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.
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.
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
21 use Wikimedia\Rdbms\IDatabase
;
24 * Base class for the more common types of database errors. These are known to occur
25 * frequently, so we try to give friendly error messages for them.
30 class DBExpectedError
extends DBError
implements MessageSpecifier
, ILocalizedException
{
31 /** @var string[] Message parameters */
34 function __construct( IDatabase
$db = null, $error, array $params = [] ) {
35 parent
::__construct( $db, $error );
36 $this->params
= $params;
39 public function getKey() {
40 return 'databaseerror-text';
43 public function getParams() {
51 public function getMessageObject() {
52 return Message
::newFromSpecifier( $this );