JAVA JPA - Regular solution to persist all objects in project

JAVA JPA - Regular solution to persist all objects in project

I'm working on a backend which creates new user, news, various data etc.

I'm working on a backend which creates new user, news, various data etc.

So far I could create and persist a new User in the database. I think there will be many further entities also with relations. At this point I only see two way to persist the data:

  • create CreateXY, UpdateXY and DeleteXY classes
  • or code the persist method in each entity object

I think that is quiet redundant to write the persists again and again. Is there a nice way to go to persist objects in a nice way?

package database;

import java.util.logging.Level; import java.util.logging.Logger;

import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.EntityTransaction; import javax.persistence.Persistence;

import backend.User;

public class Main { private static final Logger LOGGER = Logger.getLogger("JPA");

public static void main(String[] args) {
    Main main = new Main();;

public void run() {
    EntityManagerFactory factory = null;
    EntityManager entityManager = null;
    try {
        factory = Persistence.createEntityManagerFactory("shareiffUnit");
        entityManager = factory.createEntityManager();
    } catch (Exception e) {
        LOGGER.log(Level.SEVERE, e.getMessage(), e);
    } finally {
        if (entityManager != null) {
        if (factory != null) {

private void persistPerson(EntityManager entityManager) {
    EntityTransaction transaction = entityManager.getTransaction();
    try {
        User person = new User();
    } catch (Exception e) {
        if (transaction.isActive()) {


package backend;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity @Table public class User {

private int id;
private String name;
private String password;
private Boolean isActive = false;

public int getId() {
    return id;
public void setId(int id) { = id;
public String getName() {
    return name;
public void setName(String name) { = name;
public String getPassword() {
    return password;
public void setPassword(String password) {
    this.password = password;
public Boolean isActive() {
    return isActive;
public void setActive(boolean isActive) {
    this.isActive = isActive;


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