MemcachedDriver - Code Metrics - Inspection of "Refactor Cache sub-system" - linpax/microphp-framework - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 074e22...c7a4af )

by Oleg

created 2016-05-13 06:49 UTC

MemcachedDriver A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	163
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
wmc	28
c	1
b	0
f	0
lcom	1
cbo	2
dl	0
loc	163
rs	10

11 Methods

Rating	Name	Size	Complexity
C	__construct()	40	11
A	check()	4	3
A	__destruct()	6	2
A	get()	6	2
A	set()	15	3
A	delete()	4	1
A	clean()	4	1
A	info()	4	1
A	getMeta()	11	2
A	increment()	4	1
A	decrement()	4	1

<?php /** MicroMemcachedDriver */

namespace Micro\Cache\Driver;

use Micro\Base\Exception;
use Micro\Base\IContainer;

/**
 * Class MemcachedDriver
 *
 * @author Oleg Lunegov <[email protected]>
 * @link https://github.com/linpax/microphp-framework
 * @copyright Copyright &copy; 2013 Oleg Lunegov
 * @license /LICENSE
 * @package Micro
 * @subpackage Cache\Driver
 * @version 1.0
 * @since 1.0
 */
class MemcachedDriver extends BaseCacheDriver
{
    /** @var \Memcache|\Memcached $driver driver memcache(d) */
    protected $driver;


    /**
     * Constructor
     *
     * @access public
     *
     * @param IContainer $container
     * @param array $config config array
     *
     * @result void
     * @throws Exception
     */
    public function __construct(IContainer $container, array $config = [])
    {
        parent::__construct($container, $config);

        if (empty($config['type']) || !$this->check()) {
            throw new Exception('Memcache(d) not installed or not select type');
        }

        switch (strtolower($config['type'])) {
            case 'memcached':
                $this->driver = new \Memcached;
                break;

            case 'memcache':
                $this->driver = new \Memcache;
                break;

            default:
                throw new Exception('Selected type not valid in the driver');
        }

        if (!empty($config['servers'])) {
            $this->driver->addServers($config['servers']);
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
        } elseif ($config['server']) {
            $conf = $config['server'];
            $server = [
                'hostname' => !empty($conf['hostname']) ? $conf['hostname'] : '127.0.0.1',
                'port' => !empty($conf['port']) ? $conf['port'] : 11211,
                'weight' => !empty($conf['weight']) ? $conf['weight'] : 1
            ];

            if (get_class($this->driver) === 'Memcached') {
                $this->driver->addServer($server['hostname'], $server['port'], $server['weight']);
            } else {
                $this->driver->addServer($server['hostname'], $server['port'], true, $server['weight']);
            }
        } else {
            throw new Exception('Server(s) not configured');
        }
    }

    /**
     * @inheritdoc
     */
    public function check()
    {
        return (!extension_loaded('memcached') && !extension_loaded('memcache')) ?: true;
    }

    /**
     * Destructor
     *
     * @access public
     * @result void
     */
    public function __destruct()
    {
        if ($this->driver) {
            $this->driver->close();
class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}
        }
    }

    /**
     * @inheritdoc
     */
    public function get($name)
    {
        $data = $this->driver->get($name);

        return is_array($data) ? $data[0] : $data;
    }

    /**
     * @inheritdoc
     */
    public function set($name, $value, $duration = 0)
    {
        switch (get_class($this->driver)) {
            case 'Memcached':
                return $this->driver->set($name, $value, $duration);
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}

            case 'Memcache':
                return $this->driver->set($name, $value, 0, $duration);
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}

            default:
                return false;
        }
    }

    /**
     * @inheritdoc
     */
    public function delete($name)
    {
        return $this->driver->delete($name);
    }

    /**
     * @inheritdoc
     */
    public function clean()
    {
        return $this->driver->flush();
    }

    /**
     * @inheritdoc
     */
    public function info()
    {
        return $this->driver->getStats();
    }

