src/at/ac/tuwien/lsdc/util/CSVLogger.java

   1 package at.ac.tuwien.lsdc.util;
   2
   3 import java.io.BufferedWriter;
   4 import java.io.File;
   5 import java.io.FileWriter;
   6 import java.io.IOException;
   7 import java.io.PrintWriter;
   8
   9 import at.ac.tuwien.lsdc.types.ScenarioData;
  10 import at.ac.tuwien.lsdc.types.SchedulerData;
  11
  12 public class CSVLogger {
  13
  14         private File file;
  15
  16         public CSVLogger(File file) throws IOException {
  17                 this.file = file;
  18         }
  19
  20         public void logScenarioData(ScenarioData data) throws IOException {
  21                 if (file.length() == 0) {
  22                         writeScenarioDataHeader();
  23                 }
  24                 writeCSVLine(data.toStringArray());
  25         }
  26
  27         public void logSchedulerData(SchedulerData data) throws IOException {
  28                 if (file.length() == 0) {
  29                         writeSchedulerDataHeader();
  30                 }
  31                 writeCSVLine(data.toStringArray());
  32         }
  33
  34         private void writeScenarioDataHeader() throws IOException {
  35                 String[] header = new String[] { "Scheduler", "Scenario", "TotalPMs", "TotalVMs",
  36                                 "TotalDuration", "TotalPowerConsumption", "TotalInSourced", "TotalOutSourced",
  37                                 "TotalResizeEvents", "TotalDelayedApps", "TotalStarted", "TotalStopped"};
  38                 writeCSVLine(header);
  39         }
  40
  41         private void writeSchedulerDataHeader() throws IOException {
  42                 String[] header = new String[] { "Timestamp", "TotalRAM", "TotalCPU", "TotalSize",
  43                                 "RunningPMs", "RunningVMs", "TotalPowerConsumption", "InSourced", "OutSourced",
  44                                 "TotalResizes", "DelayedApps", "Started", "Stopped"};
  45                 writeCSVLine(header);
  46         }
  47
  48         private void writeCSVLine(String[] arr) throws IOException {
  49                 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(file, true)));
  50                 StringBuilder csvBuilder = new StringBuilder();
  51
  52                 for (String s : arr) {
  53                         csvBuilder.append(s).append(";");
  54                 }
  55
  56                 csvBuilder.deleteCharAt(csvBuilder.length() - 1);
  57                 out.println(csvBuilder.toString());
  58                 out.close();
  59         }
  60
  61 }