VendingMachine

REQUIREMENTS

This vending machine which vends products based upon four (4) denominations of coins and returns coins if there is no item.

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The initial plan

Java SE application Swing Desktop GUI

Design State Machine design pattern for different vending machine states

Factory Design pattern to allow different vending machine implementations

TESTING Junit for testing

DATA RESOURCES A file based datasource that can be updated via uploading a Json file with available products and coin denominations.

PROBLEMS Identified during the POC

• not up to the latest tech standards, ioT, NFC, Mobile payments etc

The second plan(smart Vending Machine)

Tech

Java EE 7 Glassfish Server MySQL DB JPA Servlet (API)

Clients Angular 5 web App Android native App

THE BIG PICTURE

ioT vending maching

• can auto order products based on availability in the inventory
• location based services and/or
• can be remotely updated with new product prices

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SOLUTIONS

OLD ABONDONED IMPLEMENTATION

This is an exclipse project Run unit tests to test the system. The GUI was not completed.

https://github.com/ItuT/VendingMachine/tree/master/VendingMachine

NEW DESIGN

BACK-END

DATASOURCE

https://github.com/ItuT/VendingMachine/blob/master/db.json

NB: Takes about a minute to update the server after changes are made to db.json file. Its accessed through https://my-json-server.typicode.com/itut/vendingmachine

APPLICATION

Source Code https://github.com/ItuT/VendingMachine/tree/master/VendingMachineApp

API link http://vendingmachineapp-env.g4pqirigky.eu-west-2.elasticbeanstalk.com/

CLIENTS

WEB-APP client

Source Code https://github.com/ItuT/VendingMachine/tree/master/smart-vending-machine

Access the running version on this link:

http://smartvendingmachine.s3-website-eu-west-1.amazonaws.com/

ANDROID Client

Not implemented