StudentServiceImpl.java

package com.krunal.reactive.service;

import com.krunal.reactive.model.Student;
import com.krunal.reactive.repository.StudentRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

@Transactional
@Service
public class StudentServiceImpl implements StudentService {

    @Autowired
    StudentRepository studentRepository;

    @Override
    public Mono<Student> saveStudent(Student student) {
        return studentRepository.save(student);
    }

    @Override
    public Mono<Student> getStudent(Long id) {
        return studentRepository.findById(id);
    }

    @Override
    public Flux<Student> getStudents() {
        return studentRepository.findAll();
    }
}