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90 lines
2.3 KiB
PHP
90 lines
2.3 KiB
PHP
<?php
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/**
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* @package Freemius
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* @copyright Copyright (c) 2015, Freemius, Inc.
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* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
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* @since 2.1.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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require_once WP_FS__DIR_INCLUDES . '/class-fs-lock.php';
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/**
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* Class FS_User_Lock
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*/
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class FS_User_Lock {
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/**
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* @var FS_Lock
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*/
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private $_lock;
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#--------------------------------------------------------------------------------
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#region Singleton
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#--------------------------------------------------------------------------------
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/**
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* @var FS_User_Lock
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*/
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private static $_instance;
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/**
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* @author Vova Feldman (@svovaf)
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* @since 2.1.0
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*
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* @return FS_User_Lock
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*/
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static function instance() {
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if ( ! isset( self::$_instance ) ) {
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self::$_instance = new self();
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}
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return self::$_instance;
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}
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#endregion
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private function __construct() {
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$current_user_id = Freemius::get_current_wp_user_id();
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$this->_lock = new FS_Lock( "locked_{$current_user_id}" );
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}
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/**
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* Try to acquire lock. If the lock is already set or is being acquired by another locker, don't do anything.
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*
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* @author Vova Feldman (@svovaf)
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* @since 2.1.0
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*
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* @param int $expiration
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*
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* @return bool TRUE if successfully acquired lock.
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*/
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function try_lock( $expiration = 0 ) {
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return $this->_lock->try_lock( $expiration );
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}
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/**
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* Acquire lock regardless if it's already acquired by another locker or not.
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*
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* @author Vova Feldman (@svovaf)
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* @since 2.1.0
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*
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* @param int $expiration
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*/
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function lock( $expiration = 0 ) {
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$this->_lock->lock( $expiration );
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}
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/**
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* Unlock the lock.
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*
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* @author Vova Feldman (@svovaf)
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* @since 2.1.0
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*/
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function unlock() {
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$this->_lock->unlock();
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}
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} |