Robust/src/Benchmarks/PERT/Tag/Stage.java

   1 public class Stage {
   2     flag sampling;
   3     flag estimate;
   4     flag merge;
   5
   6     int ID;
   7
   8     int[] samplings;
   9     int optime;
  10     int nortime;
  11     int petime;
  12     int time;
  13     double variance2;
  14
  15     public Stage(int id) {
  16         this.ID = id;
  17
  18         this.samplings = new int[10];
  19         for(int i = 0; i < this.samplings.length; ++i) {
  20             this.samplings[i] = 0;
  21         }
  22
  23         this.optime = 0;
  24         this.nortime = 0;
  25         this.petime = 0;
  26         this.time = 0;
  27         this.variance2 = 0;
  28     }
  29
  30     public void sampling() {
  31         /*if(ID % 2 == 1) {
  32                         int tmp = samplings[samplings.length];
  33                 }*/
  34
  35         Random r = new Random(ID);
  36         int tint = 0;
  37         for(int i = 0; i < this.samplings.length; ++i) {
  38             do {
  39                 tint = r.nextInt()%50;
  40             } while(tint <= 0);
  41             this.samplings[i] = tint;
  42             //System.printString(tint + "; ");
  43         }
  44         //int tint = ID * 3;
  45         //for(int i = 0; i < this.samplings.length; ++i) {
  46         //this.samplings[i] = tint + i;
  47                 //System.printString(tint + "; ");
  48         //}
  49         //System.printString("\n");
  50     }
  51
  52     public void estimate() {
  53         /*if(ID % 2 == 1) {
  54                         int tmp = samplings[samplings.length];
  55                 }*/
  56
  57         int highest = this.samplings[0];
  58         int lowest = this.samplings[0];
  59         int sum = this.samplings[0];
  60         for(int i = 1; i < this.samplings.length; ++i) {
  61             int temp = this.samplings[i];
  62             if(temp > highest) {
  63                 highest = temp;
  64             } else if(temp < lowest) {
  65                 lowest = temp;
  66             }
  67             sum += temp;
  68         }
  69         sum  = sum - highest - lowest;
  70         int ordinary = sum / (this.samplings.length - 2);
  71         this.optime = lowest;;
  72         this.petime = highest;
  73         this.nortime = ordinary;
  74         this.time = (this.optime + 4 * this.nortime + this.petime) / 6;
  75         this.variance2 = (double)(this.optime - this.petime) * (double)(this.optime - this.petime) / 36.0;
  76         //System.printString("Op time: " + this.optime + "; Nor time: " + this.nortime + "; Pe time: " + this.petime + "; variance2: " + (int)(this.variance2*100) + "(/100)\n");
  77     }
  78
  79     public int getAntTime() {
  80         return this.time;
  81     }
  82
  83     public double getAntVariance2() {
  84         return this.variance2;
  85     }
  86
  87 }