IDataHandleHolder.h

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#ifndef GAUDIKERNEL_IDATAHANDLEHOLDER
#define GAUDIKERNEL_IDATAHANDLEHOLDER 1

#include "GaudiKernel/DataHandle.h"
#include "GaudiKernel/DataObjID.h"
#include "GaudiKernel/IInterface.h"
#include "GaudiKernel/INamedInterface.h"
#include "GaudiKernel/IProperty.h"
#include "GaudiKernel/SmartIF.h"

class IDataProviderSvc;

namespace Gaudi
{
  inline namespace v1
  {
    class DataHandle;
  }
  namespace v2
  {
    class DataHandle;
  }
}

class GAUDI_API IDataHandleHolder : virtual public extend_interfaces<INamedInterface, IProperty>
{
  using AccessMode = Gaudi::v2::DataHandle::AccessMode;

public:
  DeclareInterfaceID( IDataHandleHolder, 1, 0 );

  virtual SmartIF<IDataProviderSvc>& eventSvc() const = 0;

  virtual void registerDataHandle( Gaudi::v2::DataHandle& ) = 0;

  virtual void addDataDependency( const DataObjID&, AccessMode ) = 0;

  virtual const DataObjIDColl& dataDependencies( AccessMode ) const = 0;

  virtual void declare( Gaudi::v1::DataHandle& ) = 0;

  virtual void renounce( Gaudi::v1::DataHandle& ) = 0;

  // ---------------------------------------------------------------------------
  // The following interfaces expose implementation details of the
  // DataHandleHolderBase, and are only meant to be used by said implementation.
  // Please refrain from using them elsewhere.
  // ---------------------------------------------------------------------------

  virtual const DataObjIDColl* allDataDependencies() const = 0;
};

#endif // !GAUDIKERNEL_IDATAHANDLEHOLDER