org.wikidata.query.rdf.blazegraph.ldf

Class BlazegraphBasedTPFRequestProcessor.Worker

java.lang.Object

org.wikidata.query.rdf.blazegraph.ldf.BlazegraphBasedTPFRequestProcessor.Worker

Enclosing class:

BlazegraphBasedTPFRequestProcessor

protected class BlazegraphBasedTPFRequestProcessor.Worker
extends Object

Blazegraph worker class.

Constructor Summary

Constructors

Constructor and Description
Worker(org.linkeddatafragments.fragments.tpf.ITriplePatternFragmentRequest<com.bigdata.rdf.model.BigdataValue,String,String> req)

Method Summary

Modifier and Type	Method and Description
BlazegraphBasedTPFRequestProcessor.VariablesBasedFilter	createFilterIfNeeded(org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> s, org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> p, org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> o) Create filter based on triple request.
protected org.linkeddatafragments.fragments.ILinkedDataFragment	createFragment(org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> s, org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> p, org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> o, long offset, long limit)
protected org.linkeddatafragments.fragments.tpf.ITriplePatternFragment	createTriplePatternFragment(com.bigdata.relation.accesspath.IAccessPath<com.bigdata.rdf.spo.ISPO> ap, long offset, long limit) Create the fragment.

Methods inherited from class java.lang.Object

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

Constructor Detail

Worker

public Worker(org.linkeddatafragments.fragments.tpf.ITriplePatternFragmentRequest<com.bigdata.rdf.model.BigdataValue,String,String> req)

Method Detail

createFragment

protected org.linkeddatafragments.fragments.ILinkedDataFragment createFragment(org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> s,
                                                                               org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> p,
                                                                               org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> o,
                                                                               long offset,
                                                                               long limit)

createFilterIfNeeded

public BlazegraphBasedTPFRequestProcessor.VariablesBasedFilter createFilterIfNeeded(org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> s,
                                                                                    org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> p,
                                                                                    org.linkeddatafragments.fragments.tpf.ITriplePatternElement<com.bigdata.rdf.model.BigdataValue,String,String> o)

Create filter based on triple request.

Parameters:

s -

p -

o -

Returns:

createTriplePatternFragment

protected org.linkeddatafragments.fragments.tpf.ITriplePatternFragment createTriplePatternFragment(com.bigdata.relation.accesspath.IAccessPath<com.bigdata.rdf.spo.ISPO> ap,
                                                                                                   long offset,
                                                                                                   long limit)

Create the fragment.

Parameters:

ap - Access path

offset - Offset

limit - Limit

Returns: