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Manual Reference Pages  -  RDF::TRINE::STORE::SPARQL (3)

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NAME

RDF::Trine::Store::SPARQL - RDF Store proxy for a SPARQL endpoint

CONTENTS

VERSION

This document describes RDF::Trine::Store::SPARQL version 1.014

SYNOPSIS



 use RDF::Trine::Store::SPARQL;



DESCRIPTION

RDF::Trine::Store::SPARQL provides a RDF::Trine::Store API to interact with a remote SPARQL endpoint.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Trine::Store class.
new ( $url ) Returns a new storage object that will act as a proxy for the SPARQL endpoint accessible via the supplied $url.
new_with_config ( $hashref ) Returns a new storage object configured with a hashref with certain keys as arguments.

The storetype key must be SPARQL for this backend.

The following key must also be used:
url The URL of the remote endpoint.

new_with_config ( \%config ) Returns a new RDF::Trine::Store object based on the supplied configuration hashref.
get_statements ( $subject, $predicate, $object [, $context] ) Returns a stream object of all statements matching the specified subject, predicate and objects. Any of the arguments may be undef to match any value.
get_pattern ( $bgp [, $context] ) Returns an iterator object of all bindings matching the specified graph pattern.
get_contexts Returns an RDF::Trine::Iterator over the RDF::Trine::Node objects comprising the set of contexts of the stored quads.
add_statement ( $statement [, $context] ) Adds the specified $statement to the underlying model.
remove_statement ( $statement [, $context]) Removes the specified $statement from the underlying model.
remove_statements ( $subject, $predicate, $object [, $context]) Removes the specified $statement from the underlying model.
count_statements ( $subject, $predicate, $object, $context ) Returns a count of all the statements matching the specified subject, predicate, object, and context. Any of the arguments may be undef to match any value.
size Returns the number of statements in the store.
supports ( [ $feature ] ) If $feature is specified, returns true if the feature is supported by the store, false otherwise. If $feature is not specified, returns a list of supported features.
get_sparql ( $sparql ) Returns an iterator object of all bindings matching the specified SPARQL query.

BUGS

Please report any bugs or feature requests to through the GitHub web interface at <https://github.com/kasei/perlrdf/issues>.

AUTHOR

Gregory Todd Williams <gwilliams@cpan.org>

COPYRIGHT

Copyright (c) 2006-2012 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
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perl v5.20.3 RDF::TRINE::STORE::SPARQL (3) 2015-05-17

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