Package 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	Description
protected List<BindingSet>	bindings

Constructor Summary

Constructors

Constructor	Description
ServiceJoinConversionIteration(CloseableIteration<BindingSet,QueryEvaluationException> 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.Iteration

stream

Field Details

bindings

protected final List<BindingSet> bindings

Constructor Details

ServiceJoinConversionIteration

public ServiceJoinConversionIteration(CloseableIteration<BindingSet,QueryEvaluationException> 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,QueryEvaluationException>

Throws:

QueryEvaluationException