/**
* Enables a filter from the collection.
*
* @param string $name Name of the filter.
*
* @throws \InvalidArgumentException If the filter does not exist.
*
* @return \Doctrine\ODM\MongoDB\Query\Filter\BsonFilter The enabled filter.
*/
public function enable($name)
{
if (!$this->has($name)) {
throw new \InvalidArgumentException("Filter '" . $name . "' does not exist.");
}
if (!$this->isEnabled($name)) {
$filterClass = $this->config->getFilterClassName($name);
$filterParameters = $this->config->getFilterParameters($name);
$filter = new $filterClass($this->dm);
foreach ($filterParameters as $param => $value) {
$filter->setParameter($param, $value);
}
$this->enabledFilters[$name] = $filter;
}
return $this->enabledFilters[$name];
}