/**
* Évalue la cohésion interne d'une interface.
*
* @param itf L'interface à évaluer
* @return Un double entre 0.0 et 100.0
*/
public double internalCohesion(final Interface itf) {
double result = 0.0;
Set<Function> itfFcts = itf.getFunctions();
Set<GlobalVariable> itfVars = itf.getGlobalVariables();
Set<ComplexType> itfTypes = itf.getComplexTypes();
int nbEntities = itfFcts.size() + itfVars.size() + itfTypes.size();
if (nbEntities > 1) {
if (itfFcts.size() > 0) {
int n = 0;
if (itfFcts.size() > 1) {
result += cohesionFcts(itfFcts);
++n;
}
if (itfVars.size() > 0) {
result += cohesionFctsVars(itfFcts, itfVars);
++n;
}
if (itfTypes.size() > 0) {
result += cohesionFctsTypes(itfFcts, itfTypes);
++n;
}
result /= n;
} else if (itfVars.size() > 0 && itfTypes.size() > 0) {
result += cohesionVarsTypes(itfVars, itfTypes);
}
} else if (nbEntities > 0) {
result = 100.0;
}
return result;
}
/**
* Évalue la cohésion entre 2 interfaces d'un composant.
*
* @return Un double entre 0.0 et 100.0
*/
public double interfacesCohesion(Interface itf1, Interface itf2) {
double result = 0.0;
Set<Function> functions1 = itf1.getFunctions();
Set<Function> functions2 = itf2.getFunctions();
Set<GlobalVariable> variables1 = itf1.getGlobalVariables();
Set<GlobalVariable> variables2 = itf2.getGlobalVariables();
Set<ComplexType> types1 = itf1.getComplexTypes();
Set<ComplexType> types2 = itf2.getComplexTypes();
int nbPairs = 0;
for (Function fct1 : functions1) {
for (Function fct2 : functions2) {
result += cohesion(fct1, fct2);
++nbPairs;
}
for (GlobalVariable var2 : variables2) {
result += cohesion(fct1, var2);
++nbPairs;
}
for (ComplexType t2 : types2) {
result += cohesion(fct1, t2);
++nbPairs;
}
}
for (Function fct2 : functions2) {
for (GlobalVariable var1 : variables1) {
result += cohesion(fct2, var1);
++nbPairs;
}
for (ComplexType t1 : types1) {
result += cohesion(fct2, t1);
++nbPairs;
}
}
if (nbPairs > 0) {
result /= nbPairs;
}
return result;
}