Package org.eclipse.rdf4j.common.iteration

Class DualUnionIteration<E>

java.lang.Object

org.eclipse.rdf4j.common.iteration.DualUnionIteration<E>

All Implemented Interfaces:

AutoCloseable, Iterator<E>, CloseableIteration<E>

public class DualUnionIteration<E>
extends Object
implements CloseableIteration<E>

Provides a bag union of the two provided iterations.

Method Summary

Modifier and Type	Method	Description
final void	close()	Closes this iteration, freeing any resources that it is holding.
static <E, X extends Exception> CloseableIteration<E>	getInstance(CloseableIteration<E> leftIteration, CloseableIteration<E> rightIteration)
E	getNextElement()
static <E, X extends Exception> CloseableIteration<? extends E>	getWildcardInstance(CloseableIteration<? extends E> leftIteration, CloseableIteration<? extends E> rightIteration)
final boolean	hasNext()
final E	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

getWildcardInstance

public static <E,
X extends Exception>
CloseableIteration<? extends E> getWildcardInstance(CloseableIteration<? extends E> leftIteration,
 CloseableIteration<? extends E> rightIteration)

getInstance

public static <E,
X extends Exception>
CloseableIteration<E> getInstance(CloseableIteration<E> leftIteration,
 CloseableIteration<E> rightIteration)

getNextElement

public E getNextElement()

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

next

public final E next()

Specified by:

next in interface Iterator<E>

remove

public void remove()

Throws an UnsupportedOperationException.

Specified by:

remove in interface Iterator<E>

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<E>