Weekly Dev Tips

Data Transfer Object Tips (Part 2) One classification of objects in many applications is the Data Transfer Object, or DTO. Here are some more tips that may help you avoid problems when using these objects. Sponsor - DevIQ Thanks to DevIQ for sponsoring this episode! Check out their list of available courses and how-to videos. Show Notes / Transcript Last week we talked about the definition of a DTO and how they're typically used. This week we'll cover a few more common problems with them and offer some Dos and Don'ts. Mapping and Factories It's fairly common to need to map to a DTO and another type, such as an entity. If you're doing this in several places, it's a good idea to consolidate the mapping code in one place. A static factory method on the DTO is a common approach to this. Note that this isn't adding behavior to the DTO, but rather is just a static helper method that we're putting on the DTO type for organizational purposes. I usually name such methods with a From prefix, such as FromCustomer(Custom