/** Return true if requiredParameters is an exact match for candidateParameters. */
protected boolean exactlyMatches(
List<? extends PM> requiredParameters, List<? extends PM> candidateParameters) {
int iMax = requiredParameters.size();
if (iMax != candidateParameters.size()) {
return false;
}
for (int i = 0; i < iMax; i++) {
PM requiredParameter = requiredParameters.get(i);
PM candidateParameter = candidateParameters.get(i);
C requiredType = uml.getOCLType(requiredParameter);
C candidateType = uml.getOCLType(candidateParameter);
if (requiredType != candidateType) {
return false;
}
}
return true;
}
/** Return the map of name to operator or list of operations for a type. */
protected Map<String, Object> getName2OperationOrOperations(C type) {
Map<String, Object> name2operationOrOperations = type2name2operationOrOperations.get(type);
if (name2operationOrOperations == null) {
name2operationOrOperations = new HashMap<String, Object>();
type2name2operationOrOperations.put(type, name2operationOrOperations);
List<O> allOperations = getOperations(type);
for (O candidateOperation : allOperations) {
String name = uml.getName(candidateOperation);
Object overloadOrOverloads = name2operationOrOperations.get(name);
if (overloadOrOverloads == null) {
name2operationOrOperations.put(name, candidateOperation);
} else {
List<O> overloads;
if (overloadOrOverloads instanceof List<?>) {
@SuppressWarnings("unchecked")
List<O> castOperations = (List<O>) overloadOrOverloads;
overloads = castOperations;
} else {
overloads = new ArrayList<O>();
name2operationOrOperations.put(name, overloads);
@SuppressWarnings("unchecked")
O castOperation = (O) overloadOrOverloads;
overloads.add(castOperation);
}
C candidateOwner = uml.getOwningClassifier(candidateOperation);
Collection<? extends C> candidateSupertypes = uml.getAllSupertypes(candidateOwner);
List<PM> candidateParameters = uml.getParameters(candidateOperation);
int iMax = candidateParameters.size();
int j = overloads.size();
while (--j >= 0) { // Reverse count to allow remove()
O oldOperation = overloads.get(j);
List<PM> oldParameters = uml.getParameters(oldOperation);
if (iMax == oldParameters.size()) {
int i = 0;
for (; i < iMax; i++) {
PM candidateParameter = candidateParameters.get(i);
PM oldParameter = oldParameters.get(i);
C oldType = uml.getOCLType(oldParameter);
C candidateType = uml.getOCLType(candidateParameter);
if (oldType != candidateType) {
break;
}
}
if (i >= iMax) {
C oldOwner = uml.getOwningClassifier(oldOperation);
if (candidateSupertypes.contains(oldOwner)) {
overloads.remove(j);
} else {
Collection<? extends C> oldSupertypes = uml.getAllSupertypes(oldOwner);
if (oldSupertypes.contains(candidateOwner)) {
break;
}
}
}
}
}
if (j < 0) {
overloads.add(candidateOperation);
}
}
}
}
return name2operationOrOperations;
}