Documentation: FsmStateEnum.php

Original file: src/Fsm/Contracts/FsmStateEnum.php

FsmStateEnum Documentation

Table of Contents

• Introduction
• Methods
  • displayName
  • icon

Introduction

The FsmStateEnum.php file defines the FsmStateEnum interface, which serves as a contract for all state enums used within a Finite State Machine (FSM) in the application. This interface mandates that any concrete implementation must represent a string-backed enum, thereby providing a standardized way to define FSM states with associated properties and methods.

By adhering to this interface, developers can ensure consistency across different state enum implementations, leveraging the shared methods for better interoperability within the FSM framework. Enums that implement this interface should encapsulate the state string values and provide additional information such as display names and icons associated with each state.

Methods

displayName

public function displayName(): string;

Purpose

The displayName() method is intended to provide a human-readable representation of the enum state. This can be particularly useful for UI presentations, logging, or debugging.

Parameters

This method does not take any parameters.

Return Value

• Type: string
• Description: Returns the display name of the enum state which is often a more descriptive version of the state value.

Functionality

The concrete implementation of this method should return a string that succinctly describes the state represented by the enum. For example, if the state is ACTIVE, the displayName() might return "Active State".

icon

public function icon(): string;

Purpose

The icon() method is meant to provide an icon representation associated with the state. This can be used in UI displays to visually represent the state.

Parameters

This method does not take any parameters.

Return Value

• Type: string
• Description: Returns a string that represents the icon's file path or CSS class name for the enum state, which can be used to render an icon in a user interface.

Functionality

The concrete implementation will return a string that corresponds to an icon related to the specific state. For example, if a state represented is INACTIVE, the icon method might return "/icons/inactive.png" or a CSS class such as "icon-inactive".

Conclusion

The FsmStateEnum interface provides a clear and functional contract for developers implementing state enums in a Finite State Machine context. By defining required methods like displayName() and icon(), developers can ensure that their enum states not only contain identifiable values but also facilitate understanding and interaction through user interfaces.

All implementations of this interface must adhere to these specifications, ensuring cohesive behavior across different parts of the system involving finite states.