JMS Topic

 运行/apache-activemq-5.4.2/binactivemq.bat
 http://localhost:8161/admin

package com.rx; 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 CopyOfReceiveMsg { 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, "tcp://rollin:61616"); 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mytopic是一个服务器的topic，须在在ActiveMq的console配置 destination = session.createTopic("mytopic"); consumer = session.createConsumer(destination); while (true) { TextMessage message = (TextMessage) consumer.receive(); 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 com.rx; 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 CopyOfCopyOfReceiveMsg { 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, "tcp://rollin:61616"); 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mytopic是一个服务器的topic，须在在ActiveMq的console配置 destination = session.createTopic("mytopic"); consumer = session.createConsumer(destination); while (true) { TextMessage message = (TextMessage) consumer.receive(); 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 com.rx; 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 CopyOfSendMsg { 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, "tcp://rollin:61616"); 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mytopic是一个服务器的topic，须在在ActiveMq的console配置 destination = session.createTopic("mytopic"); // 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("test ActiveMq adf" + i); // 发送消息到目的地方 System.out.println("发送消息：" + "学习ActiveMq 发送的消息" + i); producer.send(message); } } }