/**
* Returns the root node for a given scope
*
* @param int $scope Scope to determine which root node to return
* @param PropelPDO $con Connection to use.
* @return Causadiferido Propel object for root node
*/
public static function retrieveRoot($scope = null, PropelPDO $con = null)
{
$c = new Criteria(CausadiferidoPeer::DATABASE_NAME);
$c->add(CausadiferidoPeer::LEFT_COL, 1, Criteria::EQUAL);
$c->add(CausadiferidoPeer::SCOPE_COL, $scope, Criteria::EQUAL);
return CausadiferidoPeer::doSelectOne($c, $con);
}
