/// <summary>
/// 订阅主题
/// </summary>
/// <param name="config"></param>
/// <param name="ClientId"></param>
/// <param name="ac"></param>
public static void SubscriberTopic(ActiveMQConfigSection config, Action <MessageResult> ac = null)
{
if (!subTopic.ContainsKey(config.ClientId))
{
var factory = new ConnectionFactory(config.ToConnectString());
var conn = factory.CreateConnection();
conn.ClientId = config.ClientId;
conn.Start();
var session = conn.CreateSession();
var topic = new ActiveMQTopic(config.TopicName);
IMessageConsumer consumer = session.CreateDurableConsumer(topic, config.ClientId, null, false);
if (ac != null)
{
consumer.Listener += new MessageListener((m) =>
{
ac(new MessageResult()
{
Custom = config.ClientId,
IMessage = m
});
});
}
subTopic.Add(config.ClientId, conn);
}
}
/// <summary>
/// 添加一条消息到队列中 含有条件key=val
/// </summary>
/// <param name="config"></param>
/// <param name="textMsg"></param>
/// <param name="key"></param>
/// <param name="val"></param>
public static void SendMessage(ActiveMQConfigSection config, string textMsg, string key, string val)
{
if (!string.IsNullOrEmpty(textMsg))
{
var factory = new ConnectionFactory(config.ToConnectString());
//创建连接
using (var connection = factory.CreateConnection())
{
//创建一个会话
using (ISession session = connection.CreateSession())
{
//通过会话创建生产者，方法里面new出来的是MQ中的Queue
IDestination destination = new ActiveMQQueue(config.TopicName);
//创建生产者
IMessageProducer producer = session.CreateProducer(destination);
//创建一个文本消息
var message = producer.CreateTextMessage(textMsg);
//给这个对象赋实际的消息
//message.Text = textMsg;
//设置消息对象的属性，这个很重要哦，是Queue的过滤条件，也是P2P消息的唯一指定属性
message.Properties.SetString(key, val);
//生产者把消息发送出去，几个枚举参数MsgDeliveryMode是否长链，MsgPriority消息优先级别，发送最小单位，
//当然还有其他重载
//发送消息
producer.Send(message, MsgDeliveryMode.NonPersistent, MsgPriority.Normal, TimeSpan.MinValue);
}
}
}
}
/// <summary>
/// ActiveMQ/名称 访问
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static ActiveMQConfigSection GetActiveMQConfig(string name)
{
ActiveMQConfigSection section = null;
try
{
section = (ActiveMQConfigSection)ConfigurationManager.GetSection(name);
}
catch (Exception ex)
{
LogBuilder.NLogger.Error(ex.Message + " Section " + name + " is error.");
//throw new ConfigurationErrorsException("Section " + name + " is error.");
}
if (section == null)
{
LogBuilder.NLogger.Error("Section " + name + " is not found.");
//throw new ConfigurationErrorsException("Section " + name + " is not found.");
}
return(section);
}
/// <summary>
/// 发送主题文本消息
/// </summary>
/// <param name="config"></param>
/// <param name="textMsg"></param>
public static void SendTopicMessage(ActiveMQConfigSection config, string textMsg)
{
if (!string.IsNullOrEmpty(textMsg))
{
var factory = new ConnectionFactory(config.ToConnectString());
//创建连接
using (var _connection = factory.CreateConnection())
{
using (ISession session = _connection.CreateSession())
{
//创建一个主题
IDestination destination = new ActiveMQTopic(config.TopicName);
//创建生产者
IMessageProducer producer = session.CreateProducer(destination);
//创建一个文本消息
var _message = producer.CreateTextMessage(textMsg);
//发送消息
producer.Send(_message, MsgDeliveryMode.NonPersistent, MsgPriority.Normal, TimeSpan.MinValue);
}
}
}
}
/// <summary>
/// 订阅 或者读取指定队列的消息 含有过滤条件 filter=key+val
/// </summary>
/// <param name="config"></param>
/// <param name="clientId"></param>
/// <param name="filter"></param>
/// <param name="ac"></param>
public static void ListenMessage(ActiveMQConfigSection config, string filter, Action <MessageResult> ac = null)
{
var factory = new ConnectionFactory(config.ToConnectString());
var conn = factory.CreateConnection();
conn.ClientId = config.ClientId;
conn.Start();
var session = conn.CreateSession();
var queue = new ActiveMQQueue(config.TopicName);
//通过会话创建一个消费者，这里就是Queue这种会话类型的监听参数设置
IMessageConsumer consumer = session.CreateConsumer(queue, filter);
if (ac != null)
{
consumer.Listener += new MessageListener((m) =>
{
ac(new MessageResult()
{
Custom = config.ClientId,
IMessage = m
});
});
}
}
