de.fuberlin.wiwiss.d2rq.engine

Class GraphPatternTranslator

java.lang.Object

de.fuberlin.wiwiss.d2rq.engine.GraphPatternTranslator

public class GraphPatternTranslator
extends Object

Matches a BGP against a collection of TripleRelations and returns a collection of NodeRelations. The node relations produce the same bindings that one would get from matching the BGP against the materialized triples produced by the triple relations.

Author:

Richard Cyganiak (richard@cyganiak.de)

Constructor Summary

Constructors

Constructor and Description
GraphPatternTranslator(List<Triple> triplePatterns, Collection<TripleRelation> tripleRelations, boolean useAllOptimizations)

Method Summary

Methods

Modifier and Type	Method and Description
List<NodeRelation>	translate()

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphPatternTranslator

public GraphPatternTranslator(List<Triple> triplePatterns,
                      Collection<TripleRelation> tripleRelations,
                      boolean useAllOptimizations)

Method Detail

translate

public List<NodeRelation> translate()

Returns:

A list of NodeRelations