Singleton::swap() - Code Metrics - lichunqiang/traits - Measure and Improve Code Quality continuously with Scrutinizer

Singleton::swap() A
last analyzed 2016-07-26 06:08 UTC

↳ Parent: Singleton

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	1
crap	1

<?php

/*
 * This file is part of the light/traits.
 *
 * (c) lichunqiang <[email protected]>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Light\Traits\DesignPattern;

/**
 * This implements the singleton design pattern.
 */
trait Singleton
{
    /**
     * @var static
     */
    protected static $_instance;

    /**
     * Get the instance.
     *
     * @return static
     */
    final public static function getInstance()
    {
        if (null === static::$_instance) {
            static::$_instance = new static();
        }

        return static::$_instance;
    }

    /**
     * Swap the instance to another.
     *
     * @param mixed $instance
     */
    final public static function swap($instance)
    {
        static::$_instance = $instance;
    }

    /**
     * Make __construct private to avoid new the object.
     */
    private function __construct()
    {
    }

    /**
     * Disable clone.
     */
    private function __clone()
    {
    }
}


1		<?php
2
3		/*
4		* This file is part of the light/traits.
5		*
6		* (c) lichunqiang <[email protected]>
7		*
8		* This source file is subject to the MIT license that is bundled
9		* with this source code in the file LICENSE.
10		*/
11
12		namespace Light\Traits\DesignPattern;
13
14		/**
15		* This implements the singleton design pattern.
16		*/
17		trait Singleton
18		{
19		/**
20		* @var static
21		*/
22		protected static $_instance;
23
24		/**
25		* Get the instance.
26		*
27		* @return static
28		*/
29	3	final public static function getInstance()
30		{
31	3	if (null === static::$_instance) {
32	1	static::$_instance = new static();
33	1	}
34
35	3	return static::$_instance;
36		}
37
38		/**
39		* Swap the instance to another.
40		*
41		* @param mixed $instance
42		*/
43	1	final public static function swap($instance)
44		{
45	1	static::$_instance = $instance;
46	1	}
47
48		/**
49		* Make __construct private to avoid new the object.
50		*/
51	1	private function __construct()
52		{
53	1	}
54
55		/**
56		* Disable clone.
57		*/
58		private function __clone()
59		{
60		}
61		}
62

lichunqiang / traits

Singleton::swap() A last analyzed 2016-07-26 06:08 UTC

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Singleton::swap() A
last analyzed 2016-07-26 06:08 UTC