VERSION
This document describes RDF::Query::Federate version 2.916.STATUS
This module's API and functionality should be considered deprecated. If you need functionality that this module provides, please get in touch <http://www.perlrdf.org/>.SYNOPSIS
my $service = RDF::Query::ServiceDescription->new( $url );
my $query = new RDF::Query::Federate ( $sparql );
$query->add_service( $service );
my $stream = $query->execute();
DESCRIPTION
...METHODS
- "new ( $query, \%options )"
- "new ( $query, $base_uri, $languri, $lang )"
-
Returns a new RDF::Query::Federate object for the specified $query.
The query language defaults to SPARQLP, but may be set specifically by
specifying either $languri or $lang, whose acceptable values are:
$lang: 'rdql', 'sparql11', or 'sparql' $languri: 'http://www.w3.org/TR/rdf-sparql-query/', or 'http://jena.hpl.hp.com/2003/07/query/RDQL'
- "add_service ( $service_description )"
- Adds the service described by $service_description to the query's list of data sources.
- "services"
- "algebra_fixup ( $algebra, $bridge, $base_uri, $ns )"
- Called in the fixup method of ::Algebra classes, returns either an optimized ::Algebra object ready for execution, or undef (in which case it will be prepared for execution by the ::Algebra::* class itself.