Websphere 7 MQueue:如何从Java访问队列深度？

   <groupId>com.ibm.mq</groupId>
   <artifactId>com.ibm.mq.allclient</artifactId>
   <version>9.2.0.0</version>
</dependency>

import javax.jms.*;
import com.ibm.msg.client.jms.JmsConnectionFactory;
import com.ibm.msg.client.jms.JmsFactoryFactory;
import com.ibm.msg.client.wmq.WMQConstants;

public class MQQueueDepth {
    private static final String HOST = "localhost"; // WebSphere MQ服务器的主机名或IP地址
    private static final int PORT = 1414; // WebSphere MQ服务器的端口号
    private static final String CHANNEL = "CHANNEL_NAME"; // 通道名称
    private static final String QUEUE_MANAGER = "QUEUE_MANAGER_NAME"; // 队列管理器名称
    private static final String QUEUE_NAME = "QUEUE_NAME"; // 队列名称

    public static void main(String[] args) {
        try {
            // 设置WebSphere MQ连接参数
            JmsFactoryFactory ff = JmsFactoryFactory.getInstance(WMQConstants.WMQ_PROVIDER);
            JmsConnectionFactory cf = ff.createConnectionFactory();

            // 设置连接参数
            cf.setStringProperty(WMQConstants.WMQ_HOST_NAME, HOST);
            cf.setIntProperty(WMQConstants.WMQ_PORT, PORT);
            cf.setStringProperty(WMQConstants.WMQ_CHANNEL, CHANNEL);
            cf.setIntProperty(WMQConstants.WMQ_CONNECTION_MODE, WMQConstants.WMQ_CM_CLIENT);
            cf.setStringProperty(WMQConstants.WMQ_QUEUE_MANAGER, QUEUE_MANAGER);

            // 创建连接和会话
            Connection connection = cf.createConnection();
            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

            // 创建队列对象
            Destination destination = session.createQueue(QUEUE_NAME);

            // 创建消息接收者
            MessageConsumer consumer = session.createConsumer(destination);

            // 连接WebSphere MQ服务器
            connection.start();

            // 接收消息
            Message message = consumer.receive(1000);

            if (message != null) {
                System.out.println("队列深度: " + message.getIntProperty("JMS_IBM_MQMD_MsgSeqNumber"));
            } else {
                System.out.println("队列为空");
            }

            // 关闭连接
            consumer.close();
            session.close();
            connection.close();
        } catch (JMSException e) {
            e.printStackTrace();
        }
    }
}