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File Name : LockableTrait.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Command;

use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Lock\LockFactory;
use Symfony\Component\Lock\LockInterface;
use Symfony\Component\Lock\Store\FlockStore;
use Symfony\Component\Lock\Store\SemaphoreStore;

/**
 * Basic lock feature for commands.
 *
 * @author Geoffrey Brier <geoffrey.brier@gmail.com>
 */
trait LockableTrait
{
    /** @var LockInterface|null */
    private $lock;

/**
     * Locks a command.
     */
    private function lock(string $name = null, bool $blocking = false): bool
    {
        if (!class_exists(SemaphoreStore::class)) {
            throw new LogicException('To enable the locking feature you must install the symfony/lock component.');
        }

if (null !== $this->lock) {
            throw new LogicException('A lock is already in place.');
        }

if (SemaphoreStore::isSupported()) {
            $store = new SemaphoreStore();
        } else {
            $store = new FlockStore();
        }

$this->lock = (new LockFactory($store))->createLock($name ?: $this->getName());
        if (!$this->lock->acquire($blocking)) {
            $this->lock = null;

return false;
        }

return true;
    }

/**
     * Releases the command lock if there is one.
     */
    private function release()
    {
        if ($this->lock) {
            $this->lock->release();
            $this->lock = null;
        }
    }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	dataewom/dataewom	0755	2023-01-27 06:18:16
..	dir	-	dataewom/dataewom	0755	2023-01-27 06:18:16
Command.php	text/x-php	20.02 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
CompleteCommand.php	text/x-php	8.33 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
DumpCompletionCommand.php	text/x-php	4.81 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
HelpCommand.php	text/x-php	3.04 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
LazyCommand.php	text/x-php	5.26 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
ListCommand.php	text/x-php	3.06 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
LockableTrait.php	text/x-php	1.68 KB	dataewom/dataewom	0644	2023-08-07 03:42:30
SignalableCommandInterface.php	text/x-php	682 B	dataewom/dataewom	0644	2023-08-07 03:42:30

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