/**
* Creates a version of the current object and saves it.
*
* @param ConnectionInterface $con the connection to use
*
* @return ChildFolderVersion A version object
*/
public function addVersion($con = null)
{
$this->enforceVersion = false;
$version = new ChildFolderVersion();
$version->setId($this->getId());
$version->setParent($this->getParent());
$version->setVisible($this->getVisible());
$version->setPosition($this->getPosition());
$version->setCreatedAt($this->getCreatedAt());
$version->setUpdatedAt($this->getUpdatedAt());
$version->setVersion($this->getVersion());
$version->setVersionCreatedAt($this->getVersionCreatedAt());
$version->setVersionCreatedBy($this->getVersionCreatedBy());
$version->setFolder($this);
$version->save($con);
return $version;
}