Hi, The Key is not available directly to a user function? You would have to use within that function the same code that you use for your KeySelector.
Best, Aljoscha > On 26. Aug 2017, at 10:01, Alexis Gendronneau <a.gendronn...@gmail.com> wrote: > > Hi all, > > I am looking to customize a sink behaviour based on tuple key. > > My goal is to have each sink partition to write to a specific output. > > My job will be something like : > > input -> keyBy() -> outputSink > > This output should be something like './base/path/keyValue/....'. > > But I was not able to find where key value is stored, could you help me to go > the right way :) > > -- > Alexis Gendronneau > > alexis.gendronn...@corp.ovh.com <mailto:alexis.gendronn...@corp.ovh.com> > a.gendronn...@gmail.com <mailto:a.gendronn...@gmail.com>