org.openrdf.query.algebra.evaluation.federation

Class ServiceJoinConversionIteration

java.lang.Object

info.aduna.iteration.CloseableIterationBase<T,X>

info.aduna.iteration.ConvertingIteration<BindingSet,BindingSet,QueryEvaluationException>

org.openrdf.query.algebra.evaluation.federation.ServiceJoinConversionIteration

All Implemented Interfaces:

CloseableIteration<BindingSet,QueryEvaluationException>, Iteration<BindingSet,QueryEvaluationException>

public class ServiceJoinConversionIteration
extends ConvertingIteration<BindingSet,BindingSet,QueryEvaluationException>

Inserts original bindings into the result, uses ?__rowIdx to resolve original bindings. See ServiceJoinIterator and SPARQLFederatedService.

Author:

Andreas Schwarte

Field Summary

Fields

Modifier and Type	Field and Description
protected List<BindingSet>	bindings

Constructor Summary

Constructors

Constructor and Description
ServiceJoinConversionIteration(CloseableIteration<BindingSet,QueryEvaluationException> iter, List<BindingSet> bindings)

Method Summary

Modifier and Type	Method and Description
protected BindingSet	convert(BindingSet bIn)

Methods inherited from class info.aduna.iteration.ConvertingIteration

handleClose, hasNext, next, remove

Methods inherited from class info.aduna.iteration.CloseableIterationBase

close, isClosed

Methods inherited from class java.lang.Object

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

Field Detail

bindings

protected final List<BindingSet> bindings

Constructor Detail

ServiceJoinConversionIteration

public ServiceJoinConversionIteration(CloseableIteration<BindingSet,QueryEvaluationException> iter,
                                      List<BindingSet> bindings)

Method Detail

convert

protected BindingSet convert(BindingSet bIn)
                      throws QueryEvaluationException

Specified by:

convert in class ConvertingIteration<BindingSet,BindingSet,QueryEvaluationException>

Throws:

QueryEvaluationException