void DataLoad (void* buffer_, int length_); Read an exact number of bytes virtual int DataRead (void* buffer_, int length_); Read a number of bytes virtual void DataSeek (t4_i32 position_); Set file position virtual bool DataWrite (const void* buffer_, int length_); Write a number of bytes, return true if successful virtual bool IsValid () const; True if we can do I/O with this object virtual void ResetFileMapping (); Override to support memory-mapped files bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
virtual int DataRead (void* buffer_, int length_); Read a number of bytes virtual void DataSeek (t4_i32 position_); Set file position virtual bool DataWrite (const void* buffer_, int length_); Write a number of bytes, return true if successful virtual bool IsValid () const; True if we can do I/O with this object virtual void ResetFileMapping (); Override to support memory-mapped files bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
virtual void DataSeek (t4_i32 position_); Set file position virtual bool DataWrite (const void* buffer_, int length_); Write a number of bytes, return true if successful virtual bool IsValid () const; True if we can do I/O with this object virtual void ResetFileMapping (); Override to support memory-mapped files bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
virtual bool DataWrite (const void* buffer_, int length_); Write a number of bytes, return true if successful virtual bool IsValid () const; True if we can do I/O with this object virtual void ResetFileMapping (); Override to support memory-mapped files bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
virtual bool IsValid () const; True if we can do I/O with this object virtual void ResetFileMapping (); Override to support memory-mapped files bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
virtual void ResetFileMapping (); Override to support memory-mapped files bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
bool _bytesFlipped; True if the storage format is not native (default is false) int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
int _failure; Error code of last failed I/O operation, zero if I/O was ok bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
bool _keepAfterCommit; Keep data in memory after each commit (default is false) const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
const t4_byte* _mapLimit; Past last byte in file mapping, zero if not active const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
const t4_byte* _mapStart; First byte in file mapping, zero if not active c4_Strategy (); virtual ~c4_Strategy ();
c4_Strategy (); virtual ~c4_Strategy ();
virtual ~c4_Strategy ();