Genormous framework in the Java library

The technical principles of Genormous framework in the Java library Genormous is an open source framework for handling the general field objects in the Java library.It aims to simplify the process of data access and persistence, and provide a flexible and easy -to -expand way to handle the field objects. 1. The abstraction of the data access layer Genormous provides the relationship between business logic and data persistence by providing the abstraction of the data access layer.Genormous provides a unified way to access and operate data by defining the interfaces of the targets and the implementation of these interfaces. The following is an example that shows how to use Genormous's data access layer abstraction to operate a field object called "user": public interface UserRepository { User findById(int id); void save(User user); void delete(User user); } public class User { private int id; private String name; // omit other attributes and methods } public class UserRepositoryImpl implements UserRepository { @Override public User findById(int id) { // Implement specific query logic } @Override public void save(User user) { // Realize specific preservation logic } @Override public void delete(User user) { // Implement specific deletion logic } } 2. ORM (object relationship mapping) The Genormous framework implements the mechanism of the object relationship mapping (ORM), which manages the mapping relationship between the Java object and the relationship database.By using annotations or configuration files, developers can mappore the field objects and database tables to achieve durable and retrieval of data. The following is an example that shows how to use the ORM function of Genormous to map a field object called "User" to the database table: @Component @Table(name = "users") public class User { @Id @Column(name = "id") private int id; @Column(name = "name") private String name; // omit other attributes and methods } 3. Affairs management Genormous provides transaction management mechanisms to ensure consistency and integrity when operating data.Developers can define a transaction by adding @transaction annotations to the method to ensure that related operations are executed in an independent transaction. The following is an example, showing how to use transaction management in Genormous: @Transaction public void performTransaction() { // Execute a series of data operations } By using Genormous, developers can focus more on the implementation of business logic without paying attention to the details of data access and persistence.The simple and flexible design of Genormous makes it a powerful framework for developing the general field objects in the development of the Java class library. It is hoped that this article can help understand the technical principles of the Genormous framework in the Java class library. If you have any questions, please ask questions at any time.