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- What is a Data Transfer Object (DTO)? - Stack Overflow
DTOs are most commonly used by the Services layer in an N-Tier application to transfer data between itself and the UI layer The main benefit here is that it reduces the amount of data that needs to be sent across the wire in distributed applications They also make great models in the MVC pattern
- What is the point of using DTO (Data Transfer Objects)?
What is somewhat outdated is the notion of having DTOs that contain no logic at all, are used only for transmitting data and "mapped" from domain objects before transmission to the client, and there mapped to view models before passing them to the display layer In simple applications, the domain objects can often be directly reused as DTOs and
- DTOs: best practices - Stack Overflow
Transfering data using Dtos between "local" services is a good practice but have a huge overhead on your developer team There is some facts: Clients should not see or interact with Entities (Daos) So you always need Dtos for transferig data to from remote (out of the process) Using Dtos to pass data between services is optional If you don't
- java - O que é um DTO? - Stack Overflow em Português
DTO é um padrão de projeto usado para transportar dados de um local para outra na solução Muitas vezes esse transporte ocorre fora do processo da aplicação, se comunicando com servidor e cliente, entre servidores ou até outras partes da solução, mas nada impede que ocorra dentro do processo
- Why are data transfer objects (DTOs) an anti-pattern?
Instead of DTOs you should use the Aggregate and Repository Patterns, which separates the collection of objects and the data transfer To transfer a group of objects you can use the Unit Of Work pattern, that holds a set of Repositories and a transaction context; in order to transfer each object in the aggregate separately within the transaction
- When to use entity and when to use DTOs - Software Engineering Stack . . .
DTOs are used to transfer data, hence the name They encode the public representation of data This is typically the data you see in a service call specification DTOs must be easy to serialize and deserialize to transfer data over a network
- Why do we need DTOs and interfaces both in NestJS
DTOs sits in WEB UI (outer most) layer, while entities (or like you are referring to them as Interfaces) are in the core layer of the clean architecture It is a coincidence that you have them in pretty similar shape, most likely you have a small application and at this stage you will hardly see the value from this separation
- design patterns - In what layer are the DTOs stored with CQRS . . .
That means that DTOs are what gets passed to the infrastructure code that implements the commands and the queries at the boundary of the application Now, to control the dependencies between the layers, it is important to know which layer owns what (not where the objects are stored , but which layer defines and has the ownership of specific types)
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