Laying down the foundations with an SDK
The first step is to implement the classes that will be shared between our application and the workers. To do so, we are going to rely on a custom SDK. If you need to refresh your memory about this technique, take a look at Chapter 8, Animations-- It's Alive, Alive!.
As a reminder, here is the diagram describing the SDK:
Let's describe the job of each of these components:
Messagecomponent encapsulates a piece of information that is exchanged between the application and the worker
JobRequestcomponent contains the necessary information to dispatch a proper job to a worker
JobResultcomponent contains ...