/**
* Returns a new CausadiferidoQuery object.
*
* @param string $modelAlias The alias of a model in the query
* @param CausadiferidoQuery|Criteria $criteria Optional Criteria to build the query from
*
* @return CausadiferidoQuery
*/
public static function create($modelAlias = null, $criteria = null)
{
if ($criteria instanceof CausadiferidoQuery) {
return $criteria;
}
$query = new CausadiferidoQuery();
if (null !== $modelAlias) {
$query->setModelAlias($modelAlias);
}
if ($criteria instanceof Criteria) {
$query->mergeWith($criteria);
}
return $query;
}
/**
* Get the associated Causadiferido object
*
* @param PropelPDO $con Optional Connection object.
* @return Causadiferido The associated Causadiferido object.
* @throws PropelException
*/
public function getCausadiferido(PropelPDO $con = null)
{
if ($this->aCausadiferido === null && $this->causa_diferido_id !== null) {
$this->aCausadiferido = CausadiferidoQuery::create()->findPk($this->causa_diferido_id, $con);
/* The following can be used additionally to
guarantee the related object contains a reference
to this object. This level of coupling may, however, be
undesirable since it could result in an only partially populated collection
in the referenced object.
$this->aCausadiferido->addAgendas($this);
*/
}
return $this->aCausadiferido;
}
/**
* Deletes all descendants for the given node
* Instance pooling is wiped out by this command,
* so existing Causadiferido instances are probably invalid (except for the current one)
*
* @param PropelPDO $con Connection to use.
*
* @return int number of deleted nodes
*/
public function deleteDescendants(PropelPDO $con = null)
{
if ($this->isLeaf()) {
// save one query
return;
}
if ($con === null) {
$con = Propel::getConnection(CausadiferidoPeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$left = $this->getLeftValue();
$right = $this->getRightValue();
$scope = $this->getScopeValue();
$con->beginTransaction();
try {
// delete descendant nodes (will empty the instance pool)
$ret = CausadiferidoQuery::create()->descendantsOf($this)->delete($con);
// fill up the room that was used by descendants
CausadiferidoPeer::shiftRLValues($left - $right + 1, $right, null, $scope, $con);
// fix the right value for the current node, which is now a leaf
$this->setRightValue($left + 1);
$con->commit();
} catch (Exception $e) {
$con->rollback();
throw $e;
}
return $ret;
}
