NAME

RDF::Trine::Statement - Algebra class for Triple patterns

VERSION

This document describes RDF::Trine::Statement version 0.118_01

METHODS

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.

AUTHOR

Gregory Todd Williams <gwilliams@cpan.org>

COPYRIGHT

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.