PHP AMQPChannel::basic_get方法代碼示例

 /**
  * {@inheritDoc}
  */
 public function get()
 {
     $envelope = $this->channel->basic_get($this->queueName);
     if (null === $envelope) {
         return null;
     }
     $properties = $envelope->has('application_headers') ? $envelope->get('application_headers') : array();
     return new Message($envelope->body, $properties, $envelope->get('delivery_tag'));
 }

 /**
  * Remove the next message in line. And if no message is available
  * wait $interval seconds.
  *
  * @param  string $queueName
  * @param  int    $interval
  * @return array  An array like array($message, $receipt);
  */
 public function popMessage($queueName, $interval = 5)
 {
     $message = $this->channel->basic_get($queueName);
     if (!$message) {
         // sleep for 10 ms to prevent hammering CPU
         usleep(10000);
         return [null, null];
     }
     return [$message->body, $message->get('delivery_tag')];
 }

 /**
  * @param $queue
  *
  * @return mixed
  */
 public function consume($queue)
 {
     $messageBody = false;
     $message = $this->ch->basic_get($queue);
     if ($message) {
         $this->ch->basic_ack($message->delivery_info['delivery_tag']);
         $messageBody = $message->body;
     }
     return $messageBody;
 }

 /**
  * {@inheritDoc}
  */
 public function get()
 {
     $envelope = $this->channel->basic_get($this->queueName);
     if (null === $envelope) {
         return null;
     }
     // Explanation on these properties can be found at:
     // https://github.com/videlalvaro/php-amqplib/blob/091/doc/AMQPMessage.md
     $properties = array('content_type' => $envelope->has('content_type') ? $envelope->get('content_type') : '', 'delivery_mode' => $envelope->has('delivery_mode') ? $envelope->get('delivery_mode') : 0, 'content_encoding' => $envelope->has('content_encoding') ? $envelope->get('content_encoding') : '', 'type' => $envelope->has('type') ? $envelope->get('type') : '', 'timestamp' => $envelope->has('timestamp') ? $envelope->get('timestamp') : 0, 'priority' => $envelope->has('priority') ? $envelope->get('priority') : 0, 'expiration' => $envelope->has('expiration') ? $envelope->get('expiration') : '', 'app_id' => $envelope->has('app_id') ? $envelope->get('app_id') : '', 'message_id' => $envelope->has('message_id') ? $envelope->get('message_id') : '', 'reply_to' => $envelope->has('reply_to') ? $envelope->get('reply_to') : '', 'correlation_id' => $envelope->has('correlation_id') ? $envelope->get('correlation_id') : '', 'user_id' => $envelope->has('user_id') ? $envelope->get('user_id') : 0, 'cluster_id' => $envelope->has('cluster_id') ? $envelope->get('cluster_id') : 0, 'channel' => isset($envelope->delivery_info['channel']) ? $envelope->delivery_info['channel'] : '', 'consumer_tag' => isset($envelope->delivery_info['consumer_tag']) ? $envelope->delivery_info['consumer_tag'] : '', 'delivery_tag' => isset($envelope->delivery_info['delivery_tag']) ? $envelope->delivery_info['delivery_tag'] : '', 'is_redelivery' => isset($envelope->delivery_info['redelivered']) ? $envelope->delivery_info['redelivered'] : false, 'exchange_name' => isset($envelope->delivery_info['exchange']) ? $envelope->delivery_info['exchange'] : '', 'routing_key' => isset($envelope->delivery_info['routing_key']) ? $envelope->delivery_info['routing_key'] : '');
     $properties['headers'] = array();
     if ($envelope->has('application_headers')) {
         foreach ($envelope->get('application_headers') as $key => $value) {
             $properties['headers'][$key] = $value[1];
         }
     }
     return new Message($envelope->body, $properties, $envelope->get('delivery_tag'));
 }

 /**
  * Pop the next job off of the queue.
  *
  * @param string|null $queue
  *
  * @return \Illuminate\Queue\Jobs\Job|null
  */
 public function pop($queue = null)
 {
     $queue = $this->getQueueName($queue);
     $this->declareQueue($queue);
     // get envelope
     $message = $this->channel->basic_get($queue);
     if ($message instanceof AMQPMessage) {
         return new RabbitMQJob($this->container, $this, $message, $queue, $this->channel);
     }
     return;
 }

