reactor/reactor — pull request #161 by daschl (2013-08-13 14:03:22+00:00)
Title: Adding batching capabilities to the DelegatingConsumer.

This change makes it possible that (optinally) BatchConsumers
can be used as delegates. They will be notified of a batch
start and end if they are, and it will be silently ignored
if they are ordinary Consumers.