fio_Alter_t Struct Reference
[Classes for large file i/o, relative file, and DataBase]

#include <fio_Alteration.h>

Detailed Description

Definition at line 44 of file fio_Alteration.h.


Public Member Functions
	fio_Alter_t ()
	fio_Alter_t (UInt16_t a_fileID, ivd_FilePosition_t a_filePosition, ivd_FileBufSize_t a_bufSize)
void	Init (UInt16_t a_fileID, ivd_FilePosition_t a_filePosition, ivd_FileBufSize_t a_bufSize)
	~fio_Alter_t ()
	fio_Alter_t (fio_JourHandle *m_jourHnd_p)
bool	isValid ()
bool	operator== (fio_Alter_t &a)
void	Dump (ostream &os, int a_recSize, int a_offset)
Public Attributes
UInt16_t	Prefix
UInt8_t	version
UInt8_t	fileID
ivd_FilePosition_t	filePosition
ivd_FileBufSize_t	bufSize
UInt16_t	Suffix
	log_CLASSID_m

Constructor & Destructor Documentation

fio_Alter_t::fio_Alter_t ( ) [inline]

Definition at line 45 of file fio_Alteration.h.

00045 {};

fio_Alter_t::fio_Alter_t	(	UInt16_t	a_fileID,
		ivd_FilePosition_t	a_filePosition,
		ivd_FileBufSize_t	a_bufSize
	)			`[inline]`

Definition at line 46 of file fio_Alteration.h.

00050         :
00051         Prefix(c_fio_AlterPrefix_d),
00052         version(fio_ALTER_T_version),
00053         fileID((UInt8_t)a_fileID),
00054         filePosition(a_filePosition),
00055         bufSize(a_bufSize),
00056         Suffix(c_fio_AlterSuffix_d)
00057     {
00058         // empty
00059     };

fio_Alter_t::~fio_Alter_t ( ) [inline]

Definition at line 73 of file fio_Alteration.h.

00073 {};

fio_Alter_t::fio_Alter_t ( fio_JourHandle * m_jourHnd_p )

Definition at line 52 of file fio_Alteration.cpp.

References ie_NOT_ALTER_T, isValid(), ivd_Error, fio_JourHandle::JourRead(), and len.

00052                                                      {
00053     unsigned int len = m_jourHnd_p->JourRead(this, sizeof(fio_Alter_t));
00054 
00055     if (!isValid()
00056         || len != sizeof(fio_Alter_t)) {
00057         throw ivd_Error(ie_NOT_ALTER_T, "", false);
00058     }
00059 }

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Member Function Documentation

void fio_Alter_t::Init	(	UInt16_t	a_fileID,
		ivd_FilePosition_t	a_filePosition,
		ivd_FileBufSize_t	a_bufSize
	)			`[inline]`

Definition at line 61 of file fio_Alteration.h.

References bufSize, c_fio_AlterPrefix_d, c_fio_AlterSuffix_d, fileID, filePosition, fio_ALTER_T_version, Prefix, Suffix, and version.

Referenced by fio_AlterJourBlock::Insert().

00064     {
00065         Prefix  = c_fio_AlterPrefix_d,
00066         version = fio_ALTER_T_version,
00067         fileID  = (UInt8_t)a_fileID,
00068         filePosition = a_filePosition,
00069         bufSize = a_bufSize,
00070         Suffix  = c_fio_AlterSuffix_d;
00071     };

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bool fio_Alter_t::isValid ( )

Definition at line 63 of file fio_Alteration.cpp.

References bufSize, c_fio_AlterPrefix_d, c_fio_AlterSuffix_d, fileID, filePosition, fio_ALTER_T_version, Prefix, Suffix, and version.

Referenced by fio_Alter_t().

00063                           { return (  (fileID       > 0)
00064                         && (version   == fio_ALTER_T_version)
00065                         && (filePosition > 0)
00066                         && (bufSize      > 0)
00067                         && (Prefix == c_fio_AlterPrefix_d)
00068                         && (Suffix == c_fio_AlterSuffix_d)
00069                         );
00070 }

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bool fio_Alter_t::operator== ( fio_Alter_t & a )

Definition at line 74 of file fio_Alteration.cpp.

References bufSize, fileID, filePosition, Prefix, Suffix, and version.

00074                                             {
00075     return  (  (fileID       == a.fileID)
00076             && (version      == a.version)
00077             && (filePosition == a.filePosition)
00078             && (bufSize      == a.bufSize)
00079             && (Prefix       == a.Prefix)
00080             && (Suffix       == a.Suffix)
00081             );
00082 }

void fio_Alter_t::Dump	(	ostream &	os,
		int	a_recSize,
		int	a_offset
	)

Definition at line 86 of file fio_Alteration.cpp.

References bufSize, c_fio_maxRelFileHeadLen, fileID, and filePosition.

Referenced by fio_JourFile::Dump().

00086                                                                {    
00087     os << setw(5) << int(fileID) << setw(10);
00088     if (a_recSize == 0) {
00089         os << "   IDX = ???? Size is not specified." << int(fileID);
00090     }
00091     else {
00092         if (filePosition < a_offset) {
00093             os << (filePosition - c_fio_maxRelFileHeadLen) / sizeof(fio_uvListHeader_t)
00094                << "H";
00095         }
00096         else {
00097             os << (filePosition - a_offset) / a_recSize << "R";
00098         }
00099     }  
00100     os << setw(10) << filePosition;
00101     os << setw(10) << bufSize  << '\n';
00102 }