Package org.eclipse.rdf4j.query.algebra.evaluation.iterator

Class ExtensionIterator

java.lang.Object

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

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

org.eclipse.rdf4j.query.algebra.evaluation.iterator.ExtensionIterator

All Implemented Interfaces:

AutoCloseable, Iterator<BindingSet>, CloseableIteration<BindingSet>

public class ExtensionIterator
extends ConvertingIteration<BindingSet,BindingSet>

Constructor Summary

Constructors

Constructor	Description
ExtensionIterator(CloseableIteration<BindingSet> iter, Consumer<MutableBindingSet> setter, QueryEvaluationContext context)
ExtensionIterator(Extension extension, CloseableIteration<BindingSet> iter, EvaluationStrategy strategy, QueryEvaluationContext context)

Method Summary

Modifier and Type	Method	Description
static Consumer<MutableBindingSet>	buildLambdaToEvaluateTheExpressions(Extension extension, EvaluationStrategy strategy, QueryEvaluationContext context)
BindingSet	convert(BindingSet sourceBindings)	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

Constructor Details

ExtensionIterator

public ExtensionIterator(Extension extension,
 CloseableIteration<BindingSet> iter,
 EvaluationStrategy strategy,
 QueryEvaluationContext context)
                  throws QueryEvaluationException

Throws:

QueryEvaluationException

ExtensionIterator

public ExtensionIterator(CloseableIteration<BindingSet> iter,
 Consumer<MutableBindingSet> setter,
 QueryEvaluationContext context)
                  throws QueryEvaluationException

Throws:

QueryEvaluationException

Method Details

buildLambdaToEvaluateTheExpressions

public static Consumer<MutableBindingSet> buildLambdaToEvaluateTheExpressions(Extension extension,
 EvaluationStrategy strategy,
 QueryEvaluationContext context)

convert

public BindingSet convert(BindingSet sourceBindings)
                   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