If HiveMind (or an aproach like it) is used to do the chain, then I can easily add interceptors, and alterantice idea for consideration
I found this very educational: http://jakarta.apache.org/~hlship/HiveMind.ppt
... and based on that I made a "leap", that, hey, we can intercept the flow. A bit of AOP.
(There are some other ideas in there, like code to the interface "contract")
.V
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