Is it a Value Object or an #entity ?
▻https://hackernoon.com/is-it-a-value-object-or-an-entity-2d3e29d5367f?source=rss----3a8144eabfe
When things are not clear, you only need to ask the right questions.So many Value Objects! Or are they Entities?Imagine you enter a library to borrow a book.What would you typically do is to ask for the book by its title and author.The library employee checks the inventory and finds two available physical copies of the book.Can we say that those two copies represent the same thing? Yes and no.For you as a library customer, whether the employee would give you one or the other of the available copies won’t make any difference.In your perspective, the physical copy is a Value Object.But as a library employee, having two copies of the same book is a complete different story. She needs to know exactly when each copy was acquired, to whom it was lended, in which bookshelf is it stored.In her (...)
#value-object-or-entity #software-development #value-objects #software-architecture