FlintVersion Class Reference

The FlintVersion class manages the "iamflint" file. More...

#include <flint_version.h>

Collaboration diagram for FlintVersion:

[legend]List of all members.

Public Member Functions
	FlintVersion (const std::string &dbdir)
void	create ()
	Create the version file.
void	read_and_check (bool readonly)
	Read the version file and check it's a version we understand.
Private Attributes
std::string	filename

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Detailed Description

The FlintVersion class manages the "iamflint" file.

The "iamflint" file (currently) contains a "magic" string identifying that this is a flint database and a database format version number.

Definition at line 31 of file flint_version.h.

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Constructor & Destructor Documentation

FlintVersion::FlintVersion

(

const std::string &

dbdir

)

[inline]

Definition at line 35 of file flint_version.h.

References filename.

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Member Function Documentation

void FlintVersion::create

(

)

Create the version file.

Definition at line 61 of file flint_version.cc.

References filename, flint_io_write(), FLINT_VERSION, MAGIC_LEN, MAGIC_STRING, O_BINARY, Xapian::Remote::open(), and VERSIONFILE_SIZE.

Referenced by FlintDatabase::create_and_open_tables(), and read_and_check().

void FlintVersion::read_and_check

(

bool

readonly

)

Read the version file and check it's a version we understand.

Parameters:

readonly

true if the database is being opened readonly.

On failure, an exception is thrown.

Definition at line 92 of file flint_version.cc.

References create(), filename, flint_io_read(), FLINT_VERSION, MAGIC_LEN, MAGIC_STRING, msvc_posix_rename(), O_BINARY, om_tostring(), Xapian::Remote::open(), size, STRINGIZE, and VERSIONFILE_SIZE.

Referenced by FlintDatabase::open_tables(), and FlintDatabase::open_tables_consistent().

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Member Data Documentation

std::string FlintVersion::filename [private]

Definition at line 32 of file flint_version.h.

Referenced by create(), FlintVersion(), and read_and_check().

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The documentation for this class was generated from the following files:

• backends/flint/flint_version.h
• backends/flint/flint_version.cc

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