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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\MessageQueue\Model\ResourceModel;
use DateInterval;
use DateTime;
use Magento\Framework\MessageQueue\Lock\ReaderInterface;
use Magento\Framework\MessageQueue\Lock\WriterInterface;
use Magento\Framework\MessageQueue\LockInterface;
use Magento\Framework\Model\ResourceModel\Db\AbstractDb;
use Magento\Framework\Model\ResourceModel\Db\Context;
use Magento\MessageQueue\Model\LockFactory;
/**
* Class Lock to handle database lock table db transactions.
*/
class Lock extends AbstractDb implements ReaderInterface, WriterInterface
{
/**#@+
* Constants
*/
public const QUEUE_LOCK_TABLE = 'queue_lock';
/**#@-*/
/**#@-*/
private $dateTime;
/**
* @var LockFactory
*/
private $lockFactory;
/**
* @var int
*/
private $interval;
/**
* Initialize dependencies.
*
* @param Context $context
* @param \Magento\Framework\Stdlib\DateTime\DateTime $dateTime
* @param LockFactory $lockFactory
* @param ?string $connectionName
* @param int $interval
*/
public function __construct(
Context $context,
\Magento\Framework\Stdlib\DateTime\DateTime $dateTime,
LockFactory $lockFactory,
$connectionName = null,
$interval = 86400
) {
$this->lockFactory = $lockFactory;
$this->interval = $interval;
$this->dateTime = $dateTime;
parent::__construct($context, $connectionName);
}
/**
* @inheritdoc
*/
protected function _construct()
{
$this->_init(self::QUEUE_LOCK_TABLE, 'id');
}
/**
* @inheritdoc
*/
public function read(LockInterface $lock, $code)
{
$object = $this->lockFactory->create();
$object->load($code, 'message_code');
$lock->setId($object->getId());
$lock->setMessageCode($object->getMessageCode() ?: $code);
$lock->setCreatedAt($object->getCreatedAt());
}
/**
* @inheritdoc
*/
public function saveLock(LockInterface $lock)
{
$object = $this->lockFactory->create();
$object->setMessageCode($lock->getMessageCode());
$object->setCreatedAt($this->dateTime->gmtTimestamp());
$object->save();
$lock->setId($object->getId());
$lock->setCreatedAt($object->getCreatedAt());
}
/**
* @inheritdoc
*/
public function releaseOutdatedLocks()
{
$date = (new DateTime())->setTimestamp($this->dateTime->gmtTimestamp());
$date->add(new DateInterval('PT' . $this->interval . 'S'));
$this->getConnection()->delete($this->getTable(self::QUEUE_LOCK_TABLE), ['created_at <= ?' => $date]);
}
}