org.openrdf.query.algebra.evaluation.iterator
Class CollectionIteration<E,X extends Exception>

java.lang.Object
  info.aduna.iteration.CloseableIterationBase<E,X>
      org.openrdf.query.algebra.evaluation.iterator.CollectionIteration<E,X>

All Implemented Interfaces:

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

public class CollectionIteration<E,X extends Exception>
extends CloseableIterationBase<E,X>

An iteration to access a materialized Collection of BindingSets.

Author:

Andreas Schwarte

Field Summary

protected Collection<E>	collection
protected Iterator<E>	iterator

Constructor Summary

CollectionIteration(Collection<E> collection)

Method Summary

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 info.aduna.iteration.CloseableIterationBase

close, handleClose, isClosed

Methods inherited from class java.lang.Object

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

Field Detail

collection

protected final Collection<E> collection

iterator

protected Iterator<E> iterator

Constructor Detail

CollectionIteration

public CollectionIteration(Collection<E> collection)

Parameters:

collection -

Method Detail

hasNext

public boolean hasNext()
                throws X extends Exception

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.

Throws:

X

X extends Exception

next

public E next()
       throws X extends Exception

Description copied from interface: Iteration

Returns the next element in the iteration.

Returns:

the next element in the iteration.

Throws:

X extends Exception

remove

public void remove()
            throws X extends Exception

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.

Throws:

X extends Exception