@Target(value={METHOD,FIELD})
 @Retention(value=RUNTIME)
public @interface Transient

Specifies that the property or field is not persistent. It is used to annotate a property or field of an entity class, mapped superclass, or embeddable class.

 Example:
 @Entity
 public class Employee {
 @Id int id;
 @Transient User currentUser;
 ...
 }