1. Object Encoder/Decoder
UserDao
PersonDao
EventDao
AuthTokenDao …
Object Encoder/Decoder
Encodes objects in JSON format
Decodes objects from JSON format
Data Access DB
register
RegisterResult register(RegisterRequest r)
Register Handler
Register Service
Main server class
Server
login
LoginResult login(LoginRequest r)
Login Handler
Login Service
User table
Person table
Event table
AuthToken table …
ClearResult clear()
Clear Handler
clear
Clear Service
Model
User
Person
Event
AuthToken …
Fill Handler
fill
FillResult fill(FillRequest r)
Fill Service
Web … …
Class that client app will use to call methods on the server
Server Proxy
RegisterResult register(RegisterRequest r)
LoginResult login(LoginRequest r)
ClearResult clear()
FillResult fill(FillRequest r) …