Springboot得到RabbitMQ队列消息的数量

Posted 2021-10-07 正怒月神

转载：Springboot得到RabbitMQ队列消息的数量_坐在西半球上的博客-CSDN博客

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.amqp.rabbit.core.ChannelCallback;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;


@RunWith(SpringRunner.class)
@SpringBootTest
public class SpringbootTest {

	@Autowired
	RabbitTemplate rabbitTemplate;
 
    /**
     * 获取对应队列的数量;
     *
     * @param queue
     * @return
     */
    @Test
    public void getMessageCount() {
    	
    	String queue = "direct.screenshot.queue";
 
        AMQP.Queue.DeclareOk declareOk = rabbitTemplate.execute(new ChannelCallback<AMQP.Queue.DeclareOk>() {
            public AMQP.Queue.DeclareOk doInRabbit(Channel channel) throws Exception {
                return channel.queueDeclarePassive(queue);
            }

	
        });
 
         System.out.println("-------------");
         System.out.println("-------------");
         System.out.println("-------------");
         System.out.println("-------------");
         System.out.println(declareOk.getMessageCount());
    }
	
}