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.IX Title "AtteanX::Store::LMDB 3pm"
.TH AtteanX::Store::LMDB 3pm "2020-12-22" "perl v5.32.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
AtteanX::Store::LMDB \- LMDB\-based RDF store
.SH "VERSION"
.IX Header "VERSION"
This document describes AtteanX::Store::LMDB version 0.001
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use AtteanX::Store::LMDB;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
AtteanX::Store::LMDB provides a persistent quad-store based on \s-1LMDB.\s0
.SH "METHODS"
.IX Header "METHODS"
Beyond the methods documented below, this class inherits methods from the
Attean::API::QuadStore class.
.ie n .IP """new ()""" 4
.el .IP "\f(CWnew ()\fR" 4
.IX Item "new ()"
Returns a new LMDB-backed store object.
.ie n .IP """size""" 4
.el .IP "\f(CWsize\fR" 4
.IX Item "size"
Returns the number of quads in the store.
.ie n .IP """get_quads ( $subject, $predicate, $object, $graph )""" 4
.el .IP "\f(CWget_quads ( $subject, $predicate, $object, $graph )\fR" 4
.IX Item "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.
.ie n .IP """get_graphs""" 4
.el .IP "\f(CWget_graphs\fR" 4
.IX Item "get_graphs"
Returns an iterator over the Attean::API::Term objects comprising
the set of graphs of the stored quads.
.ie n .IP """add_quad ( $quad )""" 4
.el .IP "\f(CWadd_quad ( $quad )\fR" 4
.IX Item "add_quad ( $quad )"
Adds the specified \f(CW$quad\fR to the underlying model.
.ie n .IP """remove_quad ( $statement )""" 4
.el .IP "\f(CWremove_quad ( $statement )\fR" 4
.IX Item "remove_quad ( $statement )"
Removes the specified \f(CW$statement\fR from the underlying model.
.ie n .IP """create_graph( $graph )""" 4
.el .IP "\f(CWcreate_graph( $graph )\fR" 4
.IX Item "create_graph( $graph )"
This is a no-op function for the memory quad-store.
.ie n .IP """drop_graph( $graph )""" 4
.el .IP "\f(CWdrop_graph( $graph )\fR" 4
.IX Item "drop_graph( $graph )"
Removes all quads with the given \f(CW$graph\fR.
.ie n .IP """clear_graph( $graph )""" 4
.el .IP "\f(CWclear_graph( $graph )\fR" 4
.IX Item "clear_graph( $graph )"
Removes all quads with the given \f(CW$graph\fR.
.SH "BUGS"
.IX Header "BUGS"
Please report any bugs or feature requests to through the GitHub web interface
at <https://github.com/kasei/perlrdf2/issues>.
.SH "AUTHOR"
.IX Header "AUTHOR"
Gregory Todd Williams  \f(CW\*(C`<gwilliams@cpan.org>\*(C'\fR
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\(bu" 4
Diomede <https://github.com/kasei/diomede/> is a Swift LMDB-based quadstore that shares the same file format as this module.
.SH "COPYRIGHT"
.IX Header "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.