// checks if the CSA has enough data for a decision
private CSAData checkData(CSAData data) {
if (data != null) {
if (data.getServiceTemplates().size() > 0) {
data.setEvalResult(OK);
return data;
} else {
data.setEvalResult(ERROR_1);
return data;
}
} else {
return data;
}
}
public CSAData evaluator(CSAData csa) {
String[] msg = {"STATUS: Evaluating CSA Data"};
CloudAid.askData(CloudAid.PROMPT, msg, null);
try {
csa = this.checkData(csa);
if (csa.getEvalResult() == 0) {
// evaluation ok
this.data = csa;
this.convertReqsInCriterions();
this.generalizeCSARequirements();
this.generalizeCSACriteria();
if (this.methodID == CloudAid.SAW) {
this.normalizeServiceTemplateWeights();
this.normalizeCriteriaWeights();
}
return this.data;
} else {
return csa;
}
} catch (NullPointerException ex) {
// System.out.println("No data do evaluate.");
return null;
}
}
private void normalizeServiceTemplateWeights() {
// normalize the general criteria
System.out.println("SYSTEM: Normalizing Service Template Weights");
double total = 0;
for (ServiceTemplate template : data.getServiceTemplates()) {
total = total + template.getWeight();
}
for (ServiceTemplate template : data.getServiceTemplates()) {
double res = template.getWeight() / total;
System.out.println(
"SYSTEM: Total: " + total + " || value: " + template.getWeight() + "|| res: " + res);
template.setWeight((float) res);
}
}
private void normalizeCriteriaWeights() {
// normalize the general criteria
System.out.println("SYSTEM: Normalizing general criteria");
double total = 0;
for (Criterion crit : data.getCriteria()) {
total = total + crit.getWeight();
}
for (Criterion crit : data.getCriteria()) {
double res = crit.getWeight() / total;
System.out.println(
"SYSTEM: Total: " + total + " || value: " + crit.getWeight() + "|| res: " + res);
crit.setWeight(res);
}
// normalize each of the Service Templates
for (ServiceTemplate template : data.getServiceTemplates()) {
System.out.println(
"SYSTEM: Normalizing criteria of the serviceTemplate: " + template.getId());
double templateTotal = 0;
for (Criterion crit : template.getCriteria()) {
templateTotal = templateTotal + crit.getWeight();
}
for (Criterion crit : template.getCriteria()) {
double res = crit.getWeight() / templateTotal;
System.out.println(
"SYSTEM: Total: "
+ templateTotal
+ " || value: "
+ crit.getWeight()
+ "|| res: "
+ res);
crit.setWeight(res);
}
}
}