/**
* {@inheritdoc}
*/
public function add(IConnectionSingle $connection)
{
$parameters = $connection->getParameters();
if (isset($parameters->alias)) {
$this->_pool[$parameters->alias] = $connection;
} else {
$this->_pool[] = $connection;
}
$this->_distributor->add($connection, $parameters->weight);
}
/**
* {@inheritdoc}
*/
public function remove(IConnectionSingle $connection)
{
if ($connection->getParameters()->alias === 'master') {
$this->master = null;
$this->reset();
return true;
} else {
if (($id = array_search($connection, $this->slaves, true)) !== false) {
unset($this->slaves[$id]);
$this->reset();
return true;
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function executeCommand(ICommand $command)
{
if (null === $this->logger) {
return $this->connection->executeCommand($command);
}
$startTime = microtime(true);
$result = $this->connection->executeCommand($command);
$duration = (microtime(true) - $startTime) * 1000;
$error = $result instanceof ResponseError ? (string) $result : false;
$this->logger->logCommand((string) $command, $duration, $this->getParameters()->alias, $error);
return $result;
}
/**
* Prepares a connection object after its initialization.
*
* @param IConnectionSingle $connection Instance of a connection object.
* @param IServerProfile $profile $connection Instance of a connection object.
*/
protected function prepareConnection(IConnectionSingle $connection, IServerProfile $profile)
{
$parameters = $connection->getParameters();
if (isset($parameters->password)) {
$command = $profile->createCommand('auth', array($parameters->password));
$connection->pushInitCommand($command);
}
if (isset($parameters->database)) {
$command = $profile->createCommand('select', array($parameters->database));
$connection->pushInitCommand($command);
}
}