PoolDbEvtSelector.h

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// $Id: PoolDbEvtSelector.h,v 1.3 2004/07/06 13:10:21 mato Exp $
//====================================================================
//      PoolDbEvtSelector.h
//--------------------------------------------------------------------
//
//      Package    : GaudiPoolDb
//
//  Description: The PoolDbEvtSelector component is able
//               to produce a list of event references given a set of "selection
//               criteria".
//
//  Author     : M.Frank
//  Created    : 4/01/99
//
//====================================================================
// $Header: /tmp/svngaudi/tmp.jEpFh25751/Gaudi/GaudiPoolDb/GaudiPoolDb/PoolDbEvtSelector.h,v 1.3 2004/07/06 13:10:21 mato Exp $

#ifndef POOLDB_POOLDBEVTSELECTOR_H
#define POOLDB_POOLDBEVTSELECTOR_H 1

// Include files
#include "GaudiKernel/Kernel.h"
#include "GaudiKernel/IEvtSelector.h"
#include "GaudiKernel/IProperty.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/Service.h"
#include "GaudiKernel/DataObject.h"
#include "PersistencySvc/ITokenIterator.h"
// C++ include files
#include <list>

// Forward declarations
class IPoolDbMgr;

//--------------------------------------------------------------------
// Event Selector 
//--------------------------------------------------------------------

class PoolDbEvtSelector 
: public Service, 
  virtual public IEvtSelector 
{
public:
  virtual StatusCode initialize();

  virtual StatusCode finalize();

  // IInterface implementation: query interfaces
  virtual StatusCode queryInterface(const InterfaceID& riid, void** ppvInterface);


  virtual StatusCode createContext(Context*& refpCtxt) const;

  virtual StatusCode last(Context& refContext) const;


  virtual StatusCode next(Context& refCtxt) const;


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


  virtual StatusCode previous(Context& refCtxt) const;


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


  virtual StatusCode rewind(Context& refCtxt) const;


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


  virtual StatusCode releaseContext(Context*& refCtxt) const;

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

  PoolDbEvtSelector( const std::string& name, ISvcLocator* svcloc );

  virtual ~PoolDbEvtSelector();

protected:
  // Data Members
  std::string                   m_cnvSvcName;
  IPoolDbMgr*                   m_dbMgr;
  CLID                          m_rootCLID;
  std::string                   m_rootName;
  std::string                   m_criteria;
};
#endif  // POOLDB_POOLDBEVTSELECTOR_H