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
