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From: Alexey Kuznetsov <akuznetsov@gridgain.com>
Date: Thu, 16 Jun 2016 17:05:34 +0700
Message-ID: <CALH+G9pPb=_gj+NN8gWbbuvEg3hMdoW6TVWqS3Z-EECHU_5koA@mail.gmail.com>
Subject: Re: Change rest-http Java to JSON null transformation logic
To: user@ignite.apache.org
Cc: dev@ignite.apache.org
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archived-at: Thu, 16 Jun 2016 10:05:41 -0000

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Pavel, we cannot omit them.

Because if JSON will be transformed back to Java and some java field has
not null default value that will lead to not correct de-serialization in
this case.

On Thu, Jun 16, 2016 at 4:54 PM, Pavel Tupitsyn <ptupitsyn@gridgain.com>
wrote:

> Why do we even write null fields? Can we just omit them?
> This will be faster, more compact, and less ambiguous.
>
> Pavel.
>
> On Thu, Jun 16, 2016 at 12:51 PM, Denis Magda <dmagda@gridgain.com> wrote=
:
>
>> This looks strange. Definitely for consistency reasons it makes sense
>> that all =E2=80=98null=E2=80=99 objects including string are serialized =
as =E2=80=9Cnull=E2=80=9D.
>>
>> In regards to the compatibility stuff I think it can be resolved somehow=
.
>>
>> =E2=80=94
>> Denis
>>
>> On 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 I'm working on migrating from outdated json-lib to Jackson issue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 a=
s
>> "" 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
>>
>>
>>
>


--=20
Alexey Kuznetsov
GridGain Systems
www.gridgain.com

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