private void findSuperTypes(Class<?> type, Set<Class<?>> types) {
if (type == Object.class) {
return;
}
types.add(type);
for (Class<?> intf : type.getInterfaces()) {
findSuperTypes(intf, types);
}
findSuperTypes(type.getSuperclass(), types);
}
private FMLControlledNamespacedRegistry<?> findRegistry(Class<?> type) {
BiMap<Class<?>, String> typeReg = registryTypes.inverse();
String name = typeReg.get(type);
if (name == null) {
Set<Class<?>> parents = Sets.newHashSet();
findSuperTypes(type, parents);
SetView<Class<?>> foundType = Sets.intersection(parents, registryTypes.values());
if (foundType.isEmpty()) {
FMLLog.severe("Unable to find registry for type %s", type.getName());
throw new IllegalArgumentException(
"Attempt to register an object without an associated registry");
}
Class<?> regtype = Iterables.getOnlyElement(foundType);
name = typeReg.get(regtype);
}
return genericRegistries.get(name);
}
@SuppressWarnings("unchecked")
private <T> FMLControlledNamespacedRegistry<T> createGenericRegistry(
String registryName, Class<T> type, int minId, int maxId) {
Set<Class<?>> parents = Sets.newHashSet();
findSuperTypes(type, parents);
SetView<Class<?>> overlappedTypes = Sets.intersection(parents, registryTypes.values());
if (!overlappedTypes.isEmpty()) {
Class<?> foundType = overlappedTypes.iterator().next();
FMLLog.severe(
"Found existing registry of type %1s named %2s, you cannot create a new registry (%3s) with type %4s, as %4s has a parent of that type",
foundType, registryTypes.inverse().get(foundType), registryName, type);
throw new IllegalArgumentException(
"Duplicate registry parent type found - you can only have one registry for a particular super type");
}
FMLControlledNamespacedRegistry<?> fmlControlledNamespacedRegistry =
new FMLControlledNamespacedRegistry<T>(null, maxId, minId, type);
genericRegistries.put(registryName, fmlControlledNamespacedRegistry);
registryTypes.put(registryName, type);
return (FMLControlledNamespacedRegistry<T>) fmlControlledNamespacedRegistry;
}