Modular J2EE, Using Spring DM, Zk and EclipseLink

package com.cp.adrabi.jln.model;

import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.validation.constraints.Pattern;
import javax.validation.constraints.Size;

/**
 * Todo entity from http://www.vogella.de/articles/JavaPersistenceAPI/article.html 
 * 
 * @author ADRABI Abderrahim (z3vil)
 * @author Lars Vogel
 *
 */
@Entity
public class Todo implements Serializable
{
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private Long id;
	
	@Size(min=10, max=100)
	@Pattern(regexp="^#[\\w+\\s]+")
	private String summary;
	
	@Size(min=10, max=500)
	private String description;

	public Long getId()
	{
		return id;
	}
	
	public String getSummary()
	{
		return summary;
	}

	public void setSummary(String summary)
	{
		this.summary = summary;
	}

	public String getDescription()
	{
		return description;
	}

	public void setDescription(String description)
	{
		this.description = description;
	}

	@Override
	public String toString()
	{
		return "Todo [summary=" + summary + ", description=" + description
				+ "]";
	}
}