Code Coverage for /workspace/src/includes/libs/rdbms/database/utils/TransactionIdentifier.php

1	<?php
2	/**
3	* This program is free software; you can redistribute it and/or modify
4	* it under the terms of the GNU General Public License as published by
5	* the Free Software Foundation; either version 2 of the License, or
6	* (at your option) any later version.
7	*
8	* This program is distributed in the hope that it will be useful,
9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11	* GNU General Public License for more details.
12	*
13	* You should have received a copy of the GNU General Public License along
14	* with this program; if not, write to the Free Software Foundation, Inc.,
15	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16	* http://www.gnu.org/copyleft/gpl.html
17	*
18	* @file
19	*/
20	namespace Wikimedia\Rdbms;
21
22	/**
23	* Class used for token representing identifiers for atomic transactions from IDatabase instances
24	*
25	* @ingroup Database
26	* @internal
27	*/
28	class TransactionIdentifier {
29	/** @var string Application-side ID of the active transaction or an empty string otherwise */
30	private $id = '';
31
32	public function __construct() {
33	static $nextId;
34	$nextId = ( $nextId !== null ? $nextId++ : mt_rand() ) % 0xffff;
35	$this->id = sprintf( '%06x', mt_rand( 0, 0xffffff ) ) . sprintf( '%04x', $nextId );
36	}
37
38	public function __toString() {
39	return $this->id;
40	}
41	}