bitmask

Code Ape Tech Column

Apr 6, 2023 · Backend Development

Applying the Open‑Closed Principle and Bitmask Design for Extensible System Architecture

The article explains the six SOLID design principles, emphasizes the importance of the Open‑Closed principle, and demonstrates how to achieve extensible database schemas and APIs using type fields, extendable JSON columns, bitmap role encoding, and strategy/template patterns with concrete Java code examples.