com.hp.hpl.jena.sparql.path
Class PathEval_ARQ

java.lang.Object
  com.hp.hpl.jena.sparql.path.PathEval_ARQ

public class PathEval_ARQ
extends Object

The original path evaluator from ARQ Differs from SPARQL 1.1 in some cases (cardinality of *,+)

Constructor Summary

PathEval_ARQ()

Method Summary

static Iterator<com.hp.hpl.jena.graph.Node>	eval(com.hp.hpl.jena.graph.Graph graph, com.hp.hpl.jena.graph.Node node, Path path) Evaluate a path in the forward direction
static Iterator<com.hp.hpl.jena.graph.Node>	evalInverse(com.hp.hpl.jena.graph.Graph g, com.hp.hpl.jena.graph.Node node, Path path) Evaluate a path starting at the end of the path
static com.hp.hpl.jena.rdf.model.NodeIterator	walkBackwards(com.hp.hpl.jena.rdf.model.Model model, com.hp.hpl.jena.rdf.model.RDFNode rdfNode, Path path)
static com.hp.hpl.jena.rdf.model.NodeIterator	walkForwards(com.hp.hpl.jena.rdf.model.Model model, com.hp.hpl.jena.rdf.model.RDFNode rdfNode, Path path)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PathEval_ARQ

public PathEval_ARQ()

Method Detail

walkForwards

public static com.hp.hpl.jena.rdf.model.NodeIterator walkForwards(com.hp.hpl.jena.rdf.model.Model model,
                                                                  com.hp.hpl.jena.rdf.model.RDFNode rdfNode,
                                                                  Path path)

walkBackwards

public static com.hp.hpl.jena.rdf.model.NodeIterator walkBackwards(com.hp.hpl.jena.rdf.model.Model model,
                                                                   com.hp.hpl.jena.rdf.model.RDFNode rdfNode,
                                                                   Path path)

eval

public static Iterator<com.hp.hpl.jena.graph.Node> eval(com.hp.hpl.jena.graph.Graph graph,
                                                        com.hp.hpl.jena.graph.Node node,
                                                        Path path)

Evaluate a path in the forward direction

evalInverse

public static Iterator<com.hp.hpl.jena.graph.Node> evalInverse(com.hp.hpl.jena.graph.Graph g,
                                                               com.hp.hpl.jena.graph.Node node,
                                                               Path path)

Evaluate a path starting at the end of the path