Friday, 29 December 2006

The "message bound" command pattern

How can a server dynamically handle all incoming requests without performance drawback ?

I'd been searching for a satisfactory solution to that problematic since a long time... After I recently found one, I decided to document it as a Pattern:


The "message bound" Command pattern
"A controller that dynamically handles all incoming requests without performance drawback."

Reflection is useful and more elegant than static conditional logic to decide which command a server Front Controller should run from a given message/request.

Compares to the static implementation, reflection significantly improves the productivity of the development each time we need to add a new kind of message or request type to handle.

However, this elegance has a cost named performance… The "message bound" command pattern purpose is to solve this performance drawback.

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