package com.lyubenblagoev.postfixrest.entity;

import java.util.Date;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedDate;

@MappedSuperclass
public class BaseEntity {

	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private Long id;

	private boolean enabled;
	
	@CreatedDate
	private Date created;
	
	@LastModifiedDate
	private Date updated;

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public boolean isEnabled() {
		return enabled;
	}

	public void setEnabled(boolean enabled) {
		this.enabled = enabled;
	}

	public Date getCreated() {
		return created;
	}

	public void setCreated(Date created) {
		this.created = created;
	}

	public Date getUpdated() {
		return updated;
	}

	public void setUpdated(Date updated) {
		this.updated = updated;
	}

}

package com.lyubenblagoev.postfixrest.entity;

import java.util.Date;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

@MappedSuperclass
public class BaseEntity {

	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private Long id;

	private boolean enabled;
	
	@Temporal(TemporalType.TIMESTAMP)
	private Date created;
	
	@Temporal(TemporalType.TIMESTAMP)
	private Date updated;

	@PrePersist
	public void onPrePersist() {
		this.created = new Date();
	}

	@PreUpdate
	public void onPreUpdate() {
		this.updated = new Date();
	}

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public boolean isEnabled() {
		return enabled;
	}

	public void setEnabled(boolean enabled) {
		this.enabled = enabled;
	}

	public Date getCreated() {
		return created;
	}

	public void setCreated(Date created) {
		this.created = created;
	}

	public Date getUpdated() {
		return updated;
	}

	public void setUpdated(Date updated) {
		this.updated = updated;
	}

}

Fix automatic update for the 'created' and 'updated' fields