Class DistinctIteration<E, X extends Exception>

java.lang.Object

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

org.eclipse.rdf4j.common.iteration.IterationWrapper<E,X>

org.eclipse.rdf4j.common.iteration.FilterIteration<E,X>

org.eclipse.rdf4j.common.iteration.DistinctIteration<E,X>

All Implemented Interfaces:

AutoCloseable, CloseableIteration<E,X>, Iteration<E,X>

Direct Known Subclasses:

LimitedSizeDistinctIteration

@Deprecated(since="4.1.0")
public class DistinctIteration<E, X extends Exception>
extends FilterIteration<E,X>

Deprecated.

An Iteration that filters any duplicate elements from an underlying iterator.

Field Summary

Fields inherited from class IterationWrapper

wrappedIter

Constructor Summary

Constructors

Constructor	Description
DistinctIteration(Iteration<? extends E, ? extends X> iter)	Deprecated. Creates a new DistinctIterator.
DistinctIteration(Iteration<? extends E, ? extends X> iter, Supplier<Set<E>> setMaker)	Deprecated.

Method Summary

Modifier and Type	Method	Description
protected boolean	accept(E object)	Deprecated. Returns true if the specified object hasn't been seen before.
protected boolean	add(E object)	Deprecated.
protected Set<E>	makeSet()	Deprecated.

Methods inherited from class FilterIteration

handleClose, hasNext, next

Methods inherited from class IterationWrapper

remove

Methods inherited from class AbstractCloseableIteration

close, isClosed

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface CloseableIteration

stream

Constructor Details

DistinctIteration

public DistinctIteration(Iteration<? extends E, ? extends X> iter)

Deprecated.

Creates a new DistinctIterator.

Parameters:

iter - The underlying iterator.

DistinctIteration

public DistinctIteration(Iteration<? extends E, ? extends X> iter,
 Supplier<Set<E>> setMaker)

Deprecated.

Method Details

accept

protected boolean accept(E object)
                  throws X

Deprecated.

Returns true if the specified object hasn't been seen before.

Specified by:

accept in class FilterIteration<E, X extends Exception>

Parameters:

object - The object to be tested.

Returns:

true if the object should be returned, false otherwise.

Throws:

X

add

protected boolean add(E object)
               throws X

Deprecated.

Parameters:

object - to put into the set

Throws:

X

makeSet

protected Set<E> makeSet()

Deprecated.