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Diffstat (limited to 'storage/connect/filamfix.h')
-rw-r--r-- | storage/connect/filamfix.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/storage/connect/filamfix.h b/storage/connect/filamfix.h new file mode 100644 index 00000000..a99a36af --- /dev/null +++ b/storage/connect/filamfix.h @@ -0,0 +1,93 @@ +/************** FilAMFix H Declares Source Code File (.H) **************/ +/* Name: FILAMFIX.H Version 1.3 */ +/* */ +/* (C) Copyright to the author Olivier BERTRAND 2005 - 2014 */ +/* */ +/* This file contains the FIX file access method classes declares. */ +/***********************************************************************/ + +#ifndef __FILAMFIX_H +#define __FILAMFIX_H + +#include "filamtxt.h" + +typedef class FIXFAM *PFIXFAM; +typedef class BGXFAM *PBGXFAM; + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for standard */ +/* files with fixed record format (FIX, BIN) */ +/***********************************************************************/ +class DllExport FIXFAM : public BLKFAM { + public: + // Constructor + FIXFAM(PDOSDEF tdp); + FIXFAM(PFIXFAM txfp); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_FIX;} + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) FIXFAM(this);} + + // Methods + virtual int Cardinality(PGLOBAL g) {return TXTFAM::Cardinality(g);} + virtual int MaxBlkSize(PGLOBAL g, int s) + {return TXTFAM::MaxBlkSize(g, s);} + virtual bool SetPos(PGLOBAL g, int recpos); + virtual int GetNextPos(void) {return Fpos + 1;} + virtual bool AllocateBuffer(PGLOBAL g); + virtual void ResetBuffer(PGLOBAL g); + virtual int WriteModifiedBlock(PGLOBAL g); + virtual int ReadBuffer(PGLOBAL g); + virtual int WriteBuffer(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g, bool abort); + + protected: + virtual bool CopyHeader(PGLOBAL g) {return false;} + virtual bool MoveIntermediateLines(PGLOBAL g, bool *b); + virtual int InitDelete(PGLOBAL g, int fpos, int spos); + + // No additional members + }; // end of class FIXFAM + + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for files */ +/* that are standard files with columns starting at fixed offset */ +/* This class is for fixed formatted files of more than 2 gigabytes. */ +/***********************************************************************/ +class BGXFAM : public FIXFAM { + public: + // Constructor + BGXFAM(PDOSDEF tdp); + BGXFAM(PBGXFAM txfp); + + // Implementation + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) BGXFAM(this);} + + // Methods + virtual int Cardinality(PGLOBAL g); + virtual bool OpenTableFile(PGLOBAL g); + virtual int WriteModifiedBlock(PGLOBAL g); + virtual int ReadBuffer(PGLOBAL g); + virtual int WriteBuffer(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g, bool abort); + virtual void Rewind(void); + + protected: + virtual bool OpenTempFile(PGLOBAL g); + virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL); + int BigRead(PGLOBAL g, HANDLE h, void *inbuf, int req); + bool BigWrite(PGLOBAL g, HANDLE h, void *inbuf, int req); + bool BigSeek(PGLOBAL g, HANDLE h, BIGINT pos + , int org = FILE_BEGIN); + + // Members + HANDLE Hfile; // Handle(descriptor) to big file + HANDLE Tfile; // Handle(descriptor) to big temp file + }; // end of class BGXFAM + +#endif // __FILAMFIX_H |