/**
* Inserts the current node as last child of given $parent node
* The modifications in the current object and the tree
* are not persisted until the current object is saved.
*
* @param Especialidad $parent Propel object for parent node
*
* @return Especialidad The current Propel object
*/
public function insertAsLastChildOf($parent)
{
if ($this->isInTree()) {
throw new PropelException('A Especialidad object must not already be in the tree to be inserted. Use the moveToLastChildOf() instead.');
}
$left = $parent->getRightValue();
// Update node properties
$this->setLeftValue($left);
$this->setRightValue($left + 1);
$this->setLevel($parent->getLevel() + 1);
$scope = $parent->getScopeValue();
$this->setScopeValue($scope);
// update the children collection of the parent
$parent->addNestedSetChild($this);
// Keep the tree modification query for the save() transaction
$this->nestedSetQueries[] = array('callable' => array('EspecialidadPeer', 'makeRoomForLeaf'), 'arguments' => array($left, $scope, $this->isNew() ? null : $this));
return $this;
}