What are ways to keep hashCode/equals consistent with the business definition of the class?

Question

Object javadocs and Josh Bloch tell us a great deal about how hashCode/equals should be implemented, and good IDEs will handle fields of various types correctly. Some discussio

Answer 1

A potential answer seems to be offered in this question.

I haven't looked into Project Lombok much, but I immediately thought, hmm annotations would work with a code generator.