@Entity
@Table(name = DataBaseConstants.ANSWER_TABLE, catalog = DataBaseConstants.DBCATALOG, schema = "")
@XmlRootElement
@Access(AccessType.PROPERTY)
public class Answer {
        @Id
   @GeneratedValue(strategy = GenerationType.IDENTITY)
   @Column(name = DataBaseConstants.ANSWER_ID, nullable = false, updatable = false,            insertable = false)
   public Long getAnswer_id() {
      return answer_id;
   }

        @Version
   @Column(name = "OPTLOCK")
   public Long getVersion() {
      return version;
   }
       @Size(max = 21000)
   @Column(name = "content", columnDefinition = "VARCHAR")
   public String getContent() {
      return content;
   }

   @NotNull(message = "{Post_rate_notnull}")
   @Column(name = "rate")
   public Integer getRate() {
      return rate;
   }

   @NotNull(message = "{Post_date_notnull}")
   @Temporal(TemporalType.TIMESTAMP)
   @Column(name = "[PUBLISH_DATE]")
   public Date getPublish_date() {
      return publish_date;
   }
       @NotNull
   @ManyToOne(fetch = FetchType.LAZY)
   @JoinColumn(name = "topic", referencedColumnName = "topic_id", nullable = false)
   public Topic getTopic() {
      return topic;
   }
       @NotNull
   @ManyToOne(fetch = FetchType.LAZY)
   @JoinColumn(name = "user", referencedColumnName = "user_id")
   @NotFound(action = NotFoundAction.IGNORE)
   public JuniorUser getUser() {
      return user;
   }

currentSession().load(Answer.class,1);