Source Code of com.flaptor.hounder.clusterfest.SearcherFormatter

package com.flaptor.hounder.clusterfest;


import java.util.ArrayList;


import com.flaptor.clusterfest.NodeDescriptor;
import com.flaptor.clusterfest.monitoring.DefaultPropertyFormatter;
import com.flaptor.clusterfest.monitoring.PropertyFormatter;
import com.flaptor.util.Pair;
import com.flaptor.util.Triad;
import com.flaptor.util.Statistics.EventStats;




public class SearcherFormatter implements PropertyFormatter {


  @SuppressWarnings("unchecked")
  public String format(NodeDescriptor node, String name, Object value) {
    StringBuffer output = new StringBuffer();
    if (name.equals("averageTimes")) {
      ArrayList<Pair<String,Float>> averageTimes = (ArrayList<Pair<String,Float>>)value;
      for (Pair<String,Float> averageTime : averageTimes) {
        String searcher = averageTime.first();
        Float time = averageTime.last();
        if (time == Float.NaN) {
          output.append(searcher+": &lt;waiting&gt;<br>");
        } else {
          output.append(searcher+": "+time+" ms<br>");
        }
      }
    } else if (name.equals("responseTimes")
          || name.equals("cacheHit")
          || name.equals("cacheMiss")) {
      Triad<EventStats,EventStats,EventStats> stats = (Triad<EventStats,EventStats,EventStats>)value;
      EventStats accum = stats.first();
      EventStats curr = stats.second();
      EventStats last = stats.third();
      addStats(output,"Current",curr);
      addStats(output,"Last",last);
      addStats(output,"Accumulated",accum);
    } else {
      output.append((new DefaultPropertyFormatter()).format(node, name,value));
    }
    return output.toString();
  }
  
  private void addStats(StringBuffer output, String name, EventStats stats) {
    output.append("<b>"+name+"</b>");
    float avg = stats.getAvg();
    float med = stats.getMedian();
    float min = stats.getMin();
    float max = stats.getMax();
    long total = stats.totalSamples();
    long good = stats.correctSamples();
    long bad = stats.errorSamples();
    float ratio = stats.getErrorRatio();
    output.append(" ("+total+" samples: "+good+" good, "+bad+" bad ["+ratio+"%])<br/>");
    output.append("&nbsp;&nbsp;&nbsp;&nbsp;median: "+med+"<br/>");
    output.append("&nbsp;&nbsp;&nbsp;&nbsp;min: "+min+"<br/>");
    output.append("&nbsp;&nbsp;&nbsp;&nbsp;avg: "+avg+"<br/>");
    output.append("&nbsp;&nbsp;&nbsp;&nbsp;max: "+max+"<br/>");
  }


}
Source Code of com.flaptor.hounder.clusterfest.SearcherFormatter

Related Classes of com.flaptor.hounder.clusterfest.SearcherFormatter