    /**
     * @inheritdoc
     */
    public function getMeta($id)
    {
        $stored = $this->driver->get($id);
        if (count($stored) !== 3) {
            return false;
        }

        list($data, $time, $ttl) = $stored;

        return ['expire' => $time + $ttl, 'mtime' => $time, 'data' => $data];
    }

    /**
     * @inheritdoc
     */
    public function increment($name, $offset = 1)
    {
        return $this->driver->increment($name, $offset);
    }

    /**
     * @inheritdoc
     */
    public function decrement($name, $offset = 1)
    {
        return $this->driver->decrement($name, $offset);
    }
}


1			<?php /** MicroMemcachedDriver */
2
3			namespace Micro\Cache\Driver;
4
5			use Micro\Base\Exception;
6			use Micro\Base\IContainer;
7
8			/**
9			* Class MemcachedDriver
10			*
11			* @author Oleg Lunegov <[email protected]>
12			* @link https://github.com/linpax/microphp-framework
13			* @copyright Copyright © 2013 Oleg Lunegov
14			* @license /LICENSE
15			* @package Micro
16			* @subpackage Cache\Driver
17			* @version 1.0
18			* @since 1.0
19			*/
20			class MemcachedDriver extends BaseCacheDriver
21			{
22			/** @var \Memcache\|\Memcached $driver driver memcache(d) */
23			protected $driver;
24
25
26			/**
27			* Constructor
28			*
29			* @access public
30			*
31			* @param IContainer $container
32			* @param array $config config array
33			*
34			* @result void
35			* @throws Exception
36			*/
37			public function __construct(IContainer $container, array $config = [])
38			{
39			parent::__construct($container, $config);
40
41			if (empty($config['type']) \|\| !$this->check()) {
42			throw new Exception('Memcache(d) not installed or not select type');
43			}
44
45			switch (strtolower($config['type'])) {
46			case 'memcached':
47			$this->driver = new \Memcached;
48			break;
49
50			case 'memcache':
51			$this->driver = new \Memcache;
52			break;
53
54			default:
55			throw new Exception('Selected type not valid in the driver');
56			}
57
58			if (!empty($config['servers'])) {
59			$this->driver->addServers($config['servers']);
			0 ignored issues – show Bug introduced 2016-03-10 20:06 UTC by Report Bug Copy Issue Report The method `addServers` does only exist in `Memcached`, but not in `Memcache`. It seems like the method you are trying to call exists only in some of the possible types. Let’s take a look at an example: class A { public function foo() { } } class B extends A { public function bar() { } } /** * @param A\|B $x / function someFunction($x) { $x->foo(); // This call is fine as the method exists in A and B. $x->bar(); // This method only exists in B and might cause an error. } Available Fixes Add an additional type-check: /* * @param A\|B $x / function someFunction($x) { $x->foo(); if ($x instanceof B) { $x->bar(); } } Only allow a single type to be passed if the variable comes from a parameter: function someFunction(B $x) { /* ... */ } Loading history...
60			} elseif ($config['server']) {
61			$conf = $config['server'];
62			$server = [
63			'hostname' => !empty($conf['hostname']) ? $conf['hostname'] : '127.0.0.1',
64			'port' => !empty($conf['port']) ? $conf['port'] : 11211,
65			'weight' => !empty($conf['weight']) ? $conf['weight'] : 1
66			];
67
68			if (get_class($this->driver) === 'Memcached') {
69			$this->driver->addServer($server['hostname'], $server['port'], $server['weight']);
70			} else {
71			$this->driver->addServer($server['hostname'], $server['port'], true, $server['weight']);
72			}
73			} else {
74			throw new Exception('Server(s) not configured');
75			}
76			}
77
78			/**
79			* @inheritdoc
80			*/
81			public function check()
82			{
83			return (!extension_loaded('memcached') && !extension_loaded('memcache')) ?: true;
84			}
85
86			/**
87			* Destructor
88			*
89			* @access public
90			* @result void
91			*/
