/**
* Filter the query by a related \Thelia\Model\Customer object
*
* @param \Thelia\Model\Customer|ObjectCollection $customer the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ChildLangQuery The current query, for fluid interface
*/
public function filterByCustomer($customer, $comparison = null)
{
if ($customer instanceof \Thelia\Model\Customer) {
return $this->addUsingAlias(LangTableMap::ID, $customer->getLangId(), $comparison);
} elseif ($customer instanceof ObjectCollection) {
return $this->useCustomerQuery()->filterByPrimaryKeys($customer->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByCustomer() only accepts arguments of type \\Thelia\\Model\\Customer or Collection');
}
}