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.IX Title "Attean::QuadModel 3pm"
.TH Attean::QuadModel 3pm "2019-02-13" "perl v5.28.1" "User Contributed Perl Documentation"
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.SH "NAME"
Attean::QuadModel \- RDF model backed by a quad\-store
.SH "VERSION"
.IX Header "VERSION"
This document describes Attean::QuadModel version 0.021
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&  use v5.14;
\&  use Attean;
\&  my $model = Attean::QuadModel\->new( store => $store );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The Attean::QuadModel class represents a model that is backed by a single
Attean::API::QuadStore object.
It conforms to the Attean::API::Model role.
.PP
The Attean::QuadModel constructor requires one named argument:
.IP "store" 4
.IX Item "store"
A Attean::API::QuadStore object representing the backing
quad-store.
.SH "METHODS"
.IX Header "METHODS"
.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, $graph )"
Returns an Attean::API::Iterator for quads in the model that match the
supplied \f(CW$subject\fR, \f(CW$predicate\fR, \f(CW$object\fR, and \f(CW$graph\fR.
Any of these terms may be undefined or a Attean::API::Variable object, in
which case that term will be considered as a wildcard for the purposes of
matching.
.Sp
The returned iterator conforms to both Attean::API::Iterator and
Attean::API::QuadIterator.
.ie n .IP """plans_for_algebra( $algebra, $model, $active_graphs, $default_graphs )""" 4
.el .IP "\f(CWplans_for_algebra( $algebra, $model, $active_graphs, $default_graphs )\fR" 4
.IX Item "plans_for_algebra( $algebra, $model, $active_graphs, $default_graphs )"
Delegates to the underlying store if the store consumes Attean::API::CostPlanner.
.ie n .IP """cost_for_plan( $plan )""" 4
.el .IP "\f(CWcost_for_plan( $plan )\fR" 4
.IX Item "cost_for_plan( $plan )"
Delegates to the underlying store if the store consumes Attean::API::CostPlanner.
.SH "BUGS"
.IX Header "BUGS"
Please report any bugs or feature requests to through the GitHub web interface
at <https://github.com/kasei/attean/issues>.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.SH "AUTHOR"
.IX Header "AUTHOR"
Gregory Todd Williams  \f(CW\*(C`<gwilliams@cpan.org>\*(C'\fR
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2014\-\-2018 Gregory Todd Williams.
This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.