import com.rabbitmq.client.*;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* 验证通过信道 Channel 的 basicPublish() 方法发送消息，将队列指定为超时队列
* @author Administrator
* @date 2022年2月17日13:59:29
*/
public class PushMessage6 {
private static final String EXCHANGE_NAME = "exchange_" +
PushMessage6.class.getSimpleName();
/**
* 发送消息
*/
private void sender() {
Connection connection = null;
try {
// 创建连接
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("127.0.0.1");
factory.setPort(5672);
connection = factory.newConnection();
// 创建通道
Channel channel = connection.createChannel();
channel.exchangeDeclare(EXCHANGE_NAME, "topic");
// 发送消息
System.out.println("[Send] Sending Message...");
for (int i = 0; i < 20; i++) {
String msg = "hello wrold.........." + i;
System.out.println("[Send] Message = " + msg);
channel.basicPublish(EXCHANGE_NAME, "www.hxstrive.com",
null, msg.getBytes());
Thread.sleep(1000);
}
} catch(Exception e) {
e.printStackTrace();
} finally {
if ( connection != null ) {
try {
connection.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 消费消息
*/
private void consumer() {
try {
// 创建连接
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("127.0.0.1");
factory.setPort(5672);
Connection connection = factory.newConnection();
// 创建通道
final Channel channel = connection.createChannel();
channel.exchangeDeclare(EXCHANGE_NAME, "topic");
// 声明队列
// 设置队列上所有的消息的有效期,单位为毫秒
Map<String, Object> arguments = new HashMap<String , Object>();
// 5秒钟
arguments.put("x-message-ttl", 5000);
String queueName = "queue-" + getClass().getSimpleName();
channel.queueDeclare(queueName, false, false,
false, arguments);
// 绑定exchange与queue
channel.queueBind(queueName, EXCHANGE_NAME, "*.hxstrive.com");
System.out.println("[Receive] Waiting Message...");
// 不消费消息队列中的消息，消息将在到期后自动被删除
} catch(Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
PushMessage6 demo = new PushMessage6();
demo.consumer();
demo.sender();
}
}
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