State Management using Protocol-Oriented Programming + Generics

2023/07/22

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In this article, the author explores a convenient way to manage the state of an object using a protocol-oriented approach and generics. This approach is widely used in various industries and assumes that each object has predetermined states it can transition into.

The article provides an example to illustrate this concept. It also discusses possible positive and negative scenarios that need to be considered when designing the system. The author then goes on to explain the implementation of the cancellation/refund capability using the "Strategy" design pattern.

The article also covers the design of status visibility zones using a generic component of the order. It outlines the specific status changes that can occur based on certain conditions, such as successful payment or delivery of goods.

The author emphasizes the importance of following the pre-implemented routing for order movement and highlights that orders cannot bypass intermediate statuses unless allowed by the transition map.

Overall, this article offers valuable insights into state management using protocol-oriented programming and generics. It provides developers with a practical approach to handle object states and offers a useful example to understand the concept better.

For more information and project sources, refer to the article.