Hi Komal:
I think snippet 1 is better, because it carry more information like
ListTypeInfo.
Consider snippet 2, now our type inference in TypeInformation.of can not
infer the nested information. (It not get the information: List<myClass>)
On Fri, Nov 1, 2019 at 11:49 AM Jingsong Li <jingsongl...@gmail.com> wrote:
> Hi Komal:
> I think snippet 1 is better, because it carry more information like
> ListTypeInfo.
> Consider snippet 2, now our type inference in TypeInformation.of can not
> infer the nested information. (It not get the information: List<myClass>)
>
> On Fri, Nov 1, 2019 at 11:34 AM Komal Mariam <komal.mar...@gmail.com>
> wrote:
>
>> Hi all,
>>
>> I'm trying to create a MapState<Integer, Tuple3<Set<String>,
>> Set<String>, List<myClass>>> for KeyedBroadcastProcessFunction but I'm
>> not sure how to initialize its MapStateDescriptor.
>>
>> I have written it in two ways as given below and my IDE isn't showing an
>> error either way (haven't tested on runtime yet).
>>
>> I'd really appreciate if anyone can tell me which way is correct and if
>> not what's the best way to give Type Hints for Tuple3<Set<String>,
>> Set<String>, List<myClass>>
>>
>> myClass is POJO type.
>>
>> Code Snippet 1:
>>
>> private final MapStateDescriptor<Integer, Tuple3<Set<String>,
>> Set<String>, List<myClass>>> outStateDesc =
>> new MapStateDescriptor<>(
>> "neighbours",
>> BasicTypeInfo.INT_TYPE_INFO,
>> new TupleTypeInfo<>(TypeInformation.of(new
>> TypeHint<Set>() {}),
>> TypeInformation.of(new TypeHint<Set>()
>> {}),
>> new ListTypeInfo<>(myClass.class)));
>>
>>
>>
>> Code Snippet 2:
>> private final MapStateDescriptor<Integer, Tuple3<Set<String>,
>> Set<String>, List<myClass>>> outStateDesc =
>> new MapStateDescriptor<>(
>> "neighbours",
>> BasicTypeInfo.INT_TYPE_INFO,
>> TypeInformation.of(new
>> TypeHint<Tuple3<Set<String>, Set<String>, List<myClass>>>(){}));
>>
>>
>> Best Regards,
>> Komal
>>
>
>
> --
> Best, Jingsong Lee
>
--
Best, Jingsong Lee
