/**
* Filter the query by a related \Customer object
*
* @param \Customer|ObjectCollection $customer The related object(s) to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @throws \Propel\Runtime\Exception\PropelException
*
* @return ChildProjectQuery The current query, for fluid interface
*/
public function filterByCustomer($customer, $comparison = null)
{
if ($customer instanceof \Customer) {
return $this->addUsingAlias(ProjectTableMap::COL_CUSTOMER_ID, $customer->getId(), $comparison);
} elseif ($customer instanceof ObjectCollection) {
if (null === $comparison) {
$comparison = Criteria::IN;
}
return $this->addUsingAlias(ProjectTableMap::COL_CUSTOMER_ID, $customer->toKeyValue('PrimaryKey', 'Id'), $comparison);
} else {
throw new PropelException('filterByCustomer() only accepts arguments of type \\Customer or Collection');
}
}
