3 * A foreign repository with a MediaWiki database accessible via the configured LBFactory.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
25 * A foreign repository with a MediaWiki database accessible via the configured LBFactory
29 class ForeignDBViaLBRepo
extends LocalRepo
{
32 protected $tablePrefix;
33 protected $fileFactory = array( 'ForeignDBFile', 'newFromTitle' );
34 protected $fileFromRowFactory = array( 'ForeignDBFile', 'newFromRow' );
37 * @param $info array|null
39 function __construct( $info ) {
40 parent
::__construct( $info );
41 $this->wiki
= $info['wiki'];
42 list( $this->dbName
, $this->tablePrefix
) = wfSplitWikiID( $this->wiki
);
43 $this->hasSharedCache
= $info['hasSharedCache'];
47 * @return DatabaseBase
49 function getMasterDB() {
50 return wfGetDB( DB_MASTER
, array(), $this->wiki
);
54 * @return DatabaseBase
56 function getSlaveDB() {
57 return wfGetDB( DB_SLAVE
, array(), $this->wiki
);
60 function hasSharedCache() {
61 return $this->hasSharedCache
;
65 * Get a key on the primary cache for this repository.
66 * Returns false if the repository's cache is not accessible at this site.
67 * The parameters are the parts of the key, as for wfMemcKey().
70 function getSharedCacheKey( /*...*/ ) {
71 if ( $this->hasSharedCache() ) {
72 $args = func_get_args();
73 array_unshift( $args, $this->wiki
);
75 return implode( ':', $args );
81 protected function assertWritableRepo() {
82 throw new MWException( get_class( $this ) . ': write operations are not supported.' );