ActiveMQ 实现消息接收发送
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ActiveMQ 实现消息接收发送
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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,為了便于測試,這里誰定為100sTextMessage 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jarconnectionFactory = 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);}} }?
轉載于:https://www.cnblogs.com/tianzhongshan/p/6674235.html
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