📄 jobhistory.jsp

📁 hadoop:Nutch集群平台
💻 JSP
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<%@ page  contentType="text/html; charset=UTF-8"  import="java.io.*"  import="java.util.*"  import="org.apache.hadoop.mapred.*"  import="org.apache.hadoop.util.*"  import="javax.servlet.jsp.*"  import="java.text.SimpleDateFormat"    import="org.apache.hadoop.mapred.JobHistory.*"%><jsp:include page="loadhistory.jsp">	<jsp:param name="historyFile" value="<%=request.getParameter("historyFile") %>"/>	<jsp:param name="reload" value="<%=request.getParameter("reload") %>"/></jsp:include><%!		private static SimpleDateFormat dateFormat = new SimpleDateFormat("d/MM HH:mm:ss") ;%><html><body><%		Map<String, Map<String, JobInfo>> jobTrackerToJobs = 		  (Map<String, Map<String, JobInfo>>)request.getSession().getAttribute("jobHistory"); 				if( null == jobTrackerToJobs ){		  out.println("NULL !!!"); 		  return ; 		}		for(String trackerStartTime : jobTrackerToJobs.keySet() ){ 		  Map<String, JobInfo> jobs = (Map<String, JobInfo>)jobTrackerToJobs.get(trackerStartTime) ; %><h2>JobTracker started at : <%=new Date(Long.parseLong(trackerStartTime)) %></h2><hr/><h3>Completed Jobs </h3><center><%			printJobs(trackerStartTime, jobs, Values.SUCCESS.name(), out) ; %></center> <h3>Failed Jobs </h3><center><%			printJobs(trackerStartTime, jobs, Values.FAILED.name() , out) ; %></center><h3>Incomplete Jobs </h3><center><%			printJobs(trackerStartTime, jobs, null , out) ; %></center><hr/><br/><%		} // end while trackers %> <%!	private void printJobs(String trackerid, Map<String, JobInfo> jobs, String status, JspWriter out) throws IOException{	  if( jobs.size() == 0 ) {	    out.print("<h3>No Jobs available</h3>"); 	    return ; 	  }      out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">");      out.print("<tr>");   	  out.print("<td align=\"center\">Job Id</td><td>Name</td><td>User</td><td>Submit Time</td>" +    	      "<td>Finish Time</td><td>Total Maps</td><td>Total Reduces</td>" +   		  "<td>Finished Maps</td><td>Finished Reduces</td>") ;    	  out.print("</tr>");    	      	  for( JobInfo job : jobs.values() ) {		if( null != status && status.equals(job.get(Keys.JOB_STATUS)) ) {		  printJob(trackerid, job, out); 		}else if( status == null && job.get(Keys.JOB_STATUS) == null ) {		  printJob(trackerid, job, out); 		}	  }	  out.print("</table>");	}	private void printJob(String trackerid, JobInfo job, JspWriter out)throws IOException{	    out.print("<tr>"); 	    out.print("<td>" + "<a href=\"jobdetailshistory.jsp?jobid="+ job.get(Keys.JOBID) + 	        "&jobTrackerId=" +trackerid  + "\">" + job.get(Keys.JOBID) + "</a></td>"); 	    out.print("<td>" + job.get(Keys.JOBNAME) + "</td>"); 	    out.print("<td>" + job.get(Keys.USER) + "</td>"); 	    out.print("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat, job.getLong(Keys.SUBMIT_TIME),0) + "</td>"); 	    out.print("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat, job.getLong(Keys.FINISH_TIME) , job.getLong(Keys.SUBMIT_TIME) ) + "</td>");	    out.print("<td>" + job.get(Keys.TOTAL_MAPS) + "</td>"); 	    out.print("<td>" + job.get(Keys.TOTAL_REDUCES) + "</td>"); 	    out.print("<td>" + job.get(Keys.FINISHED_MAPS) + "</td>"); 	    out.print("<td>" + job.get(Keys.FINISHED_REDUCES) + "</td>"); 	    out.print("</tr>");	} %>  </body></html>
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