2010-11-18 288 views
0

我想從RabbitMq的隊列中獲取消息,但只有第一次給我的消息數,然後它不給我任何count.I使用scala語言,並使用它演員。任何幫助將不勝感激。RabbitMQ只有一次從隊列中獲取消息計數

代碼如下

 def act { 
loop { 
    FACTORY = new ConnectionFactory() 
    //  println("loop") 
    FACTORY.setUsername("guest") 
    FACTORY.setPassword("guest") 
    FACTORY.setVirtualHost("/") 
    FACTORY.setPort(5672) 
    FACTORY.setHost("localhost") 
    **conn = FACTORY.newConnection** 
    QUEUE_CHANNEL = conn.createChannel 
    QUEUE_CHANNEL.exchangeDeclare(EXCHANGE_NAME, "direct", durable) 

    var no = QUEUE_CHANNEL.queueDeclare(QUEUE_NAME, durable,  false,false,null).getMessageCount 
    println("calling to main Q" + no) 
    QUEUE_CHANNEL.queueBind(QUEUE_NAME, EXCHANGE_NAME, QUEUE_ROUTING_KEY) 
    if (no > 0) { 
    println("calling to main Q" + no) 
    getQ 
    } 
} 
} 

    def getQ { 
    try { 
    println("gettng main q") 
    val consumer = new QueueingConsumer(QUEUE_CHANNEL) 
    QUEUE_CHANNEL basicConsume (QUEUE_NAME, false, consumer) 
    val delivery = consumer.nextDelivery 
    val msg = new java.io.ObjectInputStream(
    new java.io.ByteArrayInputStream(delivery.getBody)).readObject 
    var obj = msg.asInstanceOf[QueueObject] 
    QUEUE_CHANNEL.basicAck(delivery.getEnvelope().getDeliveryTag, false) 
    //println(obj.status) 
    if (obj != null) 
    add(obj) //add to particular queue 
} catch { 
    case e: InterruptedException => println(e) 
} 
} 

我的代碼進入無限循環,在這一行康恩= FACTORY.newConnection當它去那裏一次。

+1

你爲什麼包裝隊列作爲一個演員?這可能是將消息發送給其他參與者的線程嗎? – Thomas 2010-11-18 17:00:33

回答