Discerning patterns in our features
Feature patterns are general, repeatable outlines or models of the way Feature is written or what it represents. Because patterns are repeated, we have learned to know the implications of applying (or not applying) specific patterns. Being able to discern patterns in our features means that we can anticipate potential problems and pre-empt them. It also means that we can choose to apply a pattern that is known to be beneficial, if conditions allow it. Let's examine the main feature patterns.
The CRUD Features pattern
CRUD stands for Create, Read, Update, Delete. It's a very common term in software engineering, used to denote generic read/write operations or behaviors. Let's imagine that we are developing a blogging system. We have outlined our impact map, as illustrated in the following figure:
Fig. 4.1 – A CRUD Feature
Our main capability is CREATE AND PUBLISH BLOG POSTS. This clearly involves...
