/**
* @param MasterSlaveConnection $connection
* @return Success|Failure
*/
private function checkMasterSlaveConnection(MasterSlaveConnection $connection)
{
// TODO Check all slaves, instead of random one if possible.
$connection->connect('slave');
$isSlaveConnected = $connection->ping();
$connection->connect('master');
$isMasterConnected = $connection->ping();
$data = ['slave' => $isSlaveConnected ? 'connected' : 'not connected', 'master' => $isMasterConnected ? 'connected' : 'not connected'];
if ($isMasterConnected && $isSlaveConnected) {
return new Success(get_class($connection), $data);
}
return new Failure(get_class($connection), $data);
}
/**
* {@inheritdoc}
*/
public function connect($connectionName = null)
{
try {
return parent::connect($connectionName);
} catch (DBALException $e) {
if ($this->_eventManager->hasListeners('failConnect')) {
$eventArgs = new FailedConnectionEvent($this, $e);
$this->_eventManager->dispatchEvent('failConnect', $eventArgs);
}
}
}