friendica/src/Core/Lock/Lock.php

72 lines
1.3 KiB
PHP

<?php
namespace Friendica\Core\Lock;
use Friendica\Core\Cache\Cache;
/**
* Class AbstractLock
*
* @package Friendica\Core\Lock
*
* Basic class for Locking with common functions (local acquired locks, releaseAll, ..)
*/
abstract class Lock implements ILock
{
const TYPE_DATABASE = Cache::TYPE_DATABASE;
const TYPE_SEMAPHORE = 'semaphore';
/**
* @var array The local acquired locks
*/
protected $acquiredLocks = [];
/**
* Check if we've locally acquired a lock
*
* @param string key The Name of the lock
*
* @return bool Returns true if the lock is set
*/
protected function hasAcquiredLock($key)
{
return isset($this->acquireLock[$key]) && $this->acquiredLocks[$key] === true;
}
/**
* Mark a locally acquired lock
*
* @param string $key The Name of the lock
*/
protected function markAcquire($key)
{
$this->acquiredLocks[$key] = true;
}
/**
* Mark a release of a locally acquired lock
*
* @param string $key The Name of the lock
*/
protected function markRelease($key)
{
unset($this->acquiredLocks[$key]);
}
/**
* {@inheritDoc}
*/
public function releaseAll($override = false)
{
$return = true;
foreach ($this->acquiredLocks as $acquiredLock => $hasLock) {
if (!$this->release($acquiredLock, $override)) {
$return = false;
}
}
return $return;
}
}