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 import au.com.bytecode.opencsv.CSVWriter;
  12
  13 public class CSVLogger {
  14
  15         private File file;
  16
  17         public CSVLogger(File file) throws IOException {
  18                 this.file = file;
  19         }
  20
  21         public void logScenarioData(ScenarioData data) throws IOException {
  22                 if (file.length() == 0) {
  23                         writeScenarioDataHeader();
  24                 }
  25                 writeCSVLine(data.toStringArray());
  26         }
  27
  28         public void logSchedulerData(SchedulerData data) throws IOException {
  29                 if (file.length() == 0) {
  30                         writeSchedulerDataHeader();
  31                 }
  32                 writeCSVLine(data.toStringArray());
  33         }
  34
  35         private void writeScenarioDataHeader() throws IOException {
  36                 String[] header = new String[] { "Scheduler", "Scenario", "TotalPMs",
  37                                 "TotalVMs", "TotalDuration", "TotalPowerConsumption",
  38                                 "TotalInSourced", "TotalOutSourced" };
  39                 writeCSVLine(header);
  40         }
  41
  42         private void writeSchedulerDataHeader() throws IOException {
  43                 String[] header = new String[] { "Timestamp", "TotalRAM", "TotalCPU",
  44                                 "TotalSize", "RunningPMs", "RunningVMs",
  45                                 "TotalPowerConsumption", "InSourced", "OutSourced" };
  46                 writeCSVLine(header);
  47         }
  48
  49         private void writeCSVLine(String[] arr) throws IOException {
  50                 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(
  51                                 file, true)));
  52                 StringBuilder csvBuilder = new StringBuilder();
  53
  54                 for (String s : arr) {
  55                         csvBuilder.append(s).append(";");
  56                 }
  57
  58                 csvBuilder.deleteCharAt(csvBuilder.length() - 1);
  59                 out.println(csvBuilder.toString());
  60                 out.close();
  61         }
  62
  63 }