IBM MQ Queue Monitor

来源：互联网发布：网络检测插件编辑：程序博客网时间：2024/05/21 19:25

Queue的访问方式有多种：

MQOO_BROWSE：浏览，可获取其中的message，但是获取后，原有message依然存在

MQOO_INQUIRE：可以调用getCurrentDepth()；其他状态会跑出异常

package com.iss.ibm.monitor;

import java.io.IOException;
import java.util.Date;

import com.ibm.mq.MQC;
import com.ibm.mq.MQException;
import com.ibm.mq.MQGetMessageOptions;
import com.ibm.mq.MQMessage;
import com.ibm.mq.MQQueue;
import com.ibm.mq.MQQueueManager;
import com.iss.ibm.monitor.model.QueueMonitorTotleModel;

public class QueueMonitor
{
   private       String               qName;
   private       MQQueueManager       queueManager;

   public QueueMonitor(String qName, MQQueueManager queueManager)
   {
       this.qName = qName;
       this.queueManager = queueManager;
   }
   /**
   * 获取浏览状态的queue
   * @author 王成(chengwangi@isoftstone.com)
   * @date 2012-11-16 上午10:20:11
   * @return
   * @throws MQException
   */
   @SuppressWarnings("deprecation")
   public MQQueue getBrowseQueueForQName() throws MQException
   {
       MQQueue        browseQueue = null;
        MQException.log = null; /* don't print out any exceptions */
       int openOptions = MQC.MQOO_BROWSE;
       browseQueue = queueManager.accessQueue(qName, openOptions, null, null, null);
       return browseQueue;
   }

   /**
   * 获取浏览状态的queue
   * @author 王成(chengwangi@isoftstone.com)
   * @date 2012-11-16 上午10:20:11
   * @return
   * @throws MQException
   */
   @SuppressWarnings("deprecation")
   public int getQueueDepthForQName() throws MQException
   {
       MQQueue        browseQueue = null;
        MQException.log = null; /* don't print out any exceptions */
        int openOptions = MQC.MQOO_INQUIRE;
       browseQueue = queueManager.accessQueue(qName, openOptions, null, null, null);
       try {
           return browseQueue.getCurrentDepth();
       } catch (MQException e1) {
//           e1.printStackTrace();
       }
       return 0;
   }

   /**
   * 获取queue的监控信息
   * @author 王成(chengwangi@isoftstone.com)
   * @date 2012-11-16 上午10:25:13
   * @param queue
   * @return
   * @throws IOException
   */
   @SuppressWarnings("deprecation")
   public QueueMonitorTotleModel getQueueMonitorTotleMondel(MQQueue queue) throws IOException
   {
       QueueMonitorTotleModel totle = new QueueMonitorTotleModel();
       totle.setQueueName(queue.name);
       MQGetMessageOptions gmo = new MQGetMessageOptions();

        gmo.options = gmo.options + MQC.MQGMO_BROWSE_NEXT;
        MQMessage myMessage = new MQMessage();
        int msgCount = 0;
        long date = 0l;

        while(true)
        {
           myMessage.clearMessage();
           myMessage.correlationId = MQC.MQCI_NONE;
           myMessage.messageId     = MQC.MQMI_NONE;
           try
           {
               queue.get(myMessage, gmo);
               long currentDate = myMessage.putDateTime.getTimeInMillis();
               if(date == 0 || currentDate <= date)
                   date = currentDate;
           } catch (MQException e)
           {
               break;
           }
           msgCount ++;
        }
        totle.setMsgCount(msgCount);
        totle.setEarliestMsgDate(new Date(date));
        return totle;
   }

   /**
   * 获取queue的监控信息
   * @author 王成(chengwangi@isoftstone.com)
   * @date 2012-11-16 上午10:25:13
   * @param queue
   * @return
   * @throws IOException
   */
   @SuppressWarnings("deprecation")
   public QueueMonitorTotleModel getQueueMonitorTotleMondelForEarliestQueue(MQQueue queue) throws IOException
   {
       QueueMonitorTotleModel totle = new QueueMonitorTotleModel();
       totle.setQueueName(queue.name);
       MQGetMessageOptions gmo = new MQGetMessageOptions();

        gmo.options = gmo.options + MQC.MQGMO_BROWSE_NEXT;
        MQMessage myMessage = new MQMessage();
        int msgCount = 0;
        long date = 0l;

       myMessage.clearMessage();
       myMessage.correlationId = MQC.MQCI_NONE;
       myMessage.messageId     = MQC.MQMI_NONE;
       try
       {
           queue.get(myMessage, gmo);
           long currentDate = myMessage.putDateTime.getTimeInMillis();
           date = currentDate;
       } catch (MQException e)
       {}

        totle.setMsgCount(msgCount);
        totle.setEarliestMsgDate(new Date(date));
        return totle;
   }
}