df/d91/FairDbRowStream_8h_source.html

#ifndef FAIRDBROWSTREAM_H

#define FAIRDBROWSTREAM_H


#include <string>


#include "FairDbFieldType.h"


class FairDbTableMetaData;


class FairDbRowStream

{


  public:


// Constructors and destructors.

    FairDbRowStream(const FairDbTableMetaData* metaData);

    virtual ~FairDbRowStream();


    virtual

    const FairDbFieldType& ColFieldType(UInt_t col) const;

    virtual       string ColName(UInt_t col) const;

    virtual

    const FairDbFieldType& CurColFieldType() const;

    virtual       string CurColName() const;

    virtual       UInt_t CurColNum() const { return fCurCol;}

    Bool_t HasRowCounter() const { return fHasRowCounter; }

    virtual       UInt_t NumCols() const;

    virtual       string TableName() const;

    virtual       string TableNameTc() const;

    virtual const FairDbTableMetaData*

    MetaData() const { return fMetaData; }

    // State changing member functions


    virtual    void DecrementCurCol() {

      fCurCol = (fCurCol <= 1) ? 1 : fCurCol -1;

    }

    // Allow IncrementCurCol to step off end (to catch attempt to read

    // too much data)

    virtual    void IncrementCurCol() { ++fCurCol; }


  protected:


    virtual    void ClearCurCol() { fCurCol = 1; }


  private:


    UShort_t fCurCol;

    Bool_t fHasRowCounter;

    const FairDbTableMetaData* fMetaData;


    FairDbRowStream(const FairDbRowStream&);

    FairDbRowStream operator=(const FairDbRowStream&);


    ClassDef(FairDbRowStream,0)     // I/O of a table row.


};


#endif  // FAIRDBROWSTREAM_H