/**
* Filter the query by a related Barang object
*
* @param Barang|PropelObjectCollection $barang the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return KategoriQuery The current query, for fluid interface
* @throws PropelException - if the provided filter is invalid.
*/
public function filterByBarang($barang, $comparison = null)
{
if ($barang instanceof Barang) {
return $this->addUsingAlias(KategoriPeer::ID, $barang->getIdKategori(), $comparison);
} elseif ($barang instanceof PropelObjectCollection) {
return $this->useBarangQuery()->filterByPrimaryKeys($barang->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByBarang() only accepts arguments of type Barang or PropelCollection');
}
}