Class UnionIterator<E>
java.lang.Object
org.eclipse.rdf4j.common.iterator.AbstractCloseableIterator<E>
org.eclipse.rdf4j.common.iterator.LookAheadIterator<E>
org.eclipse.rdf4j.common.iterator.UnionIterator<E>
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Constructor Summary
ConstructorDescriptionUnionIterator
(Iterable<? extends E>... args) Creates a new UnionIterator that returns the bag union of the results of a number of Iterators.UnionIterator
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Method Summary
Modifier and TypeMethodDescriptionprotected E
Gets the next element.protected void
Called byAbstractCloseableIterator.close()
when it is called for the first time.Methods inherited from class org.eclipse.rdf4j.common.iterator.LookAheadIterator
handleAlreadyClosed, hasNext, next, remove
Methods inherited from class org.eclipse.rdf4j.common.iterator.AbstractCloseableIterator
close, isClosed
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface java.util.Iterator
forEachRemaining
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Constructor Details
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UnionIterator
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UnionIterator
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Method Details
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getNextElement
Description copied from class:LookAheadIterator
Gets the next element. Subclasses should implement this method so that it returns the next element.- Specified by:
getNextElement
in classLookAheadIterator<E>
- Returns:
- The next element, or null if no more elements are available.
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handleClose
Description copied from class:AbstractCloseableIterator
Called byAbstractCloseableIterator.close()
when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.- Overrides:
handleClose
in classLookAheadIterator<E>
- Throws:
IOException
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