Architecture & LLD Preview
Chain of Responsibility Pattern
Pass requests along a chain of handlers. Each handler decides to process the request or pass it to the next node.
Chain of Responsibility links independent handler classes in a sequential pipeline, passing unhandled tasks down the line.
Core Design Challenge
"How do we route customer tickets through support tiers without writing nested conditional branching statements?"
What You'll Learn:
- ✦Passing requests sequentially along a chain of handlers
- ✦Allowing handlers to decide whether to process or pass a request
- ✦Adding, removing, or reordering handlers dynamically
- ✦Decoupling senders from receivers by having a single entry point