本地安裝好active mq ,開啟服務。
附件是 mq消息隊列 接收請求,并将請求處理完成放到隊列的示例。
單獨使用MQ,示例如下:
package demo.activemq;
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 :連接配接工廠,JMS 用它建立連接配接
ConnectionFactory connectionFactory;
// Connection :JMS 用戶端到JMS Provider 的連接配接
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執行個體對象,此處采用ActiveMq的實作jar
connectionFactory = new ActiveMQConnectionFactory(
ActiveMQConnection.DEFAULT_USER,
ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
try {
// 構造從工廠得到連接配接對象
connection = connectionFactory.createConnection();
// 啟動
connection.start();
// 擷取操作連接配接
session = connection.createSession(Boolean.TRUE,
Session.AUTO_ACKNOWLEDGE);
// 擷取session注意參數值xingbo.xu-queue是一個伺服器的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);
// 設定不持久化,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,或者方法擷取
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);
}
}
}
package demo.activemq;
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 :連接配接工廠,JMS 用它建立連接配接
ConnectionFactory connectionFactory;
// Connection :JMS 用戶端到JMS Provider 的連接配接
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配接對象
connection = connectionFactory.createConnection();
// 啟動
connection.start();
// 擷取操作連接配接
session = connection.createSession(Boolean.FALSE,
Session.AUTO_ACKNOWLEDGE);
// 擷取session注意參數值xingbo.xu-queue是一個伺服器的queue,須在在ActiveMq的console配置
destination = session.createQueue("FirstQueue");
consumer = session.createConsumer(destination);
while (true) {
// 設定接收者接收消息的時間,為了便于測試,這裡誰定為100s
TextMessage message = (TextMessage) consumer.receive(1000);
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) {
}
}
}
}