/**
  * Class destructor.
  */
 public function __destruct()
 {
     if ($this->amqConnection) {
         if ($this->requestChannel) {
             $this->requestChannel->close();
         }
         if ($this->resultChannel) {
             $this->resultChannel->close();
         }
         $this->amqConnection->close();
         Common::$lg->addDebug("Closed connection to AMQ");
     }
 }