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<?php |
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namespace devtransition\rabbitmq\base; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Connection\AMQPStreamConnection; |
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use PhpAmqpLib\Connection\AMQPSSLConnection; |
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use yii\base\Component; |
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/** |
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* Connection represents an advanced instance of PhpAmqpLibs AMQPStreamConnection. |
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* |
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* Connection works together with Channels .... explain.. |
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* |
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* @property string $host RabbitMQ server hostname or IP address. Defaults to `localhost`. |
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* @property integer $port TCP-Port where RabbitMQ is listening. Defaults to `5672`. |
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* @property string $username RabbitMQ server username on connect. Defaults to `guest`. |
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* @property string $password RabbitMQ server password on connect. Defaults to `guest`. |
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* @property string $vhost RabbitMQ server virtual host to use. Defaults to `/`. |
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* @property \PhpAmqpLib\Connection\AMQPStreamConnection $connection The PhpAmqpLib connection instance. This property is read-only. |
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* |
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* @author Nicolas Wild <[email protected]> |
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*/ |
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class Connection extends Component implements ConnectionInterface |
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{ |
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/** |
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* @var AMQPStreamConnection |
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*/ |
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public $connection; |
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/** |
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* @var string |
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*/ |
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public $host = 'localhost'; |
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/** |
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* @var integer |
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*/ |
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public $port = 5672; |
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/** |
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* @var string |
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*/ |
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public $username = 'guest'; |
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/** |
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* @var string |
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*/ |
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public $password = ''; |
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/** |
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* @var string |
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*/ |
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public $vhost = '/'; |
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/** |
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* @var array |
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*/ |
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public $options = []; |
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/** |
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* @var AMQPChannel[] |
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*/ |
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protected $channels = []; |
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/** |
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* @var AMQPStreamConnection |
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*/ |
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protected $amqpConnection; |
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/** |
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* @inheritdoc |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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$this->_parseOptions(); |
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$this->open(); |
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} |
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public function open() |
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{ |
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/* TODO: Implement options appy and TLS */ |
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$this->amqpConnection = new AMQPStreamConnection( |
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$this->host, |
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$this->port, |
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$this->username, |
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$this->password, |
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$this->vhost, |
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$insist = false, |
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$login_method = 'AMQPLAIN', |
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$login_response = null, |
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$locale = 'en_US', |
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$connection_timeout = 3, |
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$read_write_timeout = 3, |
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$context = null, |
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$keepalive = false, |
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$heartbeat = 0 |
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); |
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} |
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public function close() |
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{ |
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$this->amqpConnection->close(); |
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} |
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public function reconnect() |
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{ |
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$this->amqpConnection-> reconnect(); |
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} |
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public function isConnected() |
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{ |
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$this->amqpConnection->isConnected(); |
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} |
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/** |
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* Returns low-level AMQP connection instance |
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* |
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* @return AMQPStreamConnection|AMQPSSLConnection |
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*/ |
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public function getAmqpInstance() |
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{ |
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return $this->amqpConnection; |
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} |
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private function _parseOptions() |
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{ |
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/* TODO: Implement */ |
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} |
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} |
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PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()
method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
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, this method _has_ side-effects. In the following case, we could not remove the method call: