rvc/statdbfield.h

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#ifndef INC_RVC_STATDBFIELD_H
#define INC_RVC_STATDBFIELD_H

#ifndef INC_RVC_OBJECT_H
   #include <rvc/object.h>
#endif

#ifndef INC_MI32_STATUNIVAR_H
   #include <mi32/statunivar.h>
#endif

#ifndef GENERATING_DOXYGEN_OUTPUT
// Forward Declarations
namespace RVC {
   class CREDENTIALS;
   class FILEHANDLE;
   class DBTABLE;
   struct OBJHDR_STATDBFIELD;
   }
#endif      // GENERATING_DOXYGEN_OUTPUT

namespace RVC {

class STAT_DBFIELD : public RVC::OBJECT {
   public:

      class FILTER_FIELDNUM;

      static int FindAndRead (
         const RVC::DBTABLE& ObjTable,       
         INT32 FieldNum,                     
         STAT_UNIVARIATE& Stats              
         );

      STAT_DBFIELD (
         );

      STAT_DBFIELD (
         const STAT_DBFIELD& rhs
         );

      virtual ~STAT_DBFIELD (
         );

      STAT_DBFIELD& operator= (
         const STAT_DBFIELD& rhs
         );

      INT32 GetFieldNum () const
         { return (m_FieldNum); }

      const STAT_UNIVARIATE& GetStatistics () const
         { return (m_Stats); }

      ERRVALUE Read (
         const RVC::DBTABLE& ObjTable,
         INT32 FieldNum,
         const CREDENTIALS *pCredentials RVC_DEFAULT_CREDENTIALS  
         );

      ERRVALUE Write (
         const RVC::DBTABLE& ObjTable,
         INT32 FieldNum,
         const STAT_UNIVARIATE& Stats,
         const CREDENTIALS *pCredentials RVC_DEFAULT_CREDENTIALS  
         );

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      INT32 m_FieldNum;
      STAT_UNIVARIATE m_Stats;

      static ERRVALUE ReadHeader (FILEHANDLE *pFileHandle, const OBJECT& obj, OBJHDR_STATDBFIELD& objhdr);

      // Implementation of RVC::OBJECT virtual methods
      virtual OBJTYPE v_GetDftObjectType () const;

      #endif // GENERATING_DOXYGEN_OUTPUT
   };

class STAT_DBFIELD::FILTER_FIELDNUM : public OBJECT::FILTER {
   public:

      FILTER_FIELDNUM (
         const DBTABLE& ObjTable,
         INT32 FieldNum
         );

      virtual ~FILTER_FIELDNUM ();
         
   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      FILEHANDLE *m_pFileHandle;
      INT32 m_FieldNum;
      
      virtual bool Filter (const RVC::OBJECT& obj);
      #endif      // GENERATING_DOXYGEN_OUTPUT
   };

}     // End namespace RVC

#endif      // INC_RVC_STATDBFIELD_H

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