SIMPLE SOLUTIONS

RDF::QUERY::ALGEBRA::PATH(3PM) - man page online | library functions

Algebra class for path patterns.

Chapter
2015-10-16
RDF::Query::Algebra::Path(3pm) User Contributed Perl Documentation RDF::Query::Algebra::Path(3pm)

NAME

RDF::Query::Algebra::Path - Algebra class for path patterns

VERSION

This document describes RDF::Query::Algebra::Path version 2.916.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class. "new ( $start, [ $op, @paths ], $end, $graph )" Returns a new Path structure. "construct_args" Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern. "path" Returns the path description for this path expression. "start" Returns the path origin node. "end" Returns the path destination node. "graph" Returns the named graph. "distinguish_bnode_variables" Returns a new Path object with blank nodes replaced by distinguished variables. "bounded_length" Returns true if the path is of bounded length. "sse" Returns the SSE string for this algebra expression. "as_sparql" Returns the SPARQL string for this algebra expression. "type" Returns the type of this algebra expression. "referenced_variables" Returns a list of the variable names used in this algebra expression. "potentially_bound" Returns a list of the variable names used in this algebra expression that will bind values during execution. "definite_variables" Returns a list of the variable names that will be bound after evaluating this algebra expression.

AUTHOR

Gregory Todd Williams <@cpan.org>
perl v5.20.2 2015-10-16 RDF::Query::Algebra::Path(3pm)