Refactoring for Observables and Writers
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This document contains the class diagrams for the various classes that relate to reading and writing to PVs. It also shows how the design has been evolved and refactored over time.
NOTE: PairObservable is not depicted for clarity.
After refactoring the two existing interfaces were combined into a single Observer interface, and ObservableAdapter was renamed.
After refactoring, the ForwardingWritable is passed a converter, which can either convert value or do nothing.
