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);
}
}
}
private void convertReqsInCriterions() {
// convert the general requirements
ArrayList<Criterion> criteria = this.data.getCriteria();
for (Requirement req : this.data.getRequirements()) {
if (req.isCriterion()) {
// create new criterion
Criterion crit = new Criterion();
if (req.getQuantType() != null) crit.setName(req.getQuantType().getValue());
else if (req.getQualType() != null) crit.setName(req.getQualType().getValue());
else
// this is a price requirement
crit.setName("price");
String[] msg = {crit.getName(), "General"};
if (this.methodID == CloudAid.SAW) {
Float weight = Float.parseFloat(CloudAid.askData(CloudAid.GET_WEIGHT, msg, null));
crit.setWeight(weight);
}
// get the criterion preference direction
String res = CloudAid.askData(CloudAid.GET_PREFERENCE_DIRECTION, msg, null);
if (res.equalsIgnoreCase("y")) {
crit.setPreferenceDirection("max");
} else if (res.equalsIgnoreCase("n")) {
crit.setPreferenceDirection("min");
}
criteria.add(crit);
}
}
this.data.setCriteria(criteria);
// convert each serpiceTemplate requirements
for (ServiceTemplate template : this.data.getServiceTemplates()) {
ArrayList<Criterion> templateCriteria = template.getCriteria();
for (Requirement req : template.getRequirements()) {
if (req.isCriterion()) {
// create new criterion
Criterion crit = new Criterion();
if (req.getQuantType() != null) crit.setName(req.getQuantType().getValue());
else if (req.getQualType() != null) crit.setName(req.getQualType().getValue());
else
// this is a price requirement
crit.setName("price");
String[] msg = {crit.getName(), template.getType()};
if (this.methodID == CloudAid.SAW) {
Float weight = Float.parseFloat(CloudAid.askData(CloudAid.GET_WEIGHT, msg, null));
crit.setWeight(weight);
}
// get the criterion preference direction
String res = CloudAid.askData(CloudAid.GET_PREFERENCE_DIRECTION, msg, null);
if (res.equalsIgnoreCase("y")) {
crit.setPreferenceDirection("max");
} else if (res.equalsIgnoreCase("n")) {
crit.setPreferenceDirection("min");
}
templateCriteria.add(crit);
}
}
template.setCriteria(templateCriteria);
}
}