Yii2 Bootstrap 3
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\elasticsearch;
use yii\base\Component;
use yii\base\InvalidConfigException;
/**
* elasticsearch Connection is used to connect to an elasticsearch cluster version 0.20 or higher
*
*
* @author Carsten Brandt <mail@cebe.cc>
* @since 2.0
*/
class Connection extends Component
{
/**
* @event Event an event that is triggered after a DB connection is established
*/
const EVENT_AFTER_OPEN = 'afterOpen';
// TODO add autodetection of cluster nodes
// http://localhost:9200/_cluster/nodes
public $nodes = array(
array(
'host' => 'localhost',
'port' => 9200,
)
);
// TODO use timeouts
/**
* @var float timeout to use for connection to redis. If not set the timeout set in php.ini will be used: ini_get("default_socket_timeout")
*/
public $connectionTimeout = null;
/**
* @var float timeout to use for redis socket when reading and writing data. If not set the php default value will be used.
*/
public $dataTimeout = null;
public function init()
{
if ($this->nodes === array()) {
throw new InvalidConfigException('elasticsearch needs at least one node.');
}
}
/**
* Closes the connection when this component is being serialized.
* @return array
*/
public function __sleep()
{
$this->close();
return array_keys(get_object_vars($this));
}
/**
* Returns a value indicating whether the DB connection is established.
* @return boolean whether the DB connection is established
*/
public function getIsActive()
{
return false; // TODO implement
}
/**
* Establishes a DB connection.
* It does nothing if a DB connection has already been established.
* @throws Exception if connection fails
*/
public function open()
{
foreach($this->nodes as $key => $node) {
if (is_array($node)) {
$this->nodes[$key] = new Node($node);
}
}
/* if ($this->_socket === null) {
if (empty($this->dsn)) {
throw new InvalidConfigException('Connection.dsn cannot be empty.');
}
$dsn = explode('/', $this->dsn);
$host = $dsn[2];
if (strpos($host, ':')===false) {
$host .= ':6379';
}
$db = isset($dsn[3]) ? $dsn[3] : 0;
\Yii::trace('Opening DB connection: ' . $this->dsn, __CLASS__);
$this->_socket = @stream_socket_client(
$host,
$errorNumber,
$errorDescription,
$this->connectionTimeout ? $this->connectionTimeout : ini_get("default_socket_timeout")
);
if ($this->_socket) {
if ($this->dataTimeout !== null) {
stream_set_timeout($this->_socket, $timeout=(int)$this->dataTimeout, (int) (($this->dataTimeout - $timeout) * 1000000));
}
if ($this->password !== null) {
$this->executeCommand('AUTH', array($this->password));
}
$this->executeCommand('SELECT', array($db));
$this->initConnection();
} else {
\Yii::error("Failed to open DB connection ({$this->dsn}): " . $errorNumber . ' - ' . $errorDescription, __CLASS__);
$message = YII_DEBUG ? 'Failed to open DB connection: ' . $errorNumber . ' - ' . $errorDescription : 'Failed to open DB connection.';
throw new Exception($message, $errorDescription, (int)$errorNumber);
}
}*/
// TODO implement
}
/**
* Closes the currently active DB connection.
* It does nothing if the connection is already closed.
*/
public function close()
{
// TODO implement
/* if ($this->_socket !== null) {
\Yii::trace('Closing DB connection: ' . $this->dsn, __CLASS__);
$this->executeCommand('QUIT');
stream_socket_shutdown($this->_socket, STREAM_SHUT_RDWR);
$this->_socket = null;
$this->_transaction = null;
}*/
}
/**
* Initializes the DB connection.
* This method is invoked right after the DB connection is established.
* The default implementation triggers an [[EVENT_AFTER_OPEN]] event.
*/
protected function initConnection()
{
$this->trigger(self::EVENT_AFTER_OPEN);
}
/**
* Returns the name of the DB driver for the current [[dsn]].
* @return string name of the DB driver
*/
public function getDriverName()
{
return 'elasticsearch';
}
public function getNodeInfo()
{
// TODO HTTP request to localhost:9200/
}
public function getQueryBuilder()
{
return new QueryBuilder($this);
}
/**
* @return \Guzzle\Http\Client
*/
public function http()
{
$guzzle = new \Guzzle\Http\Client('http://localhost:9200/');
//$guzzle->setDefaultOption()
return $guzzle;
}
}