Java ActiveMQ队列模式案例

 1 package test;
 2 
 3 import javax.jms.Connection;
 4 import javax.jms.ConnectionFactory;
 5 import javax.jms.DeliveryMode;
 6 import javax.jms.Destination;
 7 import javax.jms.MessageProducer;
 8 import javax.jms.Session;
 9 import javax.jms.TextMessage;
10 import org.apache.activemq.ActiveMQConnection;
11 import org.apache.activemq.ActiveMQConnectionFactory;
12 
13 public class Sender {
14     private static final int SEND_NUMBER = 5;
15 
16     public static void main(String[] args) {
17 
18         ConnectionFactory connectionFactory; // ConnectionFactory--连接工厂，JMS用它创建连接
19         // Provider 的连接
20         Connection connection = null; // Connection ：JMS 客户端到JMS
21         Session session; // Session： 一个发送或接收消息的线程
22         Destination destination; // Destination ：消息的目的地;消息发送给谁.
23         MessageProducer producer; // MessageProducer：消息发送者
24         // 构造ConnectionFactory实例对象，此处采用ActiveMq的实现jar
25         connectionFactory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER,
26                 ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
27         try { // 构造从工厂得到连接对象
28             connection = connectionFactory.createConnection();
29             // 启动
30             connection.start();
31             // 获取操作连接
32             session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
33             // 获取session注意参数值xingbo.xu-queue是一个服务器的queue，须在在ActiveMq的console配置
34             destination = session.createQueue("FirstQueue");
35             // 得到消息生成者【发送者】
36             producer = session.createProducer(destination);
37             // 设置不持久化，此处学习，实际根据项目决定
38             producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
39             // 构造消息，此处写死，项目就是参数，或者方法获取
40             sendMessage(session, producer);
41             session.commit();
42         } catch (Exception e) {
43             e.printStackTrace();
44         } finally {
45             try {
46                 if (null != connection)
47                     connection.close();
48             } catch (Throwable ignore) {
49             }
50         }
51     }
52 
53     public static void sendMessage(Session session, MessageProducer producer) throws Exception {
54         for (int i = 1; i <= SEND_NUMBER; i++) {
55             TextMessage message = session.createTextMessage("ActiveMq 发送的消息" + i);
56             // 发送消息到目的地方
57 
58             System.out.println("发送消息：" + "ActiveMq 发送的消息" + i);
59             producer.send(message);
60         }
61     }
62 }

package test;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;

public class Receiver {
    public static void main(String[] args) {
        // 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;
        connectionFactory = new ActiveMQConnectionFactory(
                ActiveMQConnection.DEFAULT_USER,
                ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
        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);
            // 获取session注意参数值xingbo.xu-queue是一个服务器的queue，须在在ActiveMq的console配置
            destination = session.createQueue("FirstQueue");
            consumer = session.createConsumer(destination);
            while (true) {
                // 设置接收者接收消息的时间，为了便于测试，这里谁定为100s
                TextMessage message = (TextMessage) consumer.receive(500000);
                if (null != message) {
                    System.out.println("收到消息" + message.getText());
                } else {
                    break;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (null != connection)
                    connection.close();
            } catch (Throwable ignore) {
            }
        }
    }
}