RDF::Trine::Statement - Algebra class for Triple patterns
This document describes RDF::Trine::Statement version 0.117
new ( $s, $p, $o )
Returns a new Triple structure.
construct_args
Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.
nodes
Returns the subject, predicate and object of the triple pattern.
node_names
Returns the method names for accessing the nodes of this statement.
subject
Returns the subject node of the triple pattern.
predicate
Returns the predicate node of the triple pattern.
object
Returns the object node of the triple pattern.
as_string
Returns the statement in a string form.
has_blanks
Returns true if any of the nodes in this statement are blank nodes.
sse
Returns the SSE string for this alegbra expression.
from_sse ( $string, $context )
Parses the supplied SSE-encoded string and returns a RDF::Trine::Statement object.
type
Returns the type of this algebra expression.
referenced_variables
Returns a list of the variable names used in this algebra expression.
definite_variables
Returns a list of the variable names that will be bound after evaluating this algebra expression.
clone
bind_variables ( \%bound )
Returns a new algebra pattern with variables named in %bound replaced by their corresponding bound values.
subsumes ( $statement )
Returns true if this statement will subsume the $statement when matched against a triple store.
from_redland ( $statement )
Given a RDF::Redland::Statement object, returns a perl-native RDF::Trine::Statement object.
Gregory Todd Williams <gwilliams@cpan.org>
<gwilliams@cpan.org>
Copyright (c) 2006-2010 Gregory Todd Williams. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install RDF::Trine, copy and paste the appropriate command in to your terminal.
cpanm
cpanm RDF::Trine
CPAN shell
perl -MCPAN -e shell install RDF::Trine
For more information on module installation, please visit the detailed CPAN module installation guide.