leaky abstractionとは 意味・読み方・使い方

名詞

leaky abstraction (複数形 leaky abstractions)

1. (software engineering) An abstraction that undesirably exposes details and limitations of its underlying implementation.
   • 2015, Suhas Chatekar, Learning NHibernate 4, Packt Publishing Ltd, →ISBN, page 291:

     This is a classic case of leaky abstraction. Repository is supposed to abstract away any concerns around querying the database, but now what we are doing here is returning an IQueryable<T> to the consuming code and asking it to build the queries, thus leaking the abstraction that is supposed to be hidden into repository.