Mailing-List: contact user-help@ignite.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@ignite.apache.org
MIME-Version: 1.0
In-Reply-To: <CANaBAjXiwRjzLpri3_u=nPqvoRq1cjrEr=_7x3bjM9ZGNR49nQ@mail.gmail.com>
References: <CALH+G9rWUiCWaqrogq+bZZSJMO1muxsw-hgtq64kmm3b279yhw@mail.gmail.com>
 <CANaBAjXiwRjzLpri3_u=nPqvoRq1cjrEr=_7x3bjM9ZGNR49nQ@mail.gmail.com>
From: Pavel Tupitsyn <ptupitsyn@gridgain.com>
Date: Thu, 16 Jun 2016 12:49:25 +0300
Message-ID: <CAK2_iMMz9LfFooQ3HvRvD5xj=o3-NRN8K8NSrbKa=VQYTt=NrQ@mail.gmail.com>
Subject: Re: Change rest-http Java to JSON null transformation logic
To: user@ignite.apache.org
Cc: dev@ignite.apache.org
Content-Type: multipart/alternative; boundary=001a1137bbea09df6a05356229eb
archived-at: Thu, 16 Jun 2016 09:50:00 -0000

--001a1137bbea09df6a05356229eb
Content-Type: text/plain; charset=UTF-8

Hi,

What if there is an actual string with "null" value?

Pavel.

On Thu, Jun 16, 2016 at 12:44 PM, Vladislav Pyatkov <vpyatkov@gridgain.com>
wrote:

> Hello,
>
> Why do you want this, if you can save full compatibility using custom
> serializer for null value (ObjectMapper#setSerializerProvider)?
>
> On Thu, Jun 16, 2016 at 12:15 PM, Alexey Kuznetsov <
> akuznetsov@gridgain.com> wrote:
>
>> Hi All!
>>
>> I'm working on migrating from outdated json-lib to Jackson issue
>> IGNITE-3277 [1] and found that previous library serialize null strings as
>> "" and null objects as "null", for example:
>> {"a": "", "b": null}
>>
>> How about to serialize all values as "null" ?
>> In this case we would definitely know that in Java before serialization
>> to JSON was really NULL, not empty string.
>>
>> But this may break compatibility in some cases.
>>
>> Thoughts?
>>
>>
>> 1. https://issues.apache.org/jira/browse/IGNITE-3277
>>
>> --
>> Alexey Kuznetsov
>> GridGain Systems
>> www.gridgain.com
>>
>
>

--001a1137bbea09df6a05356229eb
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi,<div><br></div><div>What if there is an actual string w=
ith &quot;null&quot; value?</div><div><br></div><div>Pavel.</div></div><div=
 class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Thu, Jun 16, 2016 =
at 12:44 PM, Vladislav Pyatkov <span dir=3D"ltr">&lt;<a href=3D"mailto:vpya=
tkov@gridgain.com" target=3D"_blank">vpyatkov@gridgain.com</a>&gt;</span> w=
rote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;borde=
r-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>Hello,</div><=
div><br></div>Why do you want this, if you can save full compatibility usin=
g custom serializer for null value (ObjectMapper#setSerializerProvider)?<br=
></div><div class=3D"HOEnZb"><div class=3D"h5"><div class=3D"gmail_extra"><=
br><div class=3D"gmail_quote">On Thu, Jun 16, 2016 at 12:15 PM, Alexey Kuzn=
etsov <span dir=3D"ltr">&lt;<a href=3D"mailto:akuznetsov@gridgain.com" targ=
et=3D"_blank">akuznetsov@gridgain.com</a>&gt;</span> wrote:<br><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div dir=3D"ltr">Hi All!<div><br></div><div>I&#39;m work=
ing on migrating from outdated json-lib to Jackson issue IGNITE-3277 [1] an=
d found that previous library serialize null strings as &quot;&quot; and nu=
ll objects as &quot;null&quot;, for example:</div><div>{&quot;a&quot;: &quo=
t;&quot;, &quot;b&quot;: null}</div><div><br></div><div>How about to serial=
ize all values as &quot;null&quot; ?</div><div>In this case we would defini=
tely know that in Java before serialization to JSON was really NULL, not em=
pty string.</div><div><br></div><div>But this may break compatibility in so=
me cases.</div><div><br></div><div>Thoughts?</div><div><br></div><div><br><=
/div><div>1.=C2=A0<a href=3D"https://issues.apache.org/jira/browse/IGNITE-3=
277" target=3D"_blank">https://issues.apache.org/jira/browse/IGNITE-3277</a=
><span><font color=3D"#888888"><br clear=3D"all"><div><br></div>-- <br><div=
 data-smartmail=3D"gmail_signature">Alexey Kuznetsov<div>GridGain Systems<b=
r><a href=3D"http://www.gridgain.com" target=3D"_blank">www.gridgain.com</a=
><br></div></div>
</font></span></div></div>
</blockquote></div><br></div>
</div></div></blockquote></div><br></div>

--001a1137bbea09df6a05356229eb--