/**
* Sets the {@link #values} and {@link #valueSet} attributes
* at position <i>i</i> to the next value of the
* {@link #iterators iterator} at position <i>i</i>, or
* clear them if the <i>i</i><sup>th</sup> iterator
* has no next value.
*
* @return <tt>false</tt> iff there was no value to set
*/
private bool set(int i)
{
java.util.Iterator <Object> it = (java.util.Iterator <Object>)(iterators.get(i));
if (it.hasNext())
{
values.set(i, it.next());
valueSet.set(i);
return(true);
}
else
{
values.set(i, null);
valueSet.clear(i);
return(false);
}
}
/**
* Sets the iterator at the given index.
*
* @param index index of the Iterator to replace
* @param iterator Iterator to place at the given index
* @throws IndexOutOfBoundsException if index < 0 or index > size()
* @throws IllegalStateException if iteration has started
* @throws NullPointerException if the iterator is null
*/
public virtual void setIterator(int index, java.util.Iterator <Object> iterator)
{
checkNotStarted();
if (iterator == null)
{
throw new java.lang.NullPointerException("Iterator must not be null");
}
iterators.set(index, iterator);
}