src/Lock/DirectoryLock.php
<?php
/**
* This file is part of ninja-mutex.
*
* (C) Kamil Dziedzic <arvenil@klecza.pl>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace NinjaMutex\Lock;
/**
* Lock implementor using mkdir
*
* @author Jan Voracek <jan@voracek.net>
*/
class DirectoryLock extends LockAbstract
{
protected $dirname;
/**
* @param string $dirname
*/
public function __construct($dirname)
{
parent::__construct();
$this->dirname = $dirname;
}
/**
* @param string $name
* @param bool $blocking
* @return bool
*/
protected function getLock($name, $blocking)
{
return @mkdir($this->getDirectoryPath($name));
}
/**
* Release lock
*
* @param string $name name of lock
* @return bool
*/
public function releaseLock($name)
{
if (isset($this->locks[$name])) {
rmdir($this->getDirectoryPath($name));
unset($this->locks[$name]);
return true;
}
return false;
}
/**
* @param string $name
* @return string
*/
protected function getDirectoryPath($name)
{
return $this->dirname . DIRECTORY_SEPARATOR . $name . '.lock';
}
/**
* Check if lock is locked
*
* @param string $name name of lock
* @return bool
*/
public function isLocked($name)
{
if ($this->acquireLock($name, false)) {
return !$this->releaseLock($name);
}
return true;
}
}