/**
* @param bool $collapsing
*/
public function setCollapsing($collapsing = true)
{
if ($collapsing) {
$this->filters['collapsing'] = '{!collapse field=' . $this->variantField . '}';
if ($this->solrConfiguration->getSearchVariantsExpand()) {
$this->queryParameters['expand'] = 'true';
$this->queryParameters['expand.rows'] = $this->solrConfiguration->getSearchVariantsLimit();
}
} else {
unset($this->filters['collapsing']);
unset($this->queryParameters['expand']);
unset($this->queryParameters['expand.rows']);
}
}
