info.aduna.collections.iterators
Class UnionIterator<E>

java.lang.Object
  info.aduna.iteration.CloseableIterationBase<E,X>
      info.aduna.iteration.LookAheadIteration<E,X>
          info.aduna.iteration.UnionIteration<E,RuntimeException>
              info.aduna.collections.iterators.UnionIterator<E>

All Implemented Interfaces:

CloseableIterator<E>, CloseableIteration<E,RuntimeException>, Iteration<E,RuntimeException>, Closeable, Iterator<E>

public class UnionIterator<E>
extends UnionIteration<E,RuntimeException>
implements CloseableIterator<E>

An iterator that returns the bag union of the results of a number of iterators. Note that the result of the iterator is a bag, not a set. The UnionIterator does not do any duplicate filtering.

Field Summary

Fields inherited from class info.aduna.iteration.CloseableIterationBase

logger

Constructor Summary

UnionIterator(Iterable<? extends Iterator<? extends E>> args)
Creates a new UnionIterator that returns the bag union of the results of a number of iterators.

UnionIterator(Iterator<? extends E>... args)
Creates a new UnionIterator that returns the bag union of the results of a number of iterators.

Method Summary

Methods inherited from class info.aduna.iteration.UnionIteration

getNextElement, handleClose

Methods inherited from class info.aduna.iteration.LookAheadIteration

hasNext, next, remove

Methods inherited from class info.aduna.iteration.CloseableIterationBase

close, isClosed

Methods inherited from class java.lang.Object

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

Methods inherited from interface info.aduna.collections.iterators.CloseableIterator

close

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Constructor Detail

UnionIterator

public UnionIterator(Iterator<? extends E>... args)

Creates a new UnionIterator that returns the bag union of the results of a number of iterators.

Parameters:

args - The iterators containing the elements to iterate over.

UnionIterator

public UnionIterator(Iterable<? extends Iterator<? extends E>> args)

Creates a new UnionIterator that returns the bag union of the results of a number of iterators.

Parameters:

args - The iterators containing the elements to iterate over.