Singleton::getInstance() - Code Metrics - Falseclock/dbd-php-entity - Measure and Improve Code Quality continuously with Scrutinizer

Singleton::getInstance() A
last analyzed 2023-04-06 07:41 UTC

↳ Parent: Singleton

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	5
dl	0
loc	8
rs	10
c	1
b	0
f	0
cc	2
nc	2
nop	1

<?php
/***************************************************************************
 *   Copyright (C) 2004-2007 by Sveta A. Smirnova                          *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License as        *
 *   published by the Free Software Foundation; either version 3 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 **************************************************************************/

declare(strict_types=1);

namespace DBD\Common;

use DBD\Entity\Common\EntityException;

abstract class Singleton implements Instantiatable
{
    /**
     * Все вызванные ранее инстансы классов
     *
     * @var array $instances
     */
    private static $instances = [];

    /**
     * Singleton constructor. You can't create me
     */
    private function __construct()
    {
    }

    /**
     * @return Instantiatable|Singleton|static
     */
    public static function me(): Instantiatable
    {
        return self::getInstance(get_called_class());
    }

    /**
     * Функция получения инстанса класса
     *
     * @param string $class
     *
     * @return Singleton
     */
    final public static function getInstance(string $class): Singleton
    {
        if (!isset(self::$instances[$class])) {
            $object = new $class;

            return self::$instances[$class] = $object;
        } else {
            return self::$instances[$class];
        }
    }

    /**
     * do not clone me
     * @throws EntityException
     */
    protected function __clone()
    {
        throw new EntityException("Singleton classes should not be cloned");
    }
}


1			<?php
2			/***************************************************************************
3			* Copyright (C) 2004-2007 by Sveta A. Smirnova *
4			* *
5			* This program is free software; you can redistribute it and/or modify *
6			* it under the terms of the GNU Lesser General Public License as *
7			* published by the Free Software Foundation; either version 3 of the *
8			* License, or (at your option) any later version. *
9			* *
10			**************************************************************************/
11
12			declare(strict_types=1);
13
14			namespace DBD\Common;
15
16			use DBD\Entity\Common\EntityException;
17
18			abstract class Singleton implements Instantiatable
19			{
20			/**
21			* Все вызванные ранее инстансы классов
22			*
23			* @var array $instances
24			*/
25			private static $instances = [];
26
27			/**
28			* Singleton constructor. You can't create me
29			*/
30			private function __construct()
31			{
32			}
33
34			/**
35			* @return Instantiatable\|Singleton\|static
36			*/
37			public static function me(): Instantiatable
38			{
39			return self::getInstance(get_called_class());
40			}
41
42			/**
43			* Функция получения инстанса класса
44			*
45			* @param string $class
46			*
47			* @return Singleton
48			*/
49			final public static function getInstance(string $class): Singleton
50			{
51			if (!isset(self::$instances[$class])) {
52			$object = new $class;
53
54			return self::$instances[$class] = $object;
55			} else {
56			return self::$instances[$class];
57			}
58			}
59
60			/**
61			* do not clone me
62			* @throws EntityException
63			*/
64			protected function __clone()
65			{
66			throw new EntityException("Singleton classes should not be cloned");
67			}
68			}
69

Falseclock / dbd-php-entity

Singleton::getInstance() A last analyzed 2023-04-06 07:41 UTC

Complexity

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Singleton::getInstance() A
last analyzed 2023-04-06 07:41 UTC