`TimedRecord.java`
`01 package trail.entity.beans; 02 03 import javax.persistence.*; 04 import java.sql.Timestamp; 05 import java.io.Serializable; 06 07 @Entity 08 @DiscriminatorValue (value="T") 09 public class TimedRecord extends Record 10 implements Serializable { 11 12 private Timestamp ts; 13 14 public TimedRecord () { } 15 16 public TimedRecord (Fund fund, Investor investor, 17 double saving, double result, 18 Timestamp ts) { 19 this.fund = fund; 20 this.investor = investor; 21 this.saving = saving; 22 this.result = result; 23 this.ts = ts; 24 } 25 26 public Timestamp getTs () { 27 return ts; 28 } 29 30 public void setTs (Timestamp ts) { 31 this.ts = ts; 32 } 33 34 }`