There's configurability by configuration, and configurability by composition. Yo...

		cachemoney on Jan 26, 2011 \| parent \| context \| favorite \| on: How (not) to write Factorial in Java There's configurability by configuration, and configurability by composition. You can have a LoggingQuery(TimeoutQuery(Query())) or a EverythingQuery(timeout = true, logging = true). From what I've seen, @nk loves composition.