code: @Nonnull
    public static <KEYTYPE, ENUMTYPE extends Enum <ENUMTYPE> & IHasID <KEYTYPE>> ENUMTYPE getFromIDOrThrow (@Nonnull final Class <ENUMTYPE> aClass,
                                                                                                            @Nullable final KEYTYPE aID)
    {
      final ENUMTYPE aEnum = getFromIDOrNull (aClass, aID);
      if (aEnum == null)
        throw new IllegalArgumentException ("Failed to resolve ID " + aID + " within class " + aClass);
      return aEnum;
    }
docs: Get the enum value with the passed ID. If no such ID is present, an
  {@link IllegalArgumentException} is thrown.
  
  @param <KEYTYPE>
  The ID type
  @param <ENUMTYPE>
  The enum type
  @param aClass
  The enum class
  @param aID
  The ID to search
  @return The enum item with the given ID. Never <code>null</code>.
  @throws IllegalArgumentException
  if no enum item with the given ID is present