UserRepository.java

package io.github.jhipster.sample.repository;

import io.github.jhipster.sample.domain.User;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.mongodb.repository.MongoRepository;
import java.util.List;
import java.util.Optional;
import java.time.Instant;

/**
 * Spring Data MongoDB repository for the User entity.
 */
public interface UserRepository extends MongoRepository<User, String> {

    Optional<User> findOneByActivationKey(String activationKey);

    List<User> findAllByActivatedIsFalseAndCreatedDateBefore(Instant dateTime);

    Optional<User> findOneByResetKey(String resetKey);

    Optional<User> findOneByEmail(String email);

    Optional<User> findOneByLogin(String login);

    Page<User> findAllByLoginNot(Pageable pageable, String login);
}