ActiveMQ 實現消息接收發送

一、接收者

package com.demo.initservice;

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 ：連接工廠，JMS 用它創建連接
        ConnectionFactory connectionFactory;
        // Connection ：JMS 客戶端到JMS Provider 的連接
        Connection connection = null;
        // Session： 一個發送或接收消息的線程
        Session session;
        // Destination ：消息的目的地;消息發送給誰.
        Destination destination;
        // 消費者，消息接收者
        MessageConsumer consumer;
        connectionFactory = new ActiveMQConnectionFactory(
                ActiveMQConnection.DEFAULT_USER,
                ActiveMQConnection.DEFAULT_PASSWORD,
                "tcp://localhost:61616");
        try {
            // 構造從工廠得到連接對象
            connection = connectionFactory.createConnection();
            // 啟動
            connection.start();
            // 獲取操作連接
            session = connection.createSession(Boolean.FALSE,
                    Session.AUTO_ACKNOWLEDGE);
            // 獲取session注意參數值xingbo.xu-queue是一個服務器的queue，須在在ActiveMq的console配置
            destination = session.createQueue("FirstQueue");
            consumer = session.createConsumer(destination);
            while (true) {
                //設置接收者接收消息的時間，為了便於測試，這里誰定為100s
                TextMessage message = (TextMessage) consumer.receive(100000);
                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) {
            }
        }
    }
}

二、發送者

package JmsTemplateDemo;

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

public class Sender {
    private static final int SEND_NUMBER = 5;

    public static void main(String[] args) {
        // ConnectionFactory ：連接工廠，JMS 用它創建連接
        ConnectionFactory connectionFactory;
        // Connection ：JMS 客戶端到JMS Provider 的連接
        Connection connection = null;
        // Session： 一個發送或接收消息的線程
        Session session;
        // Destination ：消息的目的地;消息發送給誰.
        Destination destination;
        // MessageProducer：消息發送者
        MessageProducer producer;
        // TextMessage message;
        // 構造ConnectionFactory實例對象，此處采用ActiveMq的實現jar
        connectionFactory = new ActiveMQConnectionFactory(
                ActiveMQConnection.DEFAULT_USER,
                ActiveMQConnection.DEFAULT_PASSWORD,
                "tcp://localhost:61616");
        try {
            // 構造從工廠得到連接對象
            connection = connectionFactory.createConnection();
            // 啟動
            connection.start();
            // 獲取操作連接
            session = connection.createSession(Boolean.TRUE,
                    Session.AUTO_ACKNOWLEDGE);
            // 獲取session注意參數值xingbo.xu-queue是一個服務器的queue，須在在ActiveMq的console配置
            destination = session.createQueue("FirstQueue");
            // 得到消息生成者【發送者】
            producer = session.createProducer(destination);
            // 設置不持久化，此處學習，實際根據項目決定
            producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
            // 構造消息，此處寫死，項目就是參數，或者方法獲取
            sendMessage(session, producer);
            session.commit();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (null != connection)
                    connection.close();
            } catch (Throwable ignore) {
            }
        }
    }

    public static void sendMessage(Session session, MessageProducer producer)
            throws Exception {
        for (int i = 1; i <= SEND_NUMBER; i++) {
            TextMessage message = session
                    .createTextMessage("ActiveMq 發送的消息" + i);
            // 發送消息到目的地方
            System.out.println("發送消息：" + "ActiveMq 發送的消息" + i);
            producer.send(message);
        }
    }
}