/**
* Filter the query to restrict the result to roots of an object.
* Same as ancestorsOf(), except that it includes the object passed as parameter in the result
*
* @param ChildCategory $category The object to use for roots search
*
* @return $this|ChildCategoryQuery The current query, for fluid interface
*/
public function rootsOf(ChildCategory $category)
{
return $this->addUsingAlias(ChildCategory::LEFT_COL, $category->getLeftValue(), Criteria::LESS_EQUAL)->addUsingAlias(ChildCategory::RIGHT_COL, $category->getRightValue(), Criteria::GREATER_EQUAL);
}
/**
* 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 ChildCategory $sibling Propel object for sibling node
* @param ConnectionInterface $con Connection to use.
*
* @return $this|ChildCategory The current Propel object
*/
public function moveToNextSiblingOf(ChildCategory $sibling, ConnectionInterface $con = null)
{
if (!$this->isInTree()) {
throw new PropelException('A ChildCategory 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->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;
}
