private void matchTriangular(double mean, Triangular t) {
double c2v = 0.0;
double var = 0.0;
int i = (int) myTriangCasesCDF.getValue();
switch (i) {
case 1: // symmetric
myC2vCDF.setRange(0.0, 1.0 / 6.0);
c2v = myC2vCDF.getValue();
var = c2v * mean * mean;
triangSymmetric(mean, var, t);
break;
case 2: // positive skew
myC2vCDF.setRange(0.0, 1.0 / 8.0);
c2v = myC2vCDF.getValue();
var = c2v * mean * mean;
triangPositiveSkew(mean, var, t);
break;
case 3: // negative skew
myC2vCDF.setRange(0.0, 1.0 / 2.0);
c2v = myC2vCDF.getValue();
var = c2v * mean * mean;
triangNegativeSkew(mean, var, t);
break;
}
}
public QParameterSet generateQParameterSet() {
QParameterSet q = new QParameterSet();
q.mtba = myMTBACDF.getValue();
q.numServers = (int) myServerCDF.getValue();
q.rho = myRhoCDF.getValue();
q.mst = q.rho * q.mtba * q.numServers;
matchDistribution(q, ARRIVAL);
matchDistribution(q, SERVICE);
return (q);
}
private void matchDistribution(QParameterSet q, int processType) {
double mean = 0.0;
double p1 = 0.0;
double p2 = 0.0;
double p3 = 0.0;
double[] param = new double[3];
Distribution d;
int type = (int) myDCDF.getValue();
if (processType == ARRIVAL) {
q.acdfType = type;
q.acdf = (Distribution) myArrivalCDFs.get(q.acdfType - 1);
d = q.acdf;
mean = q.mtba;
} else {
q.scdfType = type;
q.scdf = (Distribution) myServiceCDFs.get(q.scdfType - 1);
d = q.scdf;
mean = q.mst;
}
switch (type) {
case EXPONENTIAL:
matchExponential(mean, (Exponential) d);
param = d.getParameters();
p1 = param[0];
break;
case UNIFORM:
matchUniform(mean, (Uniform) d);
param = d.getParameters();
p1 = param[0];
p2 = param[1];
break;
case GAMMA:
matchGamma(mean, (Gamma) d);
param = d.getParameters();
p1 = param[0];
p2 = param[1];
break;
case WEIBULL:
matchWeibull(mean, (Weibull) d);
param = d.getParameters();
p1 = param[0];
p2 = param[1];
break;
case TRIANGULAR:
matchTriangular(mean, (Triangular) d);
param = d.getParameters();
p1 = param[0];
p2 = param[1];
p3 = param[2];
break;
case LOGNORMAL:
matchLognormal(mean, (Lognormal) d);
param = d.getParameters();
p1 = param[0];
p2 = param[1];
break;
}
double var = d.getVariance();
double cv2 = var / (mean * mean);
if (processType == ARRIVAL) {
q.c2va = cv2;
q.aP1 = p1;
q.aP2 = p2;
q.aP3 = p3;
} else {
q.c2vs = cv2;
q.sP1 = p1;
q.sP2 = p2;
q.sP3 = p3;
}
}
public void setMaxNumServers(int maxNumServers) {
if (maxNumServers < 1) throw new IllegalArgumentException("Number of servers must be >=1");
myMaxNumServers = maxNumServers;
if (myServerCDF == null) myServerCDF = new DUniform(1, myMaxNumServers);
else myServerCDF.setRange(1, myMaxNumServers);
}