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