Low Level Design & OOP
Design Undo Delete for Shared Collections
Asked by:Postman
object_modelingstate_managementinterfacesconcurrency
Problem Overview & Object Oriented Requirements
Model soft deletion, bounded retention, authorized restoration, and final expiry for shared collections.
Design Principles: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion (SOLID).
Topics & Patterns: object_modeling, state_management, interfaces, concurrency.
Class Design Breakdown
1. Identify Core Entities
List primary objects, state enums, value objects, and domain controllers.
2. Class Relationships
Define inheritance, composition, aggregation, and interface abstractions.
3. Apply Design Patterns
Incorporate Strategy, Factory, Observer, State, or Decorator design patterns.
4. Concurrency & Extensibility
Handle thread locks, synchronization, and future extensions cleanly.