BaseRepository.java

public interface BaseRepository<T,I> {
    List<T> findAll();
    T findById(I id);

    boolean create(T r);
    boolean update(T r);
    boolean delete(T r);
    boolean deleteAll();
   
    void bathCreate(List<T> objectList);
    void bathUpdate(List<T> objectList);
    void bathDelete(List<T> objectList);

    boolean isEmpty();
    long count();

    boolean doesTableExists();
}