static CachedMethod[] getMethods(Kryo kryo, Class type) {
CachedMethod[] cachedMethods = methodCache.get(type);
if (cachedMethods != null) {
return cachedMethods;
}
ArrayList<Method> allMethods = new ArrayList();
Class nextClass = type;
while ((nextClass != null) && (nextClass != Object.class)) {
Collections.addAll(allMethods, nextClass.getDeclaredMethods());
nextClass = nextClass.getSuperclass();
}
PriorityQueue<Method> methods =
new PriorityQueue(
Math.max(1, allMethods.size()),
new Comparator<Method>() {
@Override
public int compare(Method o1, Method o2) {
// Methods are sorted so they can be represented as an index.
int diff = o1.getName().compareTo(o2.getName());
if (diff != 0) {
return diff;
}
Class[] argTypes1 = o1.getParameterTypes();
Class[] argTypes2 = o2.getParameterTypes();
if (argTypes1.length > argTypes2.length) {
return 1;
}
if (argTypes1.length < argTypes2.length) {
return -1;
}
for (int i = 0; i < argTypes1.length; i++) {
diff = argTypes1[i].getName().compareTo(argTypes2[i].getName());
if (diff != 0) {
return diff;
}
}
throw new RuntimeException("Two methods with same signature!"); // Impossible.
}
});
for (int i = 0, n = allMethods.size(); i < n; i++) {
Method method = allMethods.get(i);
int modifiers = method.getModifiers();
if (Modifier.isStatic(modifiers)) {
continue;
}
if (Modifier.isPrivate(modifiers)) {
continue;
}
if (method.isSynthetic()) {
continue;
}
methods.add(method);
}
int n = methods.size();
cachedMethods = new CachedMethod[n];
for (int i = 0; i < n; i++) {
CachedMethod cachedMethod = new CachedMethod();
cachedMethod.method = methods.poll();
// Store the serializer for each final parameter.
Class[] parameterTypes = cachedMethod.method.getParameterTypes();
cachedMethod.serializers = new Serializer[parameterTypes.length];
for (int ii = 0, nn = parameterTypes.length; ii < nn; ii++) {
if (kryo.isFinal(parameterTypes[ii])) {
cachedMethod.serializers[ii] = kryo.getSerializer(parameterTypes[ii]);
}
}
cachedMethods[i] = cachedMethod;
}
methodCache.put(type, cachedMethods);
return cachedMethods;
}
