/**
* Implementation of IteratorAggregate::getIterator()
*/
public function getIterator()
{
if (!$this->getPageSize() || !$this->getCurPage()) {
return parent::getIterator();
}
$this->load();
$start = $this->getPageSize() * ($this->getCurPage() - 1);
return new ArrayIterator(array_slice($this->_items, $start, $this->getPageSize()));
}