Hi David,

Yes, I already mentioned that I am a newbie to Flink and Scala. I am making
progress as the day progresses. I have modified my question again. But I am
not sure how to use it. Could you please correct it? or add something if I
missed something?

On Wed, Dec 29, 2021 at 10:53 PM David Morávek <d...@apache.org> wrote:

> Hi Siddhesh,
>
> You can not change the method signature when you're implementing an
> interface.
>
> I'm not really sure this belongs to the ML anymore as this is getting more
> into Scala / Java fundamentals. There are some great learning resources
> online for Scala [1], I'd recommend starting from there. Also if you're are
> not familiar with Scala I'd highly recommend starting with Java API first
> as it's way more intuitive to use with Flink as you don't have to deal with
> Scala / Java interoperability.
>
> [1]
> https://docs.scala-lang.org/scala3/book/interacting-with-java.html#extending-java-interfaces-in-scala
>
> On Wed, Dec 29, 2021 at 5:59 PM Siddhesh Kalgaonkar <
> kalgaonkarsiddh...@gmail.com> wrote:
>
>> I have modified my question based on Dominik's inputs. Can somebody help
>> to take it forward?
>>
>> Thanks,
>> Siddhesh
>>
>> On Wed, Dec 29, 2021 at 3:32 PM David Morávek <d...@apache.org> wrote:
>>
>>> Please always try to include user@f.a.o in your reply, so other can
>>> participate in the discussion and learn from your findings.
>>>
>>> I think Dominik has already given you pretty good hint. The JSON parsing
>>> in this case is not any different as with any other java application (with
>>> jackson / gson / ...). You can then simply split the parsed elements into
>>> good and bad records.
>>>
>>> D.
>>>
>>> On Wed, Dec 29, 2021 at 10:53 AM Siddhesh Kalgaonkar <
>>> kalgaonkarsiddh...@gmail.com> wrote:
>>>
>>>> Hi David,
>>>>
>>>> Thanks for the clarification. I will check the link you shared. Also,
>>>> as mentioned by Dominik, can you help me with the process functions. How
>>>> can I use it for my use case?
>>>>
>>>> Thanks,
>>>> Siddhesh
>>>>
>>>> On Wed, Dec 29, 2021 at 2:50 PM David Morávek <d...@apache.org> wrote:
>>>>
>>>>> Hi Siddhesh,
>>>>>
>>>>> it seems that the question is already being answered in the SO thread,
>>>>> so let's keep the discussion focused there.
>>>>>
>>>>> Looking at the original question, I think it's important to
>>>>> understand, that the TypeInformation is not meant to be used for "runtime"
>>>>> matching, but to address the type erasure [1] limitation for the UDFs 
>>>>> (user
>>>>> defined functions), so Flink can pick the correct serializer / 
>>>>> deserializer.
>>>>>
>>>>> [1] https://docs.oracle.com/javase/tutorial/java/generics/erasure.html
>>>>>
>>>>> Best,
>>>>> D.
>>>>>
>>>>> On Tue, Dec 28, 2021 at 9:21 PM Siddhesh Kalgaonkar <
>>>>> kalgaonkarsiddh...@gmail.com> wrote:
>>>>>
>>>>>> Hi Team,
>>>>>>
>>>>>> I am a newbie to Flink and Scala and trying my best to learn
>>>>>> everything I can. I doing a practice where  I am getting incoming JSON 
>>>>>> data
>>>>>> from the Kafka topic and want to perform a data type check on it.
>>>>>> For that, I came across TypeInformation of Flink. Please read my
>>>>>> problem in detail from the below link:
>>>>>>
>>>>>> Flink Problem
>>>>>> <https://stackoverflow.com/questions/70500023/typeinformation-in-flink-to-compare-the-datatypes-dynamically>
>>>>>>
>>>>>> I went through the documentation but didn't come across any relevant
>>>>>> examples. Any suggestions would help.
>>>>>>
>>>>>> Looking forward to hearing from you.
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>> Siddhesh
>>>>>>
>>>>>

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