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

Class ExtensionIterator

java.lang.Object

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

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

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

All Implemented Interfaces:

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

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

Constructor Summary

Constructors

Constructor	Description
ExtensionIterator(CloseableIteration<BindingSet,QueryEvaluationException> iter, Consumer<MutableBindingSet> setter, QueryEvaluationContext context)
ExtensionIterator(Extension extension, CloseableIteration<BindingSet,QueryEvaluationException> 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.Iteration

stream

Constructor Details

ExtensionIterator

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

Throws:

QueryEvaluationException

ExtensionIterator

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

Throws:

QueryEvaluationException