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