92			public function __destruct()
93			{
94			if ($this->driver) {
95			$this->driver->close();
			0 ignored issues – show Bug introduced 2016-03-10 20:06 UTC by Report Bug Copy Issue Report The method `close` does only exist in `Memcache`, but not in `Memcached`. It seems like the method you are trying to call exists only in some of the possible types. Let’s take a look at an example: class A { public function foo() { } } class B extends A { public function bar() { } } /** * @param A\|B $x / function someFunction($x) { $x->foo(); // This call is fine as the method exists in A and B. $x->bar(); // This method only exists in B and might cause an error. } Available Fixes Add an additional type-check: /* * @param A\|B $x / function someFunction($x) { $x->foo(); if ($x instanceof B) { $x->bar(); } } Only allow a single type to be passed if the variable comes from a parameter: function someFunction(B $x) { /* ... */ } Loading history...
96			}
97			}
98
99			/**
100			* @inheritdoc
101			*/
102			public function get($name)
103			{
104			$data = $this->driver->get($name);
105
106			return is_array($data) ? $data[0] : $data;
107			}
108
109			/**
110			* @inheritdoc
111			*/
112			public function set($name, $value, $duration = 0)
113			{
114			switch (get_class($this->driver)) {
115			case 'Memcached':
116			return $this->driver->set($name, $value, $duration);
117			break;
			0 ignored issues – show Unused Code introduced 2016-03-10 20:06 UTC by Report Bug Copy Issue Report `break` is not strictly necessary here and could be removed. The `break` statement is not necessary if it is preceded for example by a `return` statement: switch ($x) { case 1: return 'foo'; break; // This break is not necessary and can be left off. } If you would like to keep this construct to be consistent with other `case` statements, you can safely mark this issue as a false-positive. Loading history...
118
119			case 'Memcache':
120			return $this->driver->set($name, $value, 0, $duration);
121			break;
			0 ignored issues – show Unused Code introduced 2016-03-10 20:06 UTC by Report Bug Copy Issue Report `break` is not strictly necessary here and could be removed. The `break` statement is not necessary if it is preceded for example by a `return` statement: switch ($x) { case 1: return 'foo'; break; // This break is not necessary and can be left off. } If you would like to keep this construct to be consistent with other `case` statements, you can safely mark this issue as a false-positive. Loading history...
122
123			default:
124			return false;
125			}
126			}
127
128			/**
129			* @inheritdoc
130			*/
131			public function delete($name)
132			{
133			return $this->driver->delete($name);
134			}
135
136			/**
137			* @inheritdoc
138			*/
139			public function clean()
140			{
141			return $this->driver->flush();
142			}
143
144			/**
145			* @inheritdoc
146			*/
147			public function info()
148			{
149			return $this->driver->getStats();
150			}
151
152			/**
153			* @inheritdoc
154			*/
155			public function getMeta($id)
156			{
157			$stored = $this->driver->get($id);
158			if (count($stored) !== 3) {
159			return false;
160			}
161
162			list($data, $time, $ttl) = $stored;
163
164			return ['expire' => $time + $ttl, 'mtime' => $time, 'data' => $data];
165			}
166
167			/**
168			* @inheritdoc
169			*/
170			public function increment($name, $offset = 1)
171			{
172			return $this->driver->increment($name, $offset);
173			}
174
175			/**
176			* @inheritdoc
177			*/
178			public function decrement($name, $offset = 1)
179			{
180			return $this->driver->decrement($name, $offset);
181			}
182			}
183

linpax / microphp-framework

Push — master ( 074e22...c7a4af )

MemcachedDriver A

Complexity

Size/Duplication

Coupling/Cohesion

Importance

11 Methods

Available Fixes

Available Fixes

Duplication Side-by-Side

Filter issues like