1 package pfs.y2017.m11.mq.activemq.demo01;
2
3 import javax.jms.Connection;
4 import javax.jms.DeliveryMode;
5 import javax.jms.Destination;
6 import javax.jms.ExceptionListener;
7 import javax.jms.JMSException;
8 import javax.jms.Message;
9 import javax.jms.MessageConsumer;
10 import javax.jms.MessageProducer;
11 import javax.jms.Session;
12 import javax.jms.TextMessage;
13
14 import org.apache.activemq.ActiveMQConnection;
15 import org.apache.activemq.ActiveMQConnectionFactory;
16
17 public class App {
18
19 // ActiveMq 的默认用户名
20 private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;
21 // ActiveMq 的默认登录密码
22 private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;
23 // ActiveMQ 的链接地址
24 private static final String BROKEN_URL = ActiveMQConnection.DEFAULT_BROKER_URL;
25
26
27 public static void main(String[] args) throws Exception {
28 thread(new HelloWorldProducer(), false);
29 thread(new HelloWorldProducer(), false);
30 thread(new HelloWorldConsumer(), false);
31 Thread.sleep(1000);
32 thread(new HelloWorldConsumer(), false);
33 thread(new HelloWorldProducer(), false);
34 thread(new HelloWorldConsumer(), false);
35 thread(new HelloWorldProducer(), false);
36 Thread.sleep(1000);
37 thread(new HelloWorldConsumer(), false);
38 thread(new HelloWorldProducer(), false);
39 thread(new HelloWorldConsumer(), false);
40 thread(new HelloWorldConsumer(), false);
41 thread(new HelloWorldProducer(), false);
42 thread(new HelloWorldProducer(), false);
43 Thread.sleep(1000);
44 thread(new HelloWorldProducer(), false);
45 thread(new HelloWorldConsumer(), false);
46 thread(new HelloWorldConsumer(), false);
47 thread(new HelloWorldProducer(), false);
48 thread(new HelloWorldConsumer(), false);
49 thread(new HelloWorldProducer(), false);
50 thread(new HelloWorldConsumer(), false);
51 thread(new HelloWorldProducer(), false);
52 thread(new HelloWorldConsumer(), false);
53 thread(new HelloWorldConsumer(), false);
54 thread(new HelloWorldProducer(), false);
55 }
56
57 public static void thread(Runnable runnable, boolean daemon) {
58 Thread brokerThread = new Thread(runnable);
59 brokerThread.setDaemon(daemon);
60 brokerThread.start();
61 }
62
63 public static class HelloWorldProducer implements Runnable {
64 public void run() {
65 try {
66 // Create a ConnectionFactory
67 //ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");
68 ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(USERNAME,PASSWORD,BROKEN_URL);
69
70 // Create a Connection
71 Connection connection = connectionFactory.createConnection();
72 connection.start();
73
74 // Create a Session
75 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
76
77 // Create the destination (Topic or Queue)
78 Destination destination = session.createQueue("TEST.FOO");
79
80 // Create a MessageProducer from the Session to the Topic or Queue
81 MessageProducer producer = session.createProducer(destination);
82 producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
83
84 // Create a messages
85 String text = "Hello world! From: " + Thread.currentThread().getName() + " : " + this.hashCode();
86 TextMessage message = session.createTextMessage(text);
87
88 // Tell the producer to send the message
89 System.out.println("Sent message: " + message.hashCode() + " : " + Thread.currentThread().getName());
90 producer.send(message);
91
92 // Clean up
93 session.close();
94 connection.close();
95 } catch (Exception e) {
96 System.out.println("Caught: " + e);
97 e.printStackTrace();
98 }
99 }
100 }
101
102 public static class HelloWorldConsumer implements Runnable, ExceptionListener {
103 public void run() {
104 try {
105
106 // Create a ConnectionFactory
107 //ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");
108 ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(USERNAME,PASSWORD,BROKEN_URL);
109
110 // Create a Connection
111 Connection connection = connectionFactory.createConnection();
112 connection.start();
113
114 connection.setExceptionListener(this);
115
116 // Create a Session
117 Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
118
119 // Create the destination (Topic or Queue)
120 Destination destination = session.createQueue("TEST.FOO");
121
122 // Create a MessageConsumer from the Session to the Topic or Queue
123 MessageConsumer consumer = session.createConsumer(destination);
124
125 // Wait for a message
126 Message message = consumer.receive(1000);
127
128 if (message instanceof TextMessage) {
129 TextMessage textMessage = (TextMessage) message;
130 String text = textMessage.getText();
131 System.out.println("Received: " + text);
132 } else {
133 System.out.println("Received: " + message);
134 }
135
136 consumer.close();
137 session.close();
138 connection.close();
139 } catch (Exception e) {
140 System.out.println("Caught: " + e);
141 e.printStackTrace();
142 }
143 }
144
145 public synchronized void onException(JMSException ex) {
146 System.out.println("JMS Exception occured. Shutting down client.");
147 }
148 }
149 }
