<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\TableGateway\Feature;
use Zend\Db\Adapter\AdapterInterface;
use Zend\Db\Sql\Sql;
class MasterSlaveFeature extends AbstractFeature
{
/**
* @var AdapterInterface
*/
protected $slaveAdapter = null;
/**
* @var Sql
*/
protected $masterSql = null;
/**
* @var Sql
*/
protected $slaveSql = null;
/**
* Constructor
*
* @param AdapterInterface $slaveAdapter
* @param Sql|null $slaveSql
*/
public function __construct(AdapterInterface $slaveAdapter, Sql $slaveSql = null)
{
$this->slaveAdapter = $slaveAdapter;
if ($slaveSql) {
$this->slaveSql = $slaveSql;
}
}
public function getSlaveAdapter()
{
return $this->slaveAdapter;
}
/**
* @return Sql
*/
public function getSlaveSql()
{
return $this->slaveSql;
}
/**
* after initialization, retrieve the original adapter as "master"
*/
public function postInitialize()
{
$this->masterSql = $this->tableGateway->sql;
if ($this->slaveSql == null) {
$this->slaveSql = new Sql(
$this->slaveAdapter,
$this->tableGateway->sql->getTable(),
$this->tableGateway->sql->getSqlPlatform()
);
}
}
/**
* preSelect()
* Replace adapter with slave temporarily
*/
public function preSelect()
{
$this->tableGateway->sql = $this->slaveSql;
}
/**
* postSelect()
* Ensure to return to the master adapter
*/
public function postSelect()
{
$this->tableGateway->sql = $this->masterSql;
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|