package com.example.nto.service.impl; import com.example.nto.entity.Employee; import com.example.nto.repository.EmployeeRepository; import com.example.nto.service.EmployeeService; import lombok.RequiredArgsConstructor; import org.springframework.stereotype.Service; import java.util.Optional; @Service @RequiredArgsConstructor public class EmployeeServiceImpl implements EmployeeService { private final EmployeeRepository employeeRepository; @Override public boolean existsByCode(String code) { return employeeRepository.existsByCode(code); } @Override public Optional findByCode(String code) { return employeeRepository.findByCode(code); } }