/**
* Deletes old events from the container.
*
* <p>This method is called before calling {@link filterEvents}
* or {@link filterMultipleEvents} to delete all expired events
* from the container.</p>
*
* @access public
*
* @return bool true on success, false otherwise.
*
*/
public function cleanEvents()
{
$fileName = $this->getFileName();
$containerData = @file($fileName);
if (empty($containerData)) {
return true;
}
$handle = @fopen($fileName, 'a+');
if (!$handle) {
return false;
}
$time = parent::cleanEvents();
@ignore_user_abort(true);
flock($handle, LOCK_EX);
ftruncate($handle, 0);
foreach ($containerData as $row) {
list($dummy, $dummy, $dummy, $endTime, $dummy) = explode($this->separator, $row, 5);
$endTime = (double) $endTime;
if ($endTime >= $time) {
fwrite($handle, $row);
}
}
flock($handle, LOCK_UN);
fclose($handle);
@ignore_user_abort(false);
return true;
}
/**
* Deletes old events from the database.
*
* <p>This method is called before calling {@link filterEvents}
* or {@link filterMultipleEvents} to delete all expired events
* from the database.</p>
*
* @access public
*
* @return bool true on success, false otherwise.
*
*/
public function cleanEvents()
{
$connection =& $this->getConnection();
$time = parent::cleanEvents();
$sqlQuery = '
DELETE FROM
`' . XOAD_EVENTS_TABLE_NAME . '`
WHERE
`endTime` < ' . $this->escapeString($time, $connection) . '
';
$connection->query($sqlQuery);
$this->closeConnection($connection);
return true;
}
