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