RootEvtSelector.h

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//====================================================================
//  RootTreeEvtSelector.h
//--------------------------------------------------------------------
//
//  Package    : RootCnv
//
//  Description: The RootEvtSelector component is able
//               to produce a list of event references given a set of "selection
//               criteria".
//
//  Author     : M.Frank
//  Created    : 4/01/99
//
//====================================================================

#ifndef GAUDIROOTCNV_ROOTEVTSELECTOR_H
#define GAUDIROOTCNV_ROOTEVTSELECTOR_H 1

// Framework include files
#include "GaudiKernel/IEvtSelector.h"
#include "GaudiKernel/Service.h"

/*
 *  Gaudi namespace declaration
 */
namespace Gaudi
{

  // Forward declarations
  class RootCnvSvc;

  class GAUDI_API RootEvtSelector : public extends<Service, IEvtSelector>
  {

    StatusCode error( const std::string& msg ) const;

  public:
    using extends::extends;

    ~RootEvtSelector() override = default;

    StatusCode initialize() override;

    StatusCode finalize() override;


    StatusCode createContext( Context*& refpCtxt ) const override;

    StatusCode last( Context& refContext ) const override;


    StatusCode next( Context& refCtxt ) const override;


    StatusCode next( Context& refCtxt, int jump ) const override;


    StatusCode previous( Context& refCtxt ) const override;


    StatusCode previous( Context& refCtxt, int jump ) const override;


    StatusCode rewind( Context& refCtxt ) const override;


    StatusCode createAddress( const Context& refCtxt, IOpaqueAddress*& ) const override;


    StatusCode releaseContext( Context*& refCtxt ) const override;

    StatusCode resetCriteria( const std::string& cr, Context& c ) const override;

  protected:
    // Data Members
    mutable RootCnvSvc* m_dbMgr;
    CLID m_rootCLID = CLID_NULL;

    Gaudi::Property<std::string> m_persName{this, "EvtPersistencySvc", "EventPersistencySvc",
                                            "Name of the persistency service to search for conversion service"};
    Gaudi::Property<std::string> m_dummy{this, "DbType", "", "dummy property to fake backwards compatibility"};

    std::string m_cnvSvcName = "Gaudi::RootCnvSvc/RootCnvSvc";
    std::string m_rootName;
    std::string m_criteria;
  };
}
#endif // GAUDIROOTCNV_ROOTEVTSELECTOR_H