/**
* Object destructor
*/
public function __destruct()
{
$this->commit();
// Release "under processing" flag
LockManager::releaseReadLock($this->_directory);
if ($this->_closeDirOnExit) {
$this->_directory->close();
}
$this->_directory = null;
$this->_writer = null;
$this->_segmentInfos = null;
}
