LazyDBConnectionProvider::getConnection() - Code Metrics - Inspection of "Prepare SWL when SMW is loaded via extension.json..." - SemanticMediaWiki/SemanticWatchlist - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 65a2de...91e3d3 )

by mw

created 2017-07-08 06:52 UTC

LazyDBConnectionProvider::getConnection() A

↳ Parent: LazyDBConnectionProvider

Complexity

Conditions	3
Paths	4

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
dl	0
loc	12
rs	9.4285
c	1
b	0
f	0
ccs	0
cts	7
cp	0
cc	3
eloc	6
nc	4
nop	0
crap	12

<?php

namespace SWL;

use DatabaseBase;
use RuntimeException;

/**
 * @license GNU GPL v2+
 * @since 1.2
 *
 * @author Jeroen De Dauw < [email protected] >
 */
class LazyDBConnectionProvider {

	/**
	 * @var DatabaseBase|null
	 */
	protected $connection = null;

	/**
	 * @var int|null
	 */
	protected $connectionId = null;

	/**
	 * @var string|array
	 */
	protected $groups;

	/**
	 * @var string|boolean $wiki
	 */
	protected $wiki;

	/**
	 * @since 1.2
	 *
	 * @param int $connectionId
	 * @param string|array $groups
	 * @param string|boolean $wiki
	 */
	public function __construct( $connectionId, $groups = array(), $wiki = false ) {
		$this->connectionId = $connectionId;
		$this->groups = $groups;
		$this->wiki = $wiki;
	}

	/**
	 * @see DBConnectionProvider::getConnection
	 *
	 * @since 1.2
	 *
	 * @return DatabaseBase
	 * @throws RuntimeException
	 */
	public function getConnection() {

		if ( $this->connection === null ) {
			$this->connection = wfGetLB( $this->wiki )->getConnection( $this->connectionId, $this->groups, $this->wiki );
		}

		if ( $this->isConnection( $this->connection ) ) {
			return $this->connection;
		}

		throw new RuntimeException( 'Expected a DatabaseBase instance' );
	}

	/**
	 * @see DBConnectionProvider::releaseConnection
	 *
	 * @since 1.2
	 */
	public function releaseConnection() {
		if ( $this->wiki !== false && $this->connection !== null ) {
			wfGetLB( $this->wiki )->reuseConnection( $this->connection );
		}
	}

	protected function isConnection( $connection ) {
		return $connection instanceof DatabaseBase;

	}

}


1			<?php
2
3			namespace SWL;
4
5			use DatabaseBase;
6			use RuntimeException;
7
8			/**
9			* @license GNU GPL v2+
10			* @since 1.2
11			*
12			* @author Jeroen De Dauw < [email protected] >
13			*/
14			class LazyDBConnectionProvider {
15
16			/**
17			* @var DatabaseBase\|null
18			*/
19			protected $connection = null;
20
21			/**
22			* @var int\|null
23			*/
24			protected $connectionId = null;
25
26			/**
27			* @var string\|array
28			*/
29			protected $groups;
30
31			/**
32			* @var string\|boolean $wiki
33			*/
34			protected $wiki;
35
36			/**
37			* @since 1.2
38			*
39			* @param int $connectionId
40			* @param string\|array $groups
41			* @param string\|boolean $wiki
42			*/
43			public function __construct( $connectionId, $groups = array(), $wiki = false ) {
44			$this->connectionId = $connectionId;
45			$this->groups = $groups;
46			$this->wiki = $wiki;
47			}
48
49			/**
50			* @see DBConnectionProvider::getConnection
51			*
52			* @since 1.2
53			*
54			* @return DatabaseBase
55			* @throws RuntimeException
56			*/
57			public function getConnection() {
58
59			if ( $this->connection === null ) {
60			$this->connection = wfGetLB( $this->wiki )->getConnection( $this->connectionId, $this->groups, $this->wiki );
61			}
62
63			if ( $this->isConnection( $this->connection ) ) {
64			return $this->connection;
65			}
66
67			throw new RuntimeException( 'Expected a DatabaseBase instance' );
68			}
69
70			/**
71			* @see DBConnectionProvider::releaseConnection
72			*
73			* @since 1.2
74			*/
75			public function releaseConnection() {
76			if ( $this->wiki !== false && $this->connection !== null ) {
77			wfGetLB( $this->wiki )->reuseConnection( $this->connection );
78			}
79			}
80
81			protected function isConnection( $connection ) {
82			return $connection instanceof DatabaseBase;
			0 ignored issues – show Bug introduced 2017-07-08 06:49 UTC by Report Bug Copy Issue Report The class `DatabaseBase` does not exist. Is this class maybe located in a folder that is not analyzed, or in a newer version of your dependencies than listed in your composer.lock/composer.json? Loading history...
83			}
84
85			}
86

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LazyDBConnectionProvider::getConnection() A

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