryPopFinishedEvent( EventContext*& eventContext ) = 0;

  virtual unsigned int freeSlots() = 0;

  virtual void dumpState(){};

  virtual StatusCode scheduleEventView( const EventContext* sourceContext, const std::string& nodeName,
                                        std::unique_ptr<EventContext> viewContext ) = 0;
};
#endif