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What is the function of a repository in Spring Data and what is the simplest possible implementation of a repository?

Pragya Keshap answered on February 17, 2023 Popularity 1/10 Helpfulness 1/10

answer What is the function of a repository in Spring Data and what is the simplest possible implementation of a repository?

What is the function of a repository in Spring Data and what is the simplest possible implementation of a repository?

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Spring Data repositories easily allow you to provide custom repository code and integrate it with generic CRUD abstraction and query method functionality.

public interface CrudRepository<T, ID extends Serializable>
    extends Repository<T, ID> {
                                                                                                                       (1)
    <S extends T> S save(S entity);
                                                                                                                       (2)
    T findOne(ID primaryKey);
                                                                                                                       (3)
    Iterable<T> findAll();

    Long count();
                                                                                                                       (4)
    void delete(T entity);
                                                                                                                       (5)
    boolean exists(ID primaryKey);
                                                                                                                       (6)
    // … more functionality omitted.
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: function implementation java repository spring-data

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Contributed on Feb 17 2023

Pragya Keshap

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What is the function of a repository in Spring Data and what is the simplest possible implementation of a repository?

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