/**
* Filter the query by a related Category object
*
* @param Category $category the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return UserQuery The current query, for fluid interface
*/
public function filterByCategory($category, $comparison = null)
{
if ($category instanceof Category) {
return $this->addUsingAlias(UserPeer::ID, $category->getUserId(), $comparison);
} elseif ($category instanceof PropelCollection) {
return $this->useCategoryQuery()->filterByPrimaryKeys($category->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByCategory() only accepts arguments of type Category or PropelCollection');
}
}
