队列生产者2(消费者回复消息):
package mq; import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.DeliveryMode; import javax.jms.MessageProducer; import javax.jms.Queue; import javax.jms.Session; import javax.jms.TextMessage; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnectionFactory; /** * Queue(点对点)方式 生存者Producer * @author donald * */ public class QueueProducer2 { private static String user = ActiveMQConnection.DEFAULT_USER; private static String password =ActiveMQConnection.DEFAULT_PASSWORD; private static String url = "tcp://192.168.126.128:61616"; private static String qname = "testQueue"; private static String replyQueueName = "replyQueue"; static { } public static void main(String[] args)throws Exception { // ConnectionFactory :连接工厂,JMS 用它创建连接 ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user,password,url); // Connection :JMS 客户端到JMS Provider 的连接 Connection connection = connectionFactory.createConnection(); // Connection 启动 connection.start(); System.out.println("Connection is start..."); // Session: 一个发送或接收消息的线程 Session session = connection.createSession(Boolean.TRUE,Session.AUTO_ACKNOWLEDGE); // Queue :消息的目的地;消息发送给谁. Queue destination = session.createQueue(qname); //消费者接受消息,回复消息到replyQueue队列 Queue replyQueue = session.createQueue(replyQueueName); // MessageProducer:消息发送者 MessageProducer producer = session.createProducer(destination); // 设置持久化,此处学习,实际根据项目决定 producer.setDeliveryMode(DeliveryMode.PERSISTENT); // 构造消息,此处写死,项目就是参数,或者方法获取 sendMessage(session, producer,replyQueue); session.commit(); connection.close(); System.out.println("send text ok."); } public static void sendMessage(Session session, MessageProducer producer,Queue replyQueue) throws Exception { for (int i = 1; i <= 5; i++) {//有限制,达到1000就不行 TextMessage message = session.createTextMessage("向ActiveMq发送的Queue消息" + i); message.setJMSReplyTo(replyQueue); // 发送消息到目的地方 System.out.println("发送消息:" + "ActiveMq 发送的Queue消息" + i); producer.send(message); } } }
队列消费者3消费消息,并回复消息:
package mq; import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageConsumer; import javax.jms.MessageListener; import javax.jms.MessageProducer; import javax.jms.Queue; import javax.jms.Session; import javax.jms.TextMessage; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnectionFactory; /** * Queue(点对点)方式 消费这Consumer * @author donald * */ public class QueueConsumer3 { private static String user = ActiveMQConnection.DEFAULT_USER; private static String password =ActiveMQConnection.DEFAULT_PASSWORD; private static String url = "tcp://192.168.126.128:61616"; private static String qname = "testQueue"; public static void main(String[] args) throws Exception{ // ConnectionFactory :连接工厂,JMS 用它创建连接 ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user,password,url); // Connection :JMS 客户端到JMS Provider 的连接 Connection connection = connectionFactory.createConnection(); connection.start(); // Session: 一个发送或接收消息的线程 final Session session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE); // Destination :消息的目的地;消息发送给谁. Queue destination=session.createQueue(qname); // 消费者,消息接收者 MessageConsumer consumer = session.createConsumer(destination); consumer.setMessageListener(new MessageListener(){//有事务限制 @Override public void onMessage(Message message) { try { TextMessage textMessage=(TextMessage)message; System.out.println("3消费消息:"+textMessage.getText()); MessageProducer producer = session.createProducer(message.getJMSReplyTo()); TextMessage replyMessage = session.createTextMessage(textMessage.getText()); producer.send(replyMessage); } catch (JMSException e1) { e1.printStackTrace(); } try { session.commit(); } catch (JMSException e) { e.printStackTrace(); } } }); /* 另外一种接受方式 * 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(100000); if (null != message) { System.out.println("收到消息" + message.getText()); } else { break; } }*/ } }
消费者4,消费消费者回复消息
package mq; import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageConsumer; import javax.jms.MessageListener; import javax.jms.MessageProducer; import javax.jms.Queue; import javax.jms.Session; import javax.jms.TextMessage; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnectionFactory; /** * Queue(点对点)方式 消费这Consumer * @author donald * */ public class QueueConsumer4 { private static String user = ActiveMQConnection.DEFAULT_USER; private static String password =ActiveMQConnection.DEFAULT_PASSWORD; private static String url = "tcp://192.168.126.128:61616"; private static String qname = "replyQueue"; public static void main(String[] args) throws Exception{ // ConnectionFactory :连接工厂,JMS 用它创建连接 ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user,password,url); // Connection :JMS 客户端到JMS Provider 的连接 Connection connection = connectionFactory.createConnection(); connection.start(); // Session: 一个发送或接收消息的线程 final Session session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE); // Destination :消息的目的地;消息发送给谁. Queue destination=session.createQueue(qname); // 消费者,消息接收者 MessageConsumer consumer = session.createConsumer(destination); consumer.setMessageListener(new MessageListener(){//有事务限制 @Override public void onMessage(Message message) { try { TextMessage textMessage=(TextMessage)message; System.out.println("4消费者回复消息:"+textMessage.getText()); } catch (JMSException e1) { e1.printStackTrace(); } try { session.commit(); } catch (JMSException e) { e.printStackTrace(); } } }); /* 另外一种接受方式 * 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(100000); if (null != message) { System.out.println("收到消息" + message.getText()); } else { break; } }*/ } }
开启消费则3,4监听,再启动生产者2;
控制台输出
生产者2:
Connection is start...
发送消息:ActiveMq 发送的Queue消息1
发送消息:ActiveMq 发送的Queue消息2
发送消息:ActiveMq 发送的Queue消息3
发送消息:ActiveMq 发送的Queue消息4
发送消息:ActiveMq 发送的Queue消息5
send text ok.
消费者3:
3消费消息:向ActiveMq发送的Queue消息1
3消费消息:向ActiveMq发送的Queue消息2
3消费消息:向ActiveMq发送的Queue消息3
3消费消息:向ActiveMq发送的Queue消息4
3消费消息:向ActiveMq发送的Queue消息5
消费者4:
4消费者回复消息:向ActiveMq发送的Queue消息1
4消费者回复消息:向ActiveMq发送的Queue消息2
4消费者回复消息:向ActiveMq发送的Queue消息3
4消费者回复消息:向ActiveMq发送的Queue消息4
4消费者回复消息:向ActiveMq发送的Queue消息5