RedisSingleInstanceLock::__construct() - Code Metrics - wudege/sil - Measure and Improve Code Quality continuously with Scrutinizer

RedisSingleInstanceLock::__construct() A
last analyzed 2017-02-05 03:27 UTC

↳ Parent: RedisSingleInstanceLock

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
c	0
b	0
f	0
rs	10
cc	1
eloc	2
nc	1
nop	1

<?php
/**
 * @filename RedisSingleInstanceLock.php
 * @touch    10/01/2017 14:17
 * @author   wudege <[email protected]>
 * @version  1.0.0
 */

namespace Sil;

use Predis\Client;
use Predis\Response\Status;

class RedisSingleInstanceLock implements LockInterface
{

    /**
     * @var Client
     */
    private $client;

    public function __construct(Client $client)
    {
        $this->client = $client;
    }

    /**
     *
     * @author wudege <[email protected]>
     *
     * @param $lockName
     * @param $identifier
     * @param $timeoutMilliseconds
     *
     * @return bool
     */
    public function acquireLock($lockName, $identifier, $timeoutMilliseconds)
    {
        $status = $this->client->set($lockName, $identifier, 'PX', $timeoutMilliseconds, 'NX');
        if ($status instanceof Status) {
            return $status->getPayload() === 'OK';
        }

        return false;
    }

    /**
     *
     * @author wudege <[email protected]>
     *
     * @param $lockName
     * @param $identifier
     *
     * @return bool
     */
    public function releaseLock($lockName, $identifier)
    {
        $luaScript = <<<LUA
if redis.call("get",KEYS[1]) == ARGV[1] then
    return redis.call("del",KEYS[1])
else
    return 0
end
LUA;

        return $this->client->eval($luaScript, 1, $lockName, $identifier) ? true : false;
    }
}

1			<?php
2			/**
3			* @filename RedisSingleInstanceLock.php
4			* @touch 10/01/2017 14:17
5			* @author wudege <[email protected]>
6			* @version 1.0.0
7			*/
8
9			namespace Sil;
10
11			use Predis\Client;
12			use Predis\Response\Status;
13
14			class RedisSingleInstanceLock implements LockInterface
15			{
16
17			/**
18			* @var Client
19			*/
20			private $client;
21
22			public function __construct(Client $client)
23			{
24			$this->client = $client;
25			}
26
27			/**
28			*
29			* @author wudege <[email protected]>
30			*
31			* @param $lockName
32			* @param $identifier
33			* @param $timeoutMilliseconds
34			*
35			* @return bool
36			*/
37			public function acquireLock($lockName, $identifier, $timeoutMilliseconds)
38			{
39			$status = $this->client->set($lockName, $identifier, 'PX', $timeoutMilliseconds, 'NX');
40			if ($status instanceof Status) {
41			return $status->getPayload() === 'OK';
42			}
43
44			return false;
45			}
46
47			/**
48			*
49			* @author wudege <[email protected]>
50			*
51			* @param $lockName
52			* @param $identifier
53			*
54			* @return bool
55			*/
56			public function releaseLock($lockName, $identifier)
57			{
58			$luaScript = <<<LUA
59			if redis.call("get",KEYS[1]) == ARGV[1] then
60			return redis.call("del",KEYS[1])
61			else
62			return 0
63			end
64			LUA;
65
66			return $this->client->eval($luaScript, 1, $lockName, $identifier) ? true : false;
67			}
68			}

wudege / sil

RedisSingleInstanceLock::__construct() A last analyzed 2017-02-05 03:27 UTC

Complexity

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RedisSingleInstanceLock::__construct() A
last analyzed 2017-02-05 03:27 UTC