@Entity
@Table(name = "CIO_HUMANRESOURCES")
public class CIOHumanResources implements Serializable {
   private static final long serialVersionUID = 1L;

   @EmbeddedId
   private CIOHumanResourcesPK pk;

   @Column(name = "SCENARIO")
   private String scenario;

   @Column(name = "CREATOR_USER_ID", updatable = false, insertable = true)
   private String creatorUserID;

   @Column(name = "MODIFIER_USER_ID")
   private String modifierUserID;

   @Column(name = "CREATED_DATE", updatable = false, insertable = true)
   private Timestamp createdDate;

   @Column(name = "MODIFIED_DATE", updatable = true, insertable = true)
   private Timestamp modifiedDate;

   @OneToMany(mappedBy = "resources", fetch = FetchType.EAGER)
   @Fetch(FetchMode.SUBSELECT)
   @BatchSize(size = 200)
   private Set<CIOHumanResourcesApps> hrApps;
.....

}

Child

@Entity
@Table(name = "CIO_HUMANRESOURCES_APPS")
public class CIOHumanResourcesApps implements Serializable {

   private static final long serialVersionUID = 1L;

   @Id
   @Column(name = "APP_ID")
   private String id;
   @Column(name = "APP_TYPE")
   private String appType;
   @Column(name = "SVP_NAME")
   private String svp;
   @Column(name = "APP_VALUE")
   private String appValue;

   @ManyToOne
   @JoinColumns({ @JoinColumn(name = "MONTH", nullable = false),
         @JoinColumn(name = "QUARTER", nullable = false),
         @JoinColumn(name = "YEAR", nullable = false) })
   private CIOHumanResources resources;
....
}
}