org.eclipse.rdf4j.repository.sparql.federation

Class ServiceJoinConversionIteration

java.lang.Object

org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<T,X>

org.eclipse.rdf4j.common.iteration.ConvertingIteration<BindingSet,BindingSet,QueryEvaluationException>

org.eclipse.rdf4j.repository.sparql.federation.ServiceJoinConversionIteration

All Implemented Interfaces:

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

Direct Known Subclasses:

ServiceJoinConversionIteration

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) Converts a source type object to a target type object.

Methods inherited from class org.eclipse.rdf4j.common.iteration.ConvertingIteration

handleClose, hasNext, next, remove

Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration

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

Description copied from class: ConvertingIteration

Converts a source type object to a target type object.

Specified by:

convert in class ConvertingIteration<BindingSet,BindingSet,QueryEvaluationException>

Throws:

QueryEvaluationException