azizkale

package com.kale.hibernatetutorial.service;

import com.kale.hibernatetutorial.dao.EmployeeRepository;
import com.kale.hibernatetutorial.exception.EmployeeNotFoundException;
import com.kale.hibernatetutorial.model.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

azizkale

package com.kale.hibernatetutorial.dao;

import com.kale.hibernatetutorial.model.Employee;
import jakarta.persistence.EntityManager;
import jakarta.persistence.PersistenceContext;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository

azizkale

package com.kale.hibernatetutorial.controller;

import com.kale.hibernatetutorial.exception.EmployeeNotFoundException;
import com.kale.hibernatetutorial.exception.InternalServerException;
import com.kale.hibernatetutorial.model.Employee;
import com.kale.hibernatetutorial.service.EmployeeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

azizkale

package com.kale.hibernatetutorial.exception;

import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
public class InternalServerException extends RuntimeException {
    public InternalServerException(Throwable cause) {
        super(cause);
    }

azizkale

package com.kale.hibernatetutorial.exception;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(HttpStatus.NOT_FOUND)
public class EmployeeNotFoundException extends RuntimeException{
    public EmployeeNotFoundException(String message) {
        super(message);
    }
}

azizkale

package com.kale.hibernatetutorial.model;
import jakarta.persistence.*;

@Entity
@Table(name="employee")
public class Employee {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column
    private Integer id;

azizkale

package com.kale.hibernatetutorial.service;
import com.kale.hibernatetutorial.model.Employee;
import java.util.List;

public class EmployeeServiceImpl implements EmployeeService {
    @Override
    public List<Employee> findAll() {
        return null;
    }

azizkale

package com.kale.hibernatetutorial.service;
import com.kale.hibernatetutorial.model.Employee;

import java.util.List;

public interface EmployeeService {
    List<Employee> findAll();
    Employee findById(int id);
    void create(Employee employee);
    void delete (int id);

azizkale

package com.kale.hibernatetutorial.dao;
import com.kale.hibernatetutorial.model.Employee;
import java.util.List;

public class EmployeeRepositoryImpl implements EmployeeRepository {
    @Override
    public List<Employee> findAll() {
        return null;
    }

azizkale

package com.kale.hibernatetutorial.dao;
import com.kale.hibernatetutorial.model.Employee;
import java.util.List;

public interface EmployeeRepository {
    List<Employee> findAll();
    Employee findById(int id);
    void create(Employee employee);
    void delete (int id);
    Employee update(Employee employee);