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

Class InnerMergeJoinIterator

java.lang.Object

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

All Implemented Interfaces:

AutoCloseable, Iterator<BindingSet>, CloseableIteration<BindingSet>

@Experimental
public class InnerMergeJoinIterator
extends Object
implements CloseableIteration<BindingSet>

Author:

Håvard M. Ottestad

Method Summary

Modifier and Type	Method	Description
final void	close()	Closes this iteration, freeing any resources that it is holding.
static CloseableIteration<BindingSet>	getInstance(QueryEvaluationStep leftPrepared, QueryEvaluationStep preparedRight, BindingSet bindings, Comparator<Value> cmp, Function<BindingSet,Value> value, QueryEvaluationContext context)
final boolean	hasNext()
final boolean	isClosed()	Checks whether this CloseableIteration has been closed.
final BindingSet	next()
void	remove()	Throws an UnsupportedOperationException.

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

Method Details

getInstance

public static CloseableIteration<BindingSet> getInstance(QueryEvaluationStep leftPrepared,
 QueryEvaluationStep preparedRight,
 BindingSet bindings,
 Comparator<Value> cmp,
 Function<BindingSet,Value> value,
 QueryEvaluationContext context)

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface Iterator<BindingSet>

next

public final BindingSet next()

Specified by:

next in interface Iterator<BindingSet>

remove

public void remove()

Throws an UnsupportedOperationException.

Specified by:

remove in interface Iterator<BindingSet>

isClosed

public final boolean isClosed()

Checks whether this CloseableIteration has been closed.

Returns:

true if the CloseableIteration has been closed, false otherwise.

close

public final void close()

Description copied from interface: CloseableIteration

Closes this iteration, freeing any resources that it is holding. If the iteration has already been closed then invoking this method has no effect.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CloseableIteration<BindingSet>