Re: Implementation error?
Hi all,
Exactly, the null value will not trigger the exception. Only empty
list will in this case. This is desired semantics according to the
specs.
Cheers,
Rong
On 26 March 2010 12:28, Sebastian Garde
<sebastian.garde@oceaninformatics.com> wrote:
> Dear Saran,
>
> not sure I understand you correctly.
> If links is null, the exception would not be thrown.
> Only if links is not null but is empty an exception is thrown, which I think
> is correct?
>
> Cheers,
> Sebastian
>
> Saran Kong wrote:
>
> Dear Rong,
>
> In Locatable class constructor, "links" must not be null or empty, otherwise
> error will be triggered.
>
> if (links != null && links.isEmpty()) {
> throw new IllegalArgumentException("empty links");
> }
>
> However, in Locatable subclasses such as Party, Actor, Person, etc., "links"
> can be null if not specified.
> It is also stated in the specification that links will have the optionality
> of "0...1".
> Is it an error or is intended?
>
> Cheers,
> --
> Kong SARAN
> Information and Communication Technology
> Kano Lab
> Waseda University, Japan
>
>
>
>
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