/**
* {@inheritdoc}
* @throws \Elodex\Exceptions\InvalidArgumentException
*/
public function scroll(Search $search, callable $callback)
{
$duration = $search->getScroll();
if (is_null($duration)) {
throw new InvalidArgumentException('Scroll duration missing on search query.');
}
// Get the first result for the scrolling request.
$result = $this->search($search);
$scrollId = $result->getScrollId();
try {
// Callback for the first set of results.
call_user_func($callback, $result);
// Check if we do have more documents than we got from the first call.
if (count($result) < $result->totalHits()) {
// Scroll through the results until we don't get any more hits.
while (true) {
$result = $this->scrollRequest($scrollId, $duration);
$scrollId = $result->getScrollId();
// Check if we didn't get any more results.
if (count($result) === 0) {
break;
}
call_user_func($callback, $result);
}
}
} finally {
$this->clearScroll($scrollId);
}
}
/**
* Create a new index search query.
*
* @return \Elodex\Search
*/
public function newIndexSearch()
{
$search = new Search();
$search->setModel($this);
return $search;
}
