2018-06-26 22:31:04 +02:00
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<?php
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2020-02-09 15:45:36 +01:00
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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2018-06-26 22:31:04 +02:00
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2018-06-28 22:57:17 +02:00
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namespace Friendica\Core\Lock;
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2019-08-03 20:48:56 +02:00
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2020-01-18 20:15:46 +01:00
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use Friendica\Core\Cache\Duration;
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2018-06-26 22:31:04 +02:00
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/**
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2019-08-04 10:26:53 +02:00
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* Lock Interface
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2018-06-26 22:31:04 +02:00
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*/
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2019-08-04 10:26:53 +02:00
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interface ILock
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2018-06-26 22:31:04 +02:00
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{
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2018-07-04 23:37:22 +02:00
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/**
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2018-07-05 07:59:56 +02:00
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* Checks, if a key is currently locked to a or my process
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2018-07-04 23:37:22 +02:00
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*
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2019-08-03 20:48:56 +02:00
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* @param string $key The name of the lock
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*
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2018-07-04 23:37:22 +02:00
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* @return bool
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*/
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public function isLocked($key);
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2018-06-26 22:31:04 +02:00
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/**
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*
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2018-07-05 07:59:56 +02:00
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* Acquires a lock for a given name
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2018-06-26 22:31:04 +02:00
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*
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2019-08-03 20:48:56 +02:00
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* @param string $key The Name of the lock
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* @param integer $timeout Seconds until we give up
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* @param integer $ttl Seconds The lock lifespan, must be one of the Cache constants
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2018-06-26 22:31:04 +02:00
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*
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* @return boolean Was the lock successful?
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*/
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2020-01-18 20:15:46 +01:00
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public function acquire($key, $timeout = 120, $ttl = Duration::FIVE_MINUTES);
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2018-06-26 22:31:04 +02:00
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/**
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2018-07-05 07:59:56 +02:00
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* Releases a lock if it was set by us
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2018-06-26 22:31:04 +02:00
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*
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2019-02-24 12:24:09 +01:00
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* @param string $key The Name of the lock
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* @param bool $override Overrides the lock to get released
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2018-06-26 22:31:04 +02:00
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*
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2019-03-04 21:28:36 +01:00
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* @return boolean Was the unlock successful?
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2018-06-26 22:31:04 +02:00
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*/
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2020-01-07 00:24:10 +01:00
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public function release($key, $override = false);
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2018-06-26 22:31:04 +02:00
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/**
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2018-07-05 07:59:56 +02:00
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* Releases all lock that were set by us
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2018-06-26 22:31:04 +02:00
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*
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2019-08-13 21:20:41 +02:00
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* @param bool $override Override to release all locks
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*
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2019-03-04 21:28:36 +01:00
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* @return boolean Was the unlock of all locks successful?
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2018-06-26 22:31:04 +02:00
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*/
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2019-08-13 21:20:41 +02:00
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public function releaseAll($override = false);
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/**
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* Returns the name of the current lock
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*
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* @return string
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*/
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public function getName();
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/**
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* Lists all locks
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*
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* @param string prefix optional a prefix to search
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*
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* @return array Empty if it isn't supported by the cache driver
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*/
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public function getLocks(string $prefix = '');
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2018-06-26 23:44:30 +02:00
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}
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