f5f1e38b9a
Swapped some "$var type" to "type $var" or added missing types before the $var. Changed some other types to match the more common spelling. Makes beginning of some text in captial. Also added some missing @param. Change-Id: I3595e9aac69ac42fbb74b0783fae0ad9bcc831aa
112 lines
2.8 KiB
PHP
112 lines
2.8 KiB
PHP
<?php
|
|
/**
|
|
* Simple generator of database connections that always returns the same object.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
* @file
|
|
* @ingroup Database
|
|
*/
|
|
|
|
/**
|
|
* An LBFactory class that always returns a single database object.
|
|
*/
|
|
class LBFactorySingle extends LBFactory {
|
|
/** @var LoadBalancerSingle */
|
|
protected $lb;
|
|
|
|
/**
|
|
* @param array $conf An associative array with one member:
|
|
* - connection: The DatabaseBase connection object
|
|
*/
|
|
function __construct( $conf ) {
|
|
$this->lb = new LoadBalancerSingle( $conf );
|
|
}
|
|
|
|
/**
|
|
* @param bool|string $wiki
|
|
* @return LoadBalancerSingle
|
|
*/
|
|
function newMainLB( $wiki = false ) {
|
|
return $this->lb;
|
|
}
|
|
|
|
/**
|
|
* @param bool|string $wiki
|
|
* @return LoadBalancerSingle
|
|
*/
|
|
function getMainLB( $wiki = false ) {
|
|
return $this->lb;
|
|
}
|
|
|
|
/**
|
|
* @param string $cluster External storage cluster, or false for core
|
|
* @param bool|string $wiki Wiki ID, or false for the current wiki
|
|
* @return LoadBalancerSingle
|
|
*/
|
|
function newExternalLB( $cluster, $wiki = false ) {
|
|
return $this->lb;
|
|
}
|
|
|
|
/**
|
|
* @param string $cluster External storage cluster, or false for core
|
|
* @param bool|string $wiki Wiki ID, or false for the current wiki
|
|
* @return LoadBalancerSingle
|
|
*/
|
|
function &getExternalLB( $cluster, $wiki = false ) {
|
|
return $this->lb;
|
|
}
|
|
|
|
/**
|
|
* @param string|array $callback
|
|
* @param array $params
|
|
*/
|
|
function forEachLB( $callback, $params = array() ) {
|
|
call_user_func_array( $callback, array_merge( array( $this->lb ), $params ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper class for LBFactorySingle.
|
|
*/
|
|
class LoadBalancerSingle extends LoadBalancer {
|
|
/** @var DatabaseBase */
|
|
protected $db;
|
|
|
|
/**
|
|
* @param array $params
|
|
*/
|
|
function __construct( $params ) {
|
|
$this->db = $params['connection'];
|
|
parent::__construct( array( 'servers' => array( array(
|
|
'type' => $this->db->getType(),
|
|
'host' => $this->db->getServer(),
|
|
'dbname' => $this->db->getDBname(),
|
|
'load' => 1,
|
|
) ) ) );
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param string $server
|
|
* @param bool $dbNameOverride
|
|
*
|
|
* @return DatabaseBase
|
|
*/
|
|
function reallyOpenConnection( $server, $dbNameOverride = false ) {
|
|
return $this->db;
|
|
}
|
|
}
|