smaller-grained services-those that help realize the higher level of services-are identified by examining the existing legacy functionality and deciding how to create adaptors and wrappers, or componentizing the legacy to externalize the desired functionality often locked within the system 小粒度的服務(wù)--這些可以幫助實(shí)現(xiàn)高級別的服務(wù)--通過檢查遺留功能性和決定如何創(chuàng)建適配器、封裝器,或者組合遺留系統(tǒng)來具體化系統(tǒng)內(nèi)經(jīng)常調(diào)用的期望功能性可以來鑒別。