• ActiveMQ(四) 转


    package pfs.y2017.m11.mq.activemq.demo04;
    
    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 :连接工厂,JMS 用它创建连接
            ConnectionFactory connectionFactory;
            // Connection :JMS 客户端到JMS Provider 的连接
            Connection connection = null;
            // Session: 一个发送或接收消息的线程
            Session session;
            // Destination :消息的目的地;消息发送给谁.
            Destination destination;
            // 消费者,消息接收者
            MessageConsumer consumer;
    
            connectionFactory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER,
                    ActiveMQConnection.DEFAULT_PASSWORD, ActiveMQConnection.DEFAULT_BROKER_URL);
            try {
                // 构造从工厂得到连接对象
                connection = connectionFactory.createConnection();
                // 启动
                connection.start();
                // 获取操作连接
                session = connection.createSession(Boolean.FALSE, Session.AUTO_ACKNOWLEDGE);
                // 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置
                destination = session.createQueue("FirstQueue");
                consumer = session.createConsumer(destination);
                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;
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                try {
                    if (null != connection)
                        connection.close();
                } catch (Throwable ignore) {
                }
            }
        }
    }
    package pfs.y2017.m11.mq.activemq.demo04;
    
    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 :连接工厂,JMS 用它创建连接
            ConnectionFactory connectionFactory; // Connection :JMS 客户端到JMS
            // Provider 的连接
            Connection connection = null; // Session: 一个发送或接收消息的线程
            Session session; // Destination :消息的目的地;消息发送给谁.
            Destination destination; // MessageProducer:消息发送者
            MessageProducer producer; // TextMessage message;
    
            // 构造ConnectionFactory实例对象,此处采用ActiveMq的实现jar
            connectionFactory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER,
                    ActiveMQConnection.DEFAULT_PASSWORD, ActiveMQConnection.DEFAULT_BROKER_URL);
            try { // 构造从工厂得到连接对象
                connection = connectionFactory.createConnection();
                // 启动
                connection.start();
                // 获取操作连接
                session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
                // 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置
                destination = session.createQueue("FirstQueue");
                // 得到消息生成者【发送者】
                producer = session.createProducer(destination);
                // 设置不持久化,此处学习,实际根据项目决定
                producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
                // 构造消息,此处写死,项目就是参数,或者方法获取
                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 发送的消息" + i);
                // 发送消息到目的地方
    
                System.out.println("发送消息:" + "ActiveMq 发送的消息" + i);
                producer.send(message);
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/Damon-Luo/p/7804250.html
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