Unleash the power of State Machines with a Practical example

Doradla Hari Krishna
Javarevisited
Published in
9 min readApr 21, 2024

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State Machine

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Introduction

I hope you know what an online shopping platform is. When you place an order, it goes through various stages like fraud checks on order, shipping ready process, assigning the delivery partner and many more before it’s delivered to your doorstep. How does the software responsible for this manage the end-to-end lifecycle seamlessly, ensuring each order moves from one stage to another correctly without missing a step behind the scenes? State machines are one of the best ways to implement the systems responsible for this. Let's dive in without further ado.

State Machine with an Order Processing System

  1. State machines are a crucial concept in software engineering, providing a robust framework for managing complex states within applications.
  2. In this article, we will explore the basic principles of state machines through a practical implementation involving an order processing system.
  3. A custom state machine framework is used in this tutorial to explain how to create and manage state transitions smoothly. It’s similar to the SpringBoot state…

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Doradla Hari Krishna
Javarevisited

Software Engineer who likes writing about tech concepts