Springboot得到RabbitMQ队列消息的数量

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());
    }
    
}