protected void checkArguments(List<FieldValue> arguments, int size, boolean allowNulls) {
if (arguments.size() != size) {
throw new FunctionException(
getName(), "Expected " + size + " arguments, but got " + arguments.size() + " arguments");
} // End if
if (!allowNulls && arguments.contains(null)) {
throw new FunctionException(getName(), "Missing arguments");
}
}
