friendica/src/Core/Lock/ILock.php

87 lines
2.2 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Core\Lock;
use Friendica\Core\Cache\Enum\Duration;
/**
* Lock Interface
*/
interface ILock
{
/**
* Checks, if a key is currently locked to a or my process
*
* @param string $key The name of the lock
*
* @return bool
*/
public function isLocked($key);
/**
*
* Acquires a lock for a given name
*
* @param string $key The Name of the lock
* @param integer $timeout Seconds until we give up
* @param integer $ttl Seconds The lock lifespan, must be one of the Cache constants
*
* @return boolean Was the lock successful?
*/
public function acquire($key, $timeout = 120, $ttl = Duration::FIVE_MINUTES);
/**
* Releases a lock if it was set by us
*
* @param string $key The Name of the lock
* @param bool $override Overrides the lock to get released
*
* @return boolean Was the unlock successful?
*/
public function release($key, $override = false);
/**
* Releases all lock that were set by us
*
* @param bool $override Override to release all locks
*
* @return boolean Was the unlock of all locks successful?
*/
public function releaseAll($override = false);
/**
* Returns the name of the current lock
*
* @return string
*/
public function getName();
/**
* Lists all locks
*
* @param string prefix optional a prefix to search
*
* @return array Empty if it isn't supported by the cache driver
*/
public function getLocks(string $prefix = '');
}