private function _getFastFillingPercentage($mode)
{
if ($mode == 'saving') {
// mode saving
if (is_null($this->_fastBackendFillingPercentage)) {
$this->_fastBackendFillingPercentage = $this->_fastBackend->getFillingPercentage();
} else {
$rand = rand(1, $this->_options['stats_update_factor']);
if ($rand == 1) {
// we force a refresh
$this->_fastBackendFillingPercentage = $this->_fastBackend->getFillingPercentage();
}
}
} else {
// mode loading
// we compute the percentage only if it's not available in cache
if (is_null($this->_fastBackendFillingPercentage)) {
$this->_fastBackendFillingPercentage = $this->_fastBackend->getFillingPercentage();
}
}
return $this->_fastBackendFillingPercentage;
}
/**
* Return the filling percentage of the backend storage
*
* @return int integer between 0 and 100
*/
public function getFillingPercentage()
{
return $this->_backend->getFillingPercentage();
}
