…the whole business process can be divided into smaller asynchronous sub-processes with each one feeding i.e. “piping” its output into the input of the subsequent process(es). At each stage some processing is done for e.g. data enriching, filtering etc and this processing generically is termed as a “filter”.
Strangler pattern is a way of migrating from legacy applications to new ones with both being operational at the same time and the upgrade happening behind the scenes gradually.
Its often assumed that legacy code should not be refactored because no one knows what worms are hidden in that can and what kind of monstrous bugs will be unleashed … Continue reading Making Legacy Code More S.O.L.I.D