/**
* Filter the query by a related SystemEvent object
*
* @param SystemEvent|PropelObjectCollection $systemEvent The related object(s) to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return SystemEventInstanceQuery The current query, for fluid interface
* @throws PropelException - if the provided filter is invalid.
*/
public function filterBySystemEvent($systemEvent, $comparison = null)
{
if ($systemEvent instanceof SystemEvent) {
return $this->addUsingAlias(SystemEventInstancePeer::SYSTEM_EVENT_ID, $systemEvent->getId(), $comparison);
} elseif ($systemEvent instanceof PropelObjectCollection) {
if (null === $comparison) {
$comparison = Criteria::IN;
}
return $this->addUsingAlias(SystemEventInstancePeer::SYSTEM_EVENT_ID, $systemEvent->toKeyValue('PrimaryKey', 'Id'), $comparison);
} else {
throw new PropelException('filterBySystemEvent() only accepts arguments of type SystemEvent or PropelCollection');
}
}