<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);

namespace Magento\Framework\Lock;

use Magento\Framework\Exception\RuntimeException;

/**
* Proxy for LockManagers
*/
class Proxy implements LockManagerInterface
{
/**
* The factory to create LockManagerInterface implementation
*
* @var LockBackendFactory
*/
private $factory;

/**
* A LockManagerInterface implementation
*
* @var LockManagerInterface
*/
private $locker;

/**
* @param LockBackendFactory $factory The factory to create LockManagerInterface implementation
*/
public function __construct(LockBackendFactory $factory)
{
$this->factory = $factory;
}

/**
* @inheritdoc
*
* @throws RuntimeException
*/
public function isLocked(string $name): bool
{
return $this->getLocker()->isLocked($name);
}

/**
* @inheritdoc
*
* @throws RuntimeException
*/
public function lock(string $name, int $timeout = -1): bool
{
return $this->getLocker()->lock($name, $timeout);
}

/**
* @inheritdoc
*
* @throws RuntimeException
*/
public function unlock(string $name): bool
{
return $this->getLocker()->unlock($name);
}

/**
* Gets LockManagerInterface implementation using Factory
*
* @return LockManagerInterface
* @throws RuntimeException
*/
private function getLocker(): LockManagerInterface
{
if (!$this->locker) {
$this->locker = $this->factory->create();
}

return $this->locker;
}
}