User model

User.php

<?php
namespace Condominio\SystemBundle\Domain\Entity;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 * @ORM\Table(name="tb_user")
 */
class User 
{
	/**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer", name="id_user")
     */
	protected $id;

	/**
     * @ORM\Column(type="string", name="st_firstname")
     */
	protected $firstName;
	
	/**
     * @ORM\Column(type="string", name="st_lastname")
     */
	protected $lastName;
	
	public function __construct( $firstName, $lastName = '' ) {
		
		if( empty( $firstName ) ){
			throw new InvalidArgumentException( 'Please, inform the user\'s first name ' );
		}
		
		$this->firstName 	= $firstName;
		$this->lastName 	= $lastName;
	}
	
	public function getFullName() {
		return $this->firstName .' '. $this->lastName;
	}
}