/**
* Determines if the node has next sibling
*
* @param PropelPDO $con Connection to use.
* @return bool
*/
public function hasNextSibling(PropelPDO $con = null)
{
if (!EspecialidadPeer::isValid($this)) {
return false;
}
return EspecialidadQuery::create()->filterByTreeLeft($this->getRightValue() + 1)->inTree($this->getScopeValue())->count($con) > 0;
}