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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。
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