NAME
AtteanX::Store::LMDB - LMDB-based RDF store
VERSION
This document describes AtteanX::Store::LMDB version 0.001
SYNOPSIS
use AtteanX::Store::LMDB;
DESCRIPTION
AtteanX::Store::LMDB provides a persistent quad-store based on LMDB.
METHODS
Beyond the methods documented below, this class inherits methods from the Attean::API::QuadStore class.
new ()
-
Returns a new LMDB-backed store object.
size
-
Returns the number of quads in the store.
get_quads ( $subject, $predicate, $object, $graph )
-
Returns a stream object of all statements matching the specified subject, predicate, object, and graph. Any of the arguments may be undef to match any value.
get_graphs
-
Returns an iterator over the Attean::API::Term objects comprising the set of graphs of the stored quads.
add_quad ( $quad )
-
Adds the specified
$quad
to the underlying model. remove_quad ( $statement )
-
Removes the specified
$statement
from the underlying model. create_graph( $graph )
-
This is a no-op function for the memory quad-store.
drop_graph( $graph )
-
Removes all quads with the given
$graph
. clear_graph( $graph )
-
Removes all quads with the given
$graph
.
BUGS
Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/perlrdf2/issues.
AUTHOR
Gregory Todd Williams <gwilliams@cpan.org>
SEE ALSO
Diomede is a Swift LMDB-based quadstore that shares the same file format as this module.
COPYRIGHT
Copyright (c) 2020 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.