예제로 배우는 스프링 프레임워크 입문 - 스프링 PSA

PSA (Potable Service Abstraction) 소개 환경의 변화와 관계없이 일관된 방식의 (코드 유지) 기술로의 접근 환경을 제공하려는 추상화 구조 Service Abstraction https://en.wikipedia.org/wiki/Service_abstraction Service abstraction - Wikipedia Service abstraction is a design principle that is applied within the service-orientation design paradigm so that the information published in a service contract is limited to what is required to effectivel..