Country.java

package com.danielme.demo.springjpahib;

import java.util.Calendar;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.PrePersist;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

/**
 * Sample JPA entity.
 * @author danielme.com
 *
 */
@org.hibernate.annotations.Cache(usage = org.hibernate.annotations.CacheConcurrencyStrategy.READ_WRITE)
@Entity
@Table(name="countries")
public class Country
{
	 @Id
	 @GeneratedValue(strategy = GenerationType.AUTO)
	 private Long id;
	 
	 @Column(nullable = false, unique=true)
	 private String name;
	 
	 @Column(nullable = false)
	 private Integer population;
	 
	 @Column(updatable = false, nullable = false)
	 @Temporal(TemporalType.TIMESTAMP)
	 private Calendar creation;
	 
	 public Country()
	 {
		super();
	 }

	public Country(String name, Integer population)
	{
		super();
		this.name = name;
		this.population = population;
	}
	
	 @PrePersist
	 public void onPersist()
	 {
		 creation = Calendar.getInstance();
	 }

	public Long getId()
	{
		return id;
	}

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

	public String getName()
	{
		return name;
	}

	public void setName(String name)
	{
		this.name = name;
	}

	public Integer getPopulation()
	{
		return population;
	}

	public void setPopulation(Integer population)
	{
		this.population = population;
	}

	public Calendar getCreation()
	{
		return creation;
	}

	public void setCreation(Calendar creation)
	{
		this.creation = creation;
	}

}