LuTiao Programming

Mar 24, 2026 · Backend Development

10 Years In, I Discovered Spring Boot + Decorator Pattern for Elegant Extension

After years of piling logging, caching, and security directly into Spring Boot services, the author shows how applying the Decorator pattern—implemented via dedicated @Service beans and @Primary/@Qualifier wiring—creates a clean, extensible chain that respects the Open/Closed Principle, while outlining practical steps, trade‑offs, and pitfalls.