Thanks a lot! On Sat, 11 Apr 2020 at 20:45, Seth Wiesman <sjwies...@gmail.com> wrote:
> If the type information for T is stored in a member variable called > myTypeInfo you can do something like this. > > import org.apache.flink.api.common.typeinfo.Types; > > Types.TUPLE(Types.LONG, myTypeInfo); > > Seth > > On Apr 11, 2020, at 11:06 AM, Laurent Exsteens < > laurent.exste...@euranova.eu> wrote: > > > Hello, > > I have a generic ProcessFunction using list state, for which I receive the > type information as constructor parameter (since it is not possible to > create the type information in the class due to type Erasure). > > I now need to keep not only the data, but also the timestamp at which they > appear. But I don't find a way to create a list state of Tuple2<long, T> > (where T is the generic type, for which I receive the type information as > parameter. > > I would like to create that state descriptor getting only those > informations (in order to keep the interface of the class simple. > > Right now I manage by creating 2 state: one for T and one for Long. > > But I wonder if I could create that composite state,. For exemple n'y > composing the type informations, but I didn't find a way to do that. > > Any other idea is also welcome. > > Thanks in advance. > > Regards, > > Laurent. > > ♻ Be green, keep it on the screen > > -- *Laurent Exsteens* Data Engineer (M) +32 (0) 486 20 48 36 *EURA NOVA* Rue Emile Francqui, 4 1435 Mont-Saint-Guibert (T) +32 10 75 02 00 *euranova.eu <http://euranova.eu/>* *research.euranova.eu* <http://research.euranova.eu/> -- ♻ Be green, keep it on the screen