RootIOBaseCnv.h

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#ifndef ROOTIOBASECNV_H
#define ROOTIOBASECNV_H


#include "RootIOSvc/IRootIOSvc.h"
#include "RootIOSvc/IRootIOCnv.h"

#include "RootIOSvc/RootIOBaseObject.h"

#include "GaudiKernel/Converter.h"

extern const long int ROOT_StorageType;

class RootInputAddress;
class RootOutputAddress;

class RootIOBaseCnv : public Converter,
                      virtual public IRootIOCnv
{
public:

    RootIOBaseCnv(const CLID& clid, ISvcLocator* svc);
    virtual ~RootIOBaseCnv();
    
    static unsigned char storageType() {
        return ROOT_StorageType; 
    }

    virtual long repSvcType() const {
        return ROOT_StorageType; 
    }

    
    virtual StatusCode initialize();
    virtual StatusCode finalize();
    
    virtual StatusCode createObj(IOpaqueAddress* addr,
                                 DataObject*& dat );   

    virtual StatusCode createRep(DataObject* pObject,
                                 IOpaqueAddress*& refpAddress);
    
    virtual StatusCode fillRepRefs(IOpaqueAddress* pAddress,
                                   DataObject* pObject);

    virtual StatusCode fillObjRefs(IOpaqueAddress* pAddress,
                                   DataObject* pObject);

    virtual StatusCode TranObjectToPerObject(DataObject& dat, 
                                             const RootOutputAddress& roa) = 0;

    virtual StatusCode PerObjectToTranObject(DataObject*& dat) = 0;

    int commit(const RootOutputAddress& roa);

    // Subclass must implement:
    // RootInputStream* makeInputStream(RootInputAddress* ria);
    // RootOutputStream* makeOutputStream(RootOutputAddress* roa);

    // Implemented by RootIOTypedCnv
    virtual const RootIOBaseObject* getBaseInputObject() = 0;
    virtual const RootIOBaseObject* getBaseOutputObject() = 0;

    RootIOBaseCnv* otherConverter(int clID);

protected:

    IRootIOSvc* m_rioSvc;

    IConversionSvc* m_cnvSvc;

    RootInputStream* m_ris;

};

#endif  // ROOTIOBASECNV_H