Hi Jorg, The transform/transformValues/process operators are not inherently stateful. They *can* be stateful if you choose to connect a statestore, but otherwise they are stateless and in your case, most likely what you want to use.
Cheers, Sophie On Thu, Jul 4, 2019 at 2:51 AM Jorg Heymans <jheym...@apache.org> wrote: > Hi, > > I understand that it's currently not possible to access message headers > from the filter() DSL operation, is there a semantically equivalent > (stateless) operation that can achieve the same result ? I understand that > transform(), transformValues() and process() could achieve the same result > but they are stateful. > > Thanks, > Jorg > > >