Package org.eclipse.rdf4j.repository.sparql.federation

Class ServiceJoinConversionIteration

java.lang.Object

org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet>

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

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

All Implemented Interfaces:

AutoCloseable, Iterator<BindingSet>, CloseableIteration<BindingSet>

public class ServiceJoinConversionIteration
extends ConvertingIteration<BindingSet,BindingSet>

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	Description
protected final List<BindingSet>	bindings

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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

Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration

stream

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Details

bindings

protected final List<BindingSet> bindings

Constructor Details

ServiceJoinConversionIteration

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

Method Details

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>

Throws:

QueryEvaluationException