Annotation trong Doctrine 2

/**
 * @Assert\\NotBlank()
 */

/**
 * @Assert\\Choice(
 *     choices = { "male", "female" },
 *     message = "Choose a valid gender."
 * )
 */

/**
 * @Assert\\Choice({"male", "female"})
 */

/**
 * @Assert\\NotBlank()
 * @Assert\\Length(min = "3")
 */

/**
 * @Assert\\True(message = "The password cannot match your first name")
 */
public function isPasswordLegal() { // return true or false }

/**
 * @Assert\\Email(groups={"registration"})
 */
private $email;

/**
 * @Assert\\NotBlank(groups={"registration"})
 * @Assert\\Length(min=7, groups={"registration"})
 */
private $password;

/**
 * @Assert\\Length(min = "2")
 */
private $city;