 /**
  * Get the next message from the queue.
  * @return AMQPMessage
  * @throws ConnectionError Thrown by self::openConnection if connection cannot be established
  */
 public function getNextMessage()
 {
     $this->openConnection();
     $message = $this->channel->basic_get($this->config->getQueueName());
     // Currently no reason to want to see any message more than once so
     // ack every message received from the queue.
     if ($message) {
         // direct delivery_info array access recommended in PhpAmqpLib documentation
         $this->channel->basic_ack($message->delivery_info['delivery_tag']);
     }
     return $message;
 }

 /**
  * {@inheritDoc}
  */
 public function get()
 {
     $envelope = $this->channel->basic_get($this->queueName);
     if (null === $envelope) {
         return;
     }
     $properties = [];
     $propertyKeys = ['content_type', 'delivery_mode', 'content_encoding', 'type', 'timestamp', 'priority', 'expiration', 'app_id', 'message_id', 'reply_to', 'correlation_id', 'user_id', 'cluster_id', 'channel', 'consumer_tag', 'delivery_tag', 'redelivered', 'exchange', 'routing_key'];
     foreach ($propertyKeys as $key) {
         if ($envelope->has($key)) {
             $properties[$key] = $envelope->get($key);
         }
     }
     $properties['headers'] = [];
     if ($envelope->has('application_headers')) {
         foreach ($envelope->get('application_headers') as $key => $value) {
             $properties['headers'][$key] = $value[1];
         }
     }
     return new Message($envelope->body, $properties, $envelope->get('delivery_tag'));
 }

 /**
  * {@inheritdoc}
  */
 public function pop(string $queue = null)
 {
     $queue = $this->getQueue($queue);
     try {
         $this->declareQueue($queue);
     } catch (AMQPRuntimeException $exception) {
         $this->connection->reconnect();
         $this->declareQueue($queue);
     }
     // get envelope
     $message = $this->channel->basic_get($queue);
     if ($message instanceof AMQPMessage) {
         return new RabbitMQJob($this->container, $this, $this->channel, $queue, $message);
     }
 }

 /**
  * Read a queue until there's a message or until a timeout.
  *
  * @param string $queue
  * @param int    $timeout Time to wait in seconds
  * @return AMQPMessage|null
  */
 protected function waitForMessage($queue, $timeout)
 {
     $timeStart = microtime(true);
     do {
         // Get message and auto-ack
         $response = $this->channel->basic_get($queue);
         if ($response) {
             return $response;
         }
         // Sleep 300 ms
         usleep(300000);
         $timeSpent = microtime(true) - $timeStart;
     } while ($timeSpent < $timeout);
     return null;
 }

 /**
  * {@inheritdoc}
  */
 public function pop($queue, $timeout = 0)
 {
     $this->queueDeclare($queue);
     $message = $this->channel->basic_get($queue);
     // @codeCoverageIgnoreStart
     if ($timeout > 0) {
         $start = microtime(true);
         while (is_null($message) and $timeout > microtime(true) - $start) {
             sleep(1);
             $message = $this->channel->basic_get($queue);
         }
     }
     // @codeCoverageIgnoreEnd
     if ($message instanceof AMQPMessage) {
         return new $this->managerClass($queue, $message, $this);
     }
     throw new QueueEmptyException($queue);
 }

 /**
  * Publish a message, then get it immediately
  * @return \PhpAmqpLib\Message\AMQPMessage
  */
 protected function publishGet()
 {
     $msg = new AMQPMessage($this->msgBody, array('content_type' => 'text/plain', 'delivery_mode' => 1, 'correlation_id' => 'my_correlation_id', 'reply_to' => 'my_reply_to'));
     $this->ch->basic_publish($msg, $this->exchange, $this->queue);
     return $this->ch->basic_get($this->queue);
 }

 /**
  * @param $queueTitle
  * @return mixed
  */
 public function getMessage($queueTitle)
 {
     return $this->channel->basic_get($queueTitle)->body;
 }