@Name("nmsNode")
    @Entity
    @Table(name="Nodes")
    public class NmsNode implements Serializable {
      private static final long serialVersionUID = 1462044144509159489L;
    
      private int id;
      private List<NmsInterface> interfaces;
    
      @Id
      @Column(name="NodeID")
      public int getId() {
        return id;
      }
    
      public void setId(int id) {
        this.id = id;
      }
    
      @OneToMany(mappedBy="node", fetch=FetchType.LAZY)
      public List<NmsInterface> getInterfaces() {
        return interfaces;
      }
    
      public void setInterfaces(List<NmsInterface> interfaces) {
        this.interfaces = interfaces;
      }
    }

@Name("nmsInterface")
    @Entity
    @Table(name="Interfaces")
    public class NmsInterface implements Serializable
    {
    
       private static final long serialVersionUID = 1L;
    
       private int id;
       private NmsNode node;
    
    
       @Id
       @Column(name="InterfaceID")
       public int getId()
       {
          return id;
       }
       public void setId(int id)
       {
          this.id = id;
       }
    
       @ManyToOne
       @JoinColumn(name="NodeID")
       public NmsNode getNode()
       {
          return node;
       }
       public void setNode(NmsNode node)
       {
          this.node = node;
       }
    }

@Entity
    @Table(name="InterfaceTraffic_Detail")
    @AssociationOverrides
       (
          {
               @AssociationOverride(name = "id.nmsInterface",
                     joinColumns = @JoinColumn(name = "InterfaceID"))
          }
       )
    public class InterfaceTraffic_Detail implements Serializable