Client/Server Architectures and Data Transfer Objects
Explore the concepts of client/server architectures, data transfer objects (DTOs), and avoiding code duplication between models and DTOs in software development. Learn how these components facilitate communication, data transfer, and efficient operations within applications.
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Presentation Transcript
Client Architecture User Interface Communication Facades/Services Client Model
Client/Server Architecture User Interface Communication Communication Data Persistence Facades/Services Facades/Services Client Model Server Model
Data Access Objects Data Persistence DAO Interface DAO Interface DAO Interface DAO Interface DAO Implementation 1 DAO Implementation 2 DAO Implementation 3
Data Tranfer Objects (DTOs) Data-only classes used to move (or transfer ) data from point A to point B in an application Moving data into and out of the Data Persistence subsystem Create, Update, Delete: DTOs passed into DAOs Read: DTOs passed out of DAOs Transferring data between client and server (typically over a network) Web API parameters Web API results
Data Transfer Objects Data Persistence Data Transfer Objects DTO DAO Interface DTO DTO DAO Interface DAO Interface DAO Interface DAO Implementation 1 DAO Implementation 2 DAO Implementation 3
Client/Server Architecture COM Impl User Interface COM Impl User Interface DAO Impl COM DTOs COM Interfaces DAO DTOs Facades / Services Facades / Services COM Interfaces DAO COM DTOs Interfaces Client Model Client Model
Models vs. DTOs DTO Model Properties / Data Properties / Data Operations / Methods
Avoiding Code Duplication between Models and DTOs Model DTO Properties / Data Operations / Methods
