val connFactory = new ConnectionFactory()
  connFactory.setUri("amqp://guest:guest@localhost/%2F")
  val conn = system.actorOf(ConnectionOwner.props(connFactory, 1 second))
  val channel = ConnectionOwner.createChildActor(conn, ChannelOwner.props())

  channel ! DeclareQueue(QueueParameters("my_queue", passive = false, durable = false, exclusive = false, autodelete = true))

  val connFactory = new ConnectionFactory()
  connFactory.setUri("amqp://guest:guest@localhost/%2F")
  val conn = system.actorOf(ConnectionOwner.props(connFactory, 1 second))
  val channel = ConnectionOwner.createChildActor(conn, ChannelOwner.props())

  val Amqp.Ok(_, Some(result: Queue.DeclareOk)) = Await.result(
    (channel ? DeclareQueue(QueueParameters(name = "my_queue", passive = true))).mapTo[Amqp.Ok],
    5 seconds
  )
  println("there are %d messages in the queue named %s".format(result.getMessageCount, result.getQueue))

  val connFactory = new ConnectionFactory()
  connFactory.setUri("amqp://guest:guest@localhost/%2F")
  val conn = system.actorOf(ConnectionOwner.props(connFactory, 1 second))

  // create an actor that will receive AMQP deliveries
  val listener = system.actorOf(Props(new Actor {
    def receive = {
      case Delivery(consumerTag, envelope, properties, body) => {
        println("got a message: " + new String(body))
        sender ! Ack(envelope.getDeliveryTag)
      }
    }
  }))

  // create a consumer that will route incoming AMQP messages to our listener
  // it starts with an empty list of queues to consume from
  val consumer = ConnectionOwner.createChildActor(conn, Consumer.props(listener, channelParams = None, autoack = false))

  // wait till everyone is actually connected to the broker
  Amqp.waitForConnection(system, consumer).await()

  // create a queue, bind it to a routing key and consume from it
  // here we don't wrap our requests inside a Record message, so they won't replayed when if the connection to
  // the broker is lost: queue and binding will be gone

  // create a queue
  val queueParams = QueueParameters("my_queue", passive = false, durable = false, exclusive = false, autodelete = true)
  consumer ! DeclareQueue(queueParams)
  // bind it
  consumer ! QueueBind(queue = "my_queue", exchange = "amq.direct", routing_key = "my_key")
  // tell our consumer to consume from it
  consumer ! AddQueue(QueueParameters(name = "my_queue", passive = false))

 val consumer = ConnectionOwner.createChildActor(conn, Consumer.props(
    listener = Some(listener),
    init = List(AddBinding(Binding(StandardExchanges.amqDirect, queueParams, "my_key")))
  ), name = Some("consumer"))

  consumer ! Record(AddBinding(Binding(StandardExchanges.amqDirect, QueueParameters("my_queue", passive = false, durable = false, exclusive = false, autodelete = true), "my_key")))

  val connFactory = new ConnectionFactory()
  connFactory.setRequestedHeartbeat(5) // seconds

  // typical "work queue" pattern, where a job can be picked up by any running node
  implicit val system = ActorSystem("mySystem")

  // create an AMQP connection
  val connFactory = new ConnectionFactory()
  connFactory.setUri("amqp://guest:guest@localhost/%2F")
  val conn = system.actorOf(ConnectionOwner.props(connFactory, 1 second))

  val queueParams = QueueParameters("my_queue", passive = false, durable = false, exclusive = false, autodelete = true)

  // create 2 equivalent servers
  val rpcServers = for (i <- 1 to 2) yield {
    // create a "processor"
    // in real life you would use a serialization framework (json, protobuf, ....), define command messages, etc...
    // check the Akka AMQP proxies project for examples
    val processor = new IProcessor {
      def process(delivery: Delivery) = {
        // assume that the message body is a string
        val response = "response to " + new String(delivery.body)
        Future(ProcessResult(Some(response.getBytes)))
      }
      def onFailure(delivery: Delivery, e: Throwable) = ProcessResult(None) // we don't return anything
    }
    ConnectionOwner.createChildActor(conn, RpcServer.props(queueParams, StandardExchanges.amqDirect,  "my_key", processor, ChannelParameters(qos = 1)))
  }

  val rpcClient = ConnectionOwner.createChildActor(conn, RpcClient.props())

  // wait till everyone is actually connected to the broker
  Amqp.waitForConnection(system, rpcServers: _*).await()
  Amqp.waitForConnection(system, rpcClient).await()

  implicit val timeout: Timeout = 2 seconds

  for (i <- 0 to 5) {
    val request = ("request " + i).getBytes
    val f = (rpcClient ? Request(List(Publish("amq.direct", "my_key", request)))).mapTo[RpcClient.Response]
    f.onComplete {
      case Success(response) => println(new String(response.deliveries.head.body))
      case Failure(error) => println(error)
    }
  }
  // wait 10 seconds and shut down
  Thread.sleep(10000)
  system.shutdown()

  // one request/several responses pattern
  implicit val system = ActorSystem("mySystem")

  // create an AMQP connection
  val connFactory = new ConnectionFactory()
  connFactory.setUri("amqp://guest:guest@localhost/%2F")
  val conn = system.actorOf(ConnectionOwner.props(connFactory, 1 second))

  // typical "reply queue"; the name if left empty: the broker will generate a new random name
  val privateReplyQueue = QueueParameters("", passive = false, durable = false, exclusive = true, autodelete = true)

  // we have a problem that can be "sharded", we create one server per shard, and for each request we expect one
  // response from each shard

  // create one server per shard
  val rpcServers = for (i <- 0 to 2) yield {
    // create a "processor"
    // in real life you would use a serialization framework (json, protobuf, ....), define command messages, etc...
    // check the Akka AMQP proxies project for examples
    val processor = new IProcessor {
      def process(delivery: Delivery) = {
        // assume that the message body is a string
        val response = "response to " + new String(delivery.body) + " from shard " + i
        Future(ProcessResult(Some(response.getBytes)))
      }
      def onFailure(delivery: Delivery, e: Throwable) = ProcessResult(None) // we don't return anything
    }
    ConnectionOwner.createChildActor(conn, RpcServer.props(privateReplyQueue, StandardExchanges.amqDirect,  "my_key", processor, ChannelParameters(qos = 1)))
  }

  val rpcClient = ConnectionOwner.createChildActor(conn, RpcClient.props())

  // wait till everyone is actually connected to the broker
  Amqp.waitForConnection(system, rpcServers: _*).await()
  Amqp.waitForConnection(system, rpcClient).await()

  implicit val timeout: Timeout = 2 seconds

  for (i <- 0 to 5) {
    val request = ("request " + i).getBytes
    val f = (rpcClient ? Request(List(Publish("amq.direct", "my_key", request)), 3)).mapTo[RpcClient.Response]
    f.onComplete {
      case Success(response) => {
        response.deliveries.foreach(delivery => println(new String(delivery.body)))
      }
      case Failure(error) => println(error)
    }
  }
  // wait 10 seconds and shut down
  Thread.sleep(10000)
  system.shutdown()