/**
* Filter the query by a related \App\Models\Engagement object
*
* @param \App\Models\Engagement|ObjectCollection $engagement the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ChildProfessorQuery The current query, for fluid interface
*/
public function filterByEngagement($engagement, $comparison = null)
{
if ($engagement instanceof \App\Models\Engagement) {
return $this->addUsingAlias(ProfessorTableMap::COL_ID, $engagement->getProfessorId(), $comparison);
} elseif ($engagement instanceof ObjectCollection) {
return $this->useEngagementQuery()->filterByPrimaryKeys($engagement->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByEngagement() only accepts arguments of type \\App\\Models\\Engagement or Collection');
}
}
