使用PMI监控WAS的简单小例子

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<DIV>本例子只是简单展示通过AdminClinet以及PerfMBean来获取WSStats，至于如何包装和利用所取得的性能监控数据需要进一步编程。<FONT size=2><BR>import java.util.Iterator;<BR>import java.util.Set;</DIV>
<DIV>import javax.management.ObjectName;</DIV>
<DIV>import com.ibm.websphere.management.AdminClient;<BR>import com.ibm.websphere.management.AdminClientFactory;<BR>import com.ibm.websphere.management.exception.AdminException;<BR>import com.ibm.websphere.pmi.stat.WSJVMStats;<BR>import com.ibm.websphere.pmi.stat.WSRangeStatistic;<BR>import com.ibm.websphere.pmi.stat.WSStats;</DIV>
<DIV>public class AdminClientTest {</DIV>
<DIV> public static void main(String[] args) {</DIV>
<DIV>  // # 1 create an instance of AdminClient<BR>  AdminClient ac = null;<BR>  java.util.Properties props = new java.util.Properties();<BR>  props.put(AdminClient.CONNECTOR_TYPE, AdminClient.CONNECTOR_TYPE_SOAP);<BR>  props.put(AdminClient.CONNECTOR_HOST, "localhost");<BR>  props.put(AdminClient.CONNECTOR_PORT, "8878");<BR>  try {<BR>   ac = AdminClientFactory.createAdminClient(props);<BR>   System.out.println("AdminClient created successfully!"<BR>     + ac.toString());</DIV>
<DIV>   // # 2 get the ObjectName of the JVM MBean<BR>   System.out.println("to get the JVM ObjectName:");<BR>   StringBuffer oNameQuery = new StringBuffer(41);<BR>   oNameQuery.append("WebSphere:*");<BR>   oNameQuery.append(",type=").append("JVM");<BR>   oNameQuery.append(",node=").append("hx5032lapNode01");<BR>   oNameQuery.append(",process=").append("server1");</DIV>
<DIV>   ObjectName jvmMBean = new ObjectName(oNameQuery.toString());<BR>   Set oSet = ac.queryNames(jvmMBean, null);<BR>   Iterator i = oSet.iterator();</DIV>
<DIV>   while (i.hasNext()) {<BR>    jvmMBean = (ObjectName)i.next();<BR>    System.out.println(jvmMBean.toString());<BR>   }</DIV>
<DIV>   // # 3 Get the PerfMBean ObjectName for the application server from which you want to get PMI data<BR>   System.out.println("to get PerfMBean ObjectName:");<BR>   StringBuffer oNameQuery2 = new StringBuffer(41);<BR>   oNameQuery2.append("WebSphere:*");<BR>   oNameQuery2.append(",type=").append("Perf");<BR>   oNameQuery2.append(",node=").append("hx5032lapNode01");<BR>   oNameQuery2.append(",process=").append("server1");</DIV>
<DIV>   ObjectName perfOName = new ObjectName(oNameQuery2.toString());<BR>   Set oSet2 = ac.queryNames(perfOName, null);<BR>   Iterator i2 = oSet2.iterator();</DIV>
<DIV>   while (i2.hasNext()) {<BR>    perfOName = (ObjectName) i2.next();<BR>    System.out.println(perfOName.toString());<BR>   }</DIV>
<DIV>/*   // # 4 setStatisticSet: Enable PMI data using the pre-defined statistic sets.<BR>   Object[] params = new Object[] { com.ibm.websphere.pmi.stat.StatConstants.STATISTIC_SET_EXTENDED };<BR>   String[] signature = new String[] { "java.lang.String" };</DIV>
<DIV>   //ac.invoke(perfOName, "setStatisticSet", params, signature);</DIV>
<DIV>   // getStatisticSet: Returns the current statistic set.<BR>   String setname = (String) ac.invoke(perfOName, "getStatisticSet",<BR>     null, null);<BR>   System.out.println(setname);<BR>   */<BR>      // invoke getStatsObject on perfMBean<BR>      String[] signature = new String[] {"javax.management.ObjectName","java.lang.Boolean"};<BR>      Object[] params = new Object[] {jvmMBean, new Boolean(false)};<BR>      WSStats jvmStats = (WSStats) ac.invoke(perfOName, "getStatsObject", params, signature);</DIV>
<DIV>      // get JVM Heap size.<BR>      // WSJVMStats interface defines all the statistics that are available from JVM<BR>      WSRangeStatistic jvmHeapStatistic = (WSRangeStatistic) jvmStats.getStatistic (WSJVMStats.HeapSize);<BR>      long heapSize = jvmHeapStatistic.getCurrent();<BR>      System.out.println ("heapSize: " + heapSize);<BR>      // print all statistics<BR>      System.out.println (jvmStats.toString());</DIV>
<DIV>  } catch (Exception ex) {<BR>   new AdminException(ex).printStackTrace();<BR>   System.out.println("getAdminClient: exception");<BR>  }</DIV>
<DIV> }</DIV>
<DIV>}<BR></FONT><FONT size=2></FONT></DIV>
<DIV><FONT size=2>找到一个官方的比较完整的例子：</FONT></DIV>
<DIV><FONT size=2><a href="http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/index.jsp?topic=/com.ibm.websphere.nd.doc/info/ae/ae/rprf_samplecodeapidirect.html" target="_blank">http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/index.jsp?topic=/com.ibm.websphere.nd.doc/info/ae/ae/rprf_samplecodeapidirect.html</A></FONT></DIV>
<DIV><FONT size=2> </DIV></FONT>

中间件 WAS

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