org.eclipse.rdf4j.common.iteration

Class EmptyIteration<E,X extends Exception>

java.lang.Object

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

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

All Implemented Interfaces:

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

public final class EmptyIteration<E,X extends Exception>
extends AbstractCloseableIteration<E,X>

An iterator that does not contain any elements.

Constructor Summary

Constructors

Constructor and Description
EmptyIteration() Creates a new EmptyIteration.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Returns true if the iteration has more elements.
E	next() Returns the next element in the iteration.
void	remove() Removes from the underlying collection the last element returned by the iteration (optional operation).

Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration

close, handleClose, 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 Detail

EmptyIteration

public EmptyIteration()

Creates a new EmptyIteration.

Method Detail

hasNext

public final boolean hasNext()

Description copied from interface: Iteration

Returns true if the iteration has more elements. (In other words, returns true if Iteration.next() would return an element rather than throwing a NoSuchElementException.)

Returns:

true if the iteration has more elements.

next

public final E next()

Description copied from interface: Iteration

Returns the next element in the iteration.

Returns:

the next element in the iteration.

remove

public final void remove()

Description copied from interface: Iteration

Removes from the underlying collection the last element returned by the iteration (optional operation). This method can be called only once per call to next.