/**
* Get a database connection
*
* @return AbstractConnection
*/
public function getInstance()
{
return $this->factory->newInstance($this->adapter, $this->dsn, $this->username, $this->password);
}
/**
* init : connect to database
* @return boolean Operation result
*/
public function init()
{
if (!empty($this->_db)) {
return true;
}
// get system config
$svr = AppServer::get_instance();
$db_cfg = $svr->config->get('database', array());
$result = true;
try {
$this->_debug_mode = isset($db_cfg['debug_mode']) ? $db_cfg['debug_mode'] : false;
$connection_factory = new ConnectionFactory();
$db = $connection_factory->newInstance(isset($db_cfg['adapter']) ? $db_cfg['adapter'] : 'mysql', isset($db_cfg['dsn']) ? $db_cfg['dsn'] : 'host=localhost;dbname=mysql', isset($db_cfg['username']) ? $db_cfg['username'] : '******', isset($db_cfg['password']) ? $db_cfg['password'] : '');
$db->connect();
$this->_db = $db;
} catch (PDOException $e) {
$this->log_last_query();
$result = false;
log_message('error', 'Failed to connect to db server : ' . $e->getMessage() . ' [ ' . $e->getCode() . ' ]');
}
return $result;
}
