11. Persistence
SCA is not intended to be a platform technology. By “platform technology,” we mean a technology such as Java EE and .NET designed to cover all application development needs, from the user interface (or interfaces) to long-term data storage. Rather, SCA is concerned with what is typically referred to as the “middle-tier”: the code that comprises the bulk of an application’s processing logic.
All but the most trivial applications require some form of persistence, most commonly to a relational database; many applications also require some form of user interface. SCA does not offer its own set of solutions for the presentation and persistence tiers. Instead, the goal of the SCA authors was to make it easy to integrate with existing ...
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