Module no.ntnu.principes

Package no.ntnu.principes.repository

Interface BaseRepository<T,I>

Type Parameters:

T - The entity type this repository manages

I - The type of the entity's identifier

All Known Implementing Classes:

AbstractRepository, ConfigValueRepository, MemberRepository, PointsRepository, TaskAssignmentRepository, TaskRepository

public interface BaseRepository<T,I>

Defines core data access operations for entity persistence. Provides standard CRUD methods that all repositories must implement.

Method Summary

Modifier and Type	Method	Description
void	deleteById(I id)	Removes an entity from the database.
List<T>	findAll()	Retrieves all entities of the managed type.
Optional<T>	findById(I id)	Finds an entity by its identifier.
T	save(T entity)	Persists an entity to the database.

Method Details

findById

Optional<T> findById(I id)

Finds an entity by its identifier.

Parameters:

id - The entity identifier

Returns:

An Optional containing the found entity or empty if not found

findAll

List<T> findAll()

Retrieves all entities of the managed type.

Returns:

A list of all entities

save

T save(T entity)

Persists an entity to the database. Creates a new record if the entity has no ID, otherwise updates the existing record.

Parameters:

entity - The entity to save

Returns:

The saved entity with any database-generated values (like ID) populated

deleteById

void deleteById(I id)

Removes an entity from the database.

Parameters:

id - The identifier of the entity to delete