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Date: Sun, 9 Dec 2012 07:19:03 -0800
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Subject: Re: Thoughts on @Nullable?
From: Carlos Vara <bashflyng@gmail.com>
To: user@bval.apache.org
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Hi Matthew,

Unless I'm missing something, I think @Nullable would just be a no-op for
validation purposes. My view on the issue would be to instead allow JSR-303
validators to perform runtime validation of JSR-305/Findbugs annotations,
where @Nullable is already available.


On Tue, Dec 4, 2012 at 11:23 AM, Matthew Adams <matthew@matthewadams.me>wrote:

> Hi all,
>
> *NB:  Cross posting from the Hibernate Validator forum, since this is
> spec-related, not implementation related.  HV forum post is at
> https://forum.hibernate.org/viewtopic.php?f=9&t=1024895.*
>
> I just entered https://hibernate.onjira.com/browse/BVAL-341 (the JSR-303
> issue tracker, I think) since I was curious as to what other folks thought
> about adding a @Nullable annotation to javax.validation.constraints to
> communicate explicitly that null or non-null values are allowed. Along with
> @NotNull & @Null, it basically completes the three possible answers to the
> nullability question, "can't be null", "must be null", & "may be null".
>
> Thoughts? Upvotes? :)
>
> -matthew
>
>
> --
> mailto:matthew@matthewadams.me <matthew@matthewadams.me>
> skype:matthewadams12
> googletalk:matthew@matthewadams.me
> http://matthewadams.me
> http://www.linkedin.com/in/matthewadams
>
>

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Hi Matthew,<div><br></div><div>Unless I&#39;m missing something, I think @N=
ullable would just be a no-op for validation purposes. My view on the issue=
 would be to instead allow JSR-303 validators to perform runtime validation=
 of JSR-305/Findbugs annotations, where @Nullable is already available.</di=
v>
<div><br></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote=
">On Tue, Dec 4, 2012 at 11:23 AM, Matthew Adams <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:matthew@matthewadams.me" target=3D"_blank">matthew@matthewada=
ms.me</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Hi all,<br><div><div><br></div><div><i>NB: =
=A0Cross posting from the Hibernate Validator forum, since this is spec-rel=
ated, not implementation related. =A0HV forum post is at <a href=3D"https:/=
/forum.hibernate.org/viewtopic.php?f=3D9&amp;t=3D1024895" target=3D"_blank"=
>https://forum.hibernate.org/viewtopic.php?f=3D9&amp;t=3D1024895</a>.</i></=
div>


<div><br></div><div>I just entered <a href=3D"https://hibernate.onjira.com/=
browse/BVAL-341" target=3D"_blank">https://hibernate.onjira.com/browse/BVAL=
-341</a> (the JSR-303 issue tracker, I think) since I was curious as to wha=
t other folks thought about adding a @Nullable annotation to javax.validati=
on.constraints to communicate explicitly that null or non-null values are a=
llowed. Along with @NotNull &amp; @Null, it basically completes the three p=
ossible answers to the nullability question, &quot;can&#39;t be null&quot;,=
 &quot;must be null&quot;, &amp; &quot;may be null&quot;.</div>


<div><br></div><div>Thoughts? Upvotes? :)</div><span class=3D"HOEnZb"><font=
 color=3D"#888888"><div><br></div><div>-matthew</div><div><br></div><div><b=
r></div></font></span></div><span class=3D"HOEnZb"><font color=3D"#888888">=
-- <br>
<a href=3D"mailto:matthew@matthewadams.me" target=3D"_blank">mailto:matthew=
@matthewadams.me</a>=A0<div>

skype:matthewadams12<br><a href=3D"mailto:googletalk%3Amatthew@matthewadams=
.me" target=3D"_blank">googletalk:matthew@matthewadams.me</a><br><a href=3D=
"http://matthewadams.me" target=3D"_blank">http://matthewadams.me</a><br><a=
 href=3D"http://www.linkedin.com/in/matthewadams" target=3D"_blank">http://=
www.linkedin.com/in/matthewadams</a><br>


</div><br>
</font></span></blockquote></div><br></div>

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