/**
* Filter the query to restrict the result to siblings of an object.
* The result does not include the object passed as parameter.
*
* @param Especialidad $especialidad The object to use for sibling search
* @param PropelPDO $con Connection to use.
*
* @return EspecialidadQuery The current query, for fluid interface
*/
public function siblingsOf($especialidad, PropelPDO $con = null)
{
if ($especialidad->isRoot()) {
return $this->add(EspecialidadPeer::LEVEL_COL, '1<>1', Criteria::CUSTOM);
} else {
return $this->childrenOf($especialidad->getParent($con))->prune($especialidad);
}
}
/**
* Moves current node and its subtree to be the next sibling of $sibling
* The modifications in the current object and the tree are immediate
*
* @param Especialidad $sibling Propel object for sibling node
* @param PropelPDO $con Connection to use.
*
* @return Especialidad The current Propel object
*/
public function moveToNextSiblingOf($sibling, PropelPDO $con = null)
{
if (!$this->isInTree()) {
throw new PropelException('A Especialidad object must be already in the tree to be moved. Use the insertAsNextSiblingOf() instead.');
}
if ($sibling->isRoot()) {
throw new PropelException('Cannot move to next sibling of a root node.');
}
if ($sibling->getScopeValue() != $this->getScopeValue()) {
throw new PropelException('Moving nodes across trees is not supported');
}
if ($sibling->isDescendantOf($this)) {
throw new PropelException('Cannot move a node as sibling of one of its subtree nodes.');
}
$this->moveSubtreeTo($sibling->getRightValue() + 1, $sibling->getLevel() - $this->getLevel(), $con);
return $this;
}