JMS的常用方法

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import javax.jms.TextMessage;

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import com.ailk.biapp.ci.localization.cntv.service.IUserSynchronizationService;
import com.asiainfo.biframe.utils.config.Configure;
import com.asiainfo.biframe.utils.spring.SystemServiceLocator;

public class JmsTopicReceiver {
    
    public void topicListener() {

        // ConnectionFactory :连接工厂,JMS 用它创建连接
        ConnectionFactory connectionFactory;
        // Connection :JMS 客户端到JMS Provider 的连接
        Connection connection = null;
        // Session: 一个发送或接收消息的线程
        Session session;
        // Destination :消息的目的地;消息发送给谁.
        Destination destination;
        // 消费者,消息接收者
        MessageConsumer consumer;
        
        String activeUrl = Configure.getInstance().getProperty("ACTIVE_URL");
        String topic = Configure.getInstance().getProperty("TOPIC_NAME");
        
        connectionFactory = new ActiveMQConnectionFactory(
                ActiveMQConnection.DEFAULT_USER,
                ActiveMQConnection.DEFAULT_PASSWORD, activeUrl);
        try {
            
            // 构造从工厂得到连接对象
            connection = connectionFactory.createConnection();
            // 启动
            connection.start();
            // 获取操作连接
            session = connection.createSession(Boolean.FALSE,
                    Session.AUTO_ACKNOWLEDGE);
            //test-queue跟sender的保持一致,一个创建一个来接收
            destination = session.createTopic(topic);
            consumer = session.createConsumer(destination);
            consumer.setMessageListener(new MessageListener() {
                public void onMessage(Message message) {
                    try {
                        TextMessage txtMsg = (TextMessage)message;
                        String msg = txtMsg.getText();
                        //收到topic的时候增量同步用户
                        IUserSynchronizationService service = 
                                (IUserSynchronizationService)SystemServiceLocator.getInstance().getService("userSynchronizationServiceImpl");
                        service.startIncrementalSync(msg);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }

                }
            });

       } catch (Exception e) {
            e.printStackTrace();
        }

    }
    
}

 

posted on 2015-11-16 23:54  松伯  阅读(550)  评论(0编辑  收藏  举报