SOC 2 Composition 2 slide-16

A Simple Supply Chain Problem

CENTRA is a car company that needs the CD Player connected to a CD Dispenser connected to a power supply

Special power/control connection can only be disconnected by the company that made the connection.

Any company that makes a connection offers a disconnection service.

Each component has 2 ports for connections.

UNIBUS offers a service for connecting CD components

CENTRA has a service that can connect any CD component to the car chasis via a free port.

A shipping service can move components (connected components are also components) from company to company.

CARCDs offers a CD Dispenser

CDsR'Us offers a CD Player and a power supply

The workflow for this is easy to write, usually without preconditions and effects.