Agreed, there is no ambiguity. #2 will also allow the user to tune locality as there are no implicit streams as opposed to the unifier like approach.
On Wed, Nov 4, 2015 at 9:54 AM, David Yan <da...@datatorrent.com> wrote: > On Tue, Nov 3, 2015 at 9:57 PM, Thomas Weise <tho...@datatorrent.com> > wrote: > > > > > #2 will address that. But if an operator with the delay interface has > > multiple input ports, on which port will the engine perform the delay? > > Maybe we will need to validate that a delay operator can only have a > single > > input port? > > > > My understanding is that the engine performs the +1 delay on the input > ports of operators that are connected to output ports of delay operators. > So whether or not the delay operator has multiple input ports should not > matter. >
