/**
* Returns a new ClassQuery object.
*
* @param string $modelAlias The alias of a model in the query
* @param Criteria $criteria Optional Criteria to build the query from
*
* @return ClassQuery
*/
public static function create($modelAlias = null, $criteria = null)
{
if ($criteria instanceof ClassQuery) {
return $criteria;
}
$query = new ClassQuery();
if (null !== $modelAlias) {
$query->setModelAlias($modelAlias);
}
if ($criteria instanceof Criteria) {
$query->mergeWith($criteria);
}
return $query;
}