not sure about what you are trying to achieve but you have some callbacks (from memory) on the spout like open(), activate/passivate.
hope that helps. On Sat, Sep 5, 2015 at 11:28 AM, Ferenc Turi <[email protected]> wrote: > Hi, > > Is there a chance to catch the start / finish time of a topology? > > I tried to find a Topology Listener but I could not have found anything. > > Thanks, > > Ferenc >
