Active Record Pattern
One of the available patterns that can be used with an O/RM and a domain model is the Active Record (AR) pattern. The principal requisites of this pattern are: the domain entity represents a table of the database with a one to one relationship; the domain entity exposes the properties of the corresponding database table, and the Create, Read, Update, and Delete (CRUD) commands and foreign keys relationship are exposed with object references. Listing 6-1 show a pseudo-code version of the Active Record implementation.
Listing 6-1. Sample Active Record Pattern Code
Customer customer = new Customer();
customer.FirstName = "Raffaele";
customer.LastName = "Garofalo";
customer.Save();
The code creates a new object AR of type ...
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