/// <summary>
/// 创建生产者
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
public static DefaultMQProducer CreateDefaultMQProducer(string groupName, int queueCount = 6)
{
var producer = producers.Where(o => o.getProducerGroup() == groupName).FirstOrDefault();
if (producer == null) //双if +lock
{
lock (producer_lock)
{
producer = producers.Where(o => o.getProducerGroup() == groupName).FirstOrDefault();
if (producer == null)
{
producer = new DefaultMQProducer(groupName);
producer.setNamesrvAddr(namesrvAddr);
producer.setRetryTimesWhenSendFailed(3);
producer.setDefaultTopicQueueNums(queueCount);
producer.start();
producers.Add(producer);
}
}
}
return(producer);
}