DatabaseSingleton::__construct() - Code Metrics - Inspection of "kw_mapper - changes for MSSQL and Oracle, separate..." - alex-kalanis/kw_mapper - Measure and Improve Code Quality continuously with Scrutinizer

Passed

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by Petr

created 2025-05-11 16:15 UTC

DatabaseSingleton::__construct() A

↳ Parent: DatabaseSingleton

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	0

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

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

<?php

namespace kalanis\kw_mapper\Storage\Database;


use kalanis\kw_mapper\MapperException;


/**
 * Class DatabaseSingleton
 * @package kalanis\kw_mapper\Storage\Database
 * Singleton to access databases across the mappers
 */
class DatabaseSingleton
{
    protected static ?DatabaseSingleton $instance = null;
    /** @var ADatabase[] */
    private array $database = [];

    public static function getInstance(): self
    {
        if (empty(static::$instance)) {
            static::$instance = new self();
        }
        return static::$instance;

    }

    protected function __construct()
    {
    }

    /**
     * @codeCoverageIgnore why someone would run that?!
     */
    private function __clone()
    {
    }

    /**
     * @param Config $config
     * @throws MapperException
     * @return ADatabase
     */
    final public function getDatabase(Config $config): ADatabase
    {
        if (empty($this->database[$config->getDriver()])) {
            $this->database[$config->getDriver()] = $this->getFactory()->getDatabase($config);
        }
        return $this->database[$config->getDriver()];
    }

    protected function getFactory(): Factory
    {
        return Factory::getInstance();
    }
}


1		<?php
2
3		namespace kalanis\kw_mapper\Storage\Database;
4
5
6		use kalanis\kw_mapper\MapperException;
7
8
9		/**
10		* Class DatabaseSingleton
11		* @package kalanis\kw_mapper\Storage\Database
12		* Singleton to access databases across the mappers
13		*/
14		class DatabaseSingleton
15		{
16		protected static ?DatabaseSingleton $instance = null;
17		/** @var ADatabase[] */
18		private array $database = [];
19
20	56	public static function getInstance(): self
21		{
22	56	if (empty(static::$instance)) {
23	2	static::$instance = new self();
24		}
25	56	return static::$instance;
		0 ignored issues – show Bug Best Practice introduced 2024-04-01 13:31 UTC by Report Bug Copy Issue Report The expression `return static::instance` could return the type `null` which is incompatible with the type-hinted return `kalanis\kw_mapper\Storag...abase\DatabaseSingleton`. Consider adding an additional type-check to rule them out. Loading history...
26		}
27
28	2	protected function __construct()
29		{
30	2	}
31
32		/**
33		* @codeCoverageIgnore why someone would run that?!
34		*/
35		private function __clone()
36		{
37		}
38
39		/**
40		* @param Config $config
41		* @throws MapperException
42		* @return ADatabase
43		*/
44	56	final public function getDatabase(Config $config): ADatabase
45		{
46	56	if (empty($this->database[$config->getDriver()])) {
47	5	$this->database[$config->getDriver()] = $this->getFactory()->getDatabase($config);
48		}
49	56	return $this->database[$config->getDriver()];
50		}
51
52	5	protected function getFactory(): Factory
53		{
54	5	return Factory::getInstance();
55		}
56		}
57

alex-kalanis / kw_mapper

Push — master ( 5d8af1...e44bd6 )

DatabaseSingleton::__construct() A

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