CondProxyProvider.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef CONDPROXYPROVIDER_H
#define CONDPROXYPROVIDER_H

 
#include "GaudiKernel/ServiceHandle.h"
#include "Gaudi/Property.h"  /*no forward decl: typedef*/
#include "AthenaKernel/IAddressProvider.h"
#include "AthenaBaseComps/AthService.h"
#include "AthenaPoolCnvSvc/IAthenaPoolCnvSvc.h"
#include <memory>
 
// Forward declarations
namespace pool {
   class ICollectionCursor;
}
class ISvcLocator;
class PoolCollectionConverter;
class StoreGateSvc;

class CondProxyProvider : public extends<AthService, IAddressProvider> {
public: // Constructor and Destructor
   CondProxyProvider(const std::string& name, ISvcLocator* pSvcLocator);
   virtual ~CondProxyProvider();

   virtual StatusCode initialize() override;

   virtual StatusCode preLoadAddresses(StoreID::type storeID, IAddressProvider::tadList& tads) override;

   virtual StatusCode loadAddresses(StoreID::type storeID, IAddressProvider::tadList& tads) override;

   virtual StatusCode updateAddress(StoreID::type storeID, SG::TransientAddress* tad,
                                    const EventContext& ctx) override;
 
private: // data
   ServiceHandle<IAthenaPoolCnvSvc> m_athenaPoolCnvSvc{this, "ConversionService", "AthenaPoolCnvSvc"};
   unsigned int m_contextId;
 
private: // properties
   Gaudi::Property<std::vector<std::string>> m_inputCollectionsProp
   { this, "InputCollections", {}, "Files to read", "OrderedSet<std::string>" };
   std::vector<std::string>::const_iterator m_inputCollectionsIterator{};
 
private: // internal helper functions
  std::unique_ptr<PoolCollectionConverter> getCollectionCnv();
};
 
#endif