java通过ActiveMQ实现JMS的消息队列实例
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-core</artifactId>
<version>5.7.0</version>
</dependency>
package jms;
import org.apache.activemq.ActiveMQConnectionFactory;
import javax.jms.*;
/**
下载安装http://apache.fayea.com/activemq/
启动命令：bin\win64\activemq.bat
http://www.cnblogs.com/phoebus0501/archive/2011/02/24/1964228.html
*/
public class MessageReceiver implements Runnable {
private String url;
private String user;
private String password;
private final String QUEUE;
public MessageReceiver(String queue, String url, String user, String password) {
this.url = url;
this.user = user;
this.password = password;
this.QUEUE = queue;
}
@Override
public void run() {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
user, password, url);
Session session = null;
Destination receiveQueue;
try {
Connection connection = connectionFactory.createConnection();
session = connection
.createSession(true, Session.SESSION_TRANSACTED);
receiveQueue = session.createQueue(QUEUE);
MessageConsumer consumer = session.createConsumer(receiveQueue);
connection.start();
System.out.println(Thread.currentThread().getName()+" start");
while (true) {
Message message = consumer.receive();
if (message instanceof TextMessage) {
TextMessage receiveMessage = (TextMessage) message;
System.out.println("我是Receiver,收到消息如下: \r\n"
+ receiveMessage.getText());
} else {
session.commit();
break;
}
}
connection.close();
System.out.println(Thread.currentThread().getName()+" close");
} catch (JMSException e) {
e.printStackTrace();
}
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getUser() {
return user;
}
public void setUser(String user) {
this.user = user;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
package jms;
import org.apache.activemq.ActiveMQConnectionFactory;
import javax.jms.*;
import java.util.Date;
/**
* 消息发送器
* @author xiaochuanyu
*
*/
public class MessageSender implements Runnable {
private String url;
private String user;
private String password;
private final String QUEUE;
public MessageSender(String queue, String url, String user, String password) {
this.url = url;
this.user = user;
this.password = password;
this.QUEUE = queue;
}
@Override
public void run() {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
user, password, url);
Session session = null;
Destination sendQueue;
Connection connection = null;
int messageCount = 0;
try {
connection = connectionFactory.createConnection();
connection.start();
System.out.println(Thread.currentThread().getName()+" start");
while (true) {
session = connection.createSession(true,
Session.SESSION_TRANSACTED);
sendQueue = session.createQueue(QUEUE);
MessageProducer sender = session.createProducer(sendQueue);
TextMessage outMessage = session.createTextMessage();
outMessage.setText(new Date() + "现在发送是第" + messageCount + "条消息");
sender.send(outMessage);
session.commit();
sender.close();
if ((++messageCount) == 10) {
// 发够十条消息退出
break;
}
Thread.sleep(1000);
}
connection.close();
System.out.println(Thread.currentThread().getName()+" close");
} catch (JMSException e) {
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getUser() {
return user;
}
public void setUser(String user) {
this.user = user;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
package jms;
/**
java通过ActiveMQ实现JMS的消息队列实例
下载安装http://apache.fayea.com/activemq/
启动命令：bin\win64\activemq.bat
http://www.cnblogs.com/phoebus0501/archive/2011/02/24/1964228.html
*/
public class MyActiveMQDemo {
//http://blog.sina.com.cn/s/blog_a459dcf501017oml.html需要安装ActiveMQ 然后启动bin\win64\activemq.bat
public static void main(String[] args) {
String url = "tcp://localhost:61616";
String user = "xxx";
String password = "xxx";
String query = "MyQueue";
new Thread(new MessageReceiver(query,url,user,password), "Name-Receiver").start();
new Thread(new MessageSender(query,url,user,password), "Name-Sender").start();
}
}
官网例子：
import org.apache.activemq.ActiveMQConnectionFactory;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
/**
* Hello world!
*/
public class App {
public static void main(String[] args) throws Exception {
thread(new HelloWorldProducer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
Thread.sleep(1000);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
Thread.sleep(1000);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldProducer(), false);
Thread.sleep(1000);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldConsumer(), false);
thread(new HelloWorldProducer(), false);
}
public static void thread(Runnable runnable, boolean daemon) {
Thread brokerThread = new Thread(runnable);
brokerThread.setDaemon(daemon);
brokerThread.start();
}
public static class HelloWorldProducer implements Runnable {
public void run() {
try {
// Create a ConnectionFactory
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");
// Create a Connection
Connection connection = connectionFactory.createConnection();
connection.start();
// Create a Session
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
// Create the destination (Topic or Queue)
Destination destination = session.createQueue("TEST.FOO");
// Create a MessageProducer from the Session to the Topic or Queue
MessageProducer producer = session.createProducer(destination);
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
// Create a messages
String text = "Hello world! From: " + Thread.currentThread().getName() + " : " + this.hashCode();
TextMessage message = session.createTextMessage(text);
// Tell the producer to send the message
System.out.println("Sent message: "+ message.hashCode() + " : " + Thread.currentThread().getName());
producer.send(message);
// Clean up
session.close();
connection.close();
}
catch (Exception e) {
System.out.println("Caught: " + e);
e.printStackTrace();
}
}
}
public static class HelloWorldConsumer implements Runnable, ExceptionListener {
public void run() {
try {
// Create a ConnectionFactory
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost");
// Create a Connection
Connection connection = connectionFactory.createConnection();
connection.start();
connection.setExceptionListener(this);
// Create a Session
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
// Create the destination (Topic or Queue)
Destination destination = session.createQueue("TEST.FOO");
// Create a MessageConsumer from the Session to the Topic or Queue
MessageConsumer consumer = session.createConsumer(destination);
// Wait for a message
Message message = consumer.receive(1000);
if (message instanceof TextMessage) {
TextMessage textMessage = (TextMessage) message;
String text = textMessage.getText();
System.out.println("Received: " + text);
} else {
System.out.println("Received: " + message);
}
consumer.close();
session.close();
connection.close();
} catch (Exception e) {
System.out.println("Caught: " + e);
e.printStackTrace();
}
}
public synchronized void onException(JMSException ex) {
System.out.println("JMS Exception occured. Shutting down client.");
}
}
}