public void Consumer()
{
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("BroadcastConsumer");
consumer.setMessageModel(MessageModel.BROADCASTING);
consumer.subscribe("TopicBroadcast", "*");
consumer.registerMessageListener(new MessageListener());
consumer.start();
Console.WriteLine("Consumer started .....");
}
static void Main(string[] args)
{
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("BroadcastConsumerGroup");
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.setMessageModel(MessageModel.BROADCASTING);
consumer.subscribe("BroadTopicTest", "TagA");
consumer.registerMessageListener(new TestListener());
consumer.start();
Console.WriteLine("Broadcast Consumer Started.");
}
/// <summary>
/// 创建消费者
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
public static DefaultMQPushConsumer CreateDefaultMQPushConsumer <T>(string groupName) where T : MessageListenerConcurrently
{
var consumer = consumers.Where(o => o.getConsumerGroup() == groupName).FirstOrDefault();
if (consumer == null) //双if +lock
{
lock (consumer_lock)
{
consumer = consumers.Where(o => o.getConsumerGroup() == groupName).FirstOrDefault();
if (consumer == null)
{
consumer = new DefaultMQPushConsumer(groupName);
consumer.setNamesrvAddr(namesrvAddr);
consumer.setMessageModel(MessageModel.CLUSTERING);
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
consumer.registerMessageListener(Activator.CreateInstance <T>());
consumer.start();
consumers.Add(consumer);
}
}
}
return(consumer);
}