97 lines
1.8 KiB
PHP
97 lines
1.8 KiB
PHP
<?php
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/**
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* An LBFactory class that always returns a single database object.
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*/
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class LBFactory_Single extends LBFactory {
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protected $lb;
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/**
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* @param $conf array An associative array with one member:
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* - connection: The DatabaseBase connection object
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*/
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function __construct( $conf ) {
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$this->lb = new LoadBalancer_Single( $conf );
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}
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/**
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* @param $wiki bool|string
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*
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* @return LoadBalancer_Single
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*/
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function newMainLB( $wiki = false ) {
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return $this->lb;
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}
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/**
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* @param $wiki bool|string
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*
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* @return LoadBalancer_Single
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*/
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function getMainLB( $wiki = false ) {
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return $this->lb;
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}
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/**
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* @param $cluster
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* @param $wiki bool|string
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*
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* @return LoadBalancer_Single
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*/
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function newExternalLB( $cluster, $wiki = false ) {
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return $this->lb;
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}
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/**
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* @param $cluster
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* @param $wiki bool|string
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*
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* @return LoadBalancer_Single
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*/
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function &getExternalLB( $cluster, $wiki = false ) {
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return $this->lb;
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}
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/**
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* @param $callback string|array
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* @param $params array
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*/
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function forEachLB( $callback, $params = array() ) {
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call_user_func_array( $callback, array_merge( array( $this->lb ), $params ) );
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}
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}
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/**
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* Helper class for LBFactory_Single.
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*/
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class LoadBalancer_Single extends LoadBalancer {
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/**
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* @var DatabaseBase
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*/
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var $db;
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/**
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* @param $params array
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*/
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function __construct( $params ) {
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$this->db = $params['connection'];
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parent::__construct( array( 'servers' => array( array(
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'type' => $this->db->getType(),
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'host' => $this->db->getServer(),
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'dbname' => $this->db->getDBname(),
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'load' => 1,
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) ) ) );
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}
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/**
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*
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* @param $server string
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* @param $dbNameOverride bool
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*
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* @return DatabaseBase
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*/
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function reallyOpenConnection( $server, $dbNameOverride = false ) {
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return $this->db;
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}
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}
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