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我想从RabbitMq的队列中获取消息,但只有第一次给我的消息数,然后它不给我任何count.I使用scala语言,并使用它演员。任何帮助将不胜感激。RabbitMQ只有一次从队列中获取消息计数
代码如下
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)
}
}
我的代码进入无限循环,在这一行康恩= FACTORY.newConnection当它去那里一次。
你为什么包装队列作为一个演员?这可能是将消息发送给其他参与者的线程吗? – Thomas 2010-11-18 17:00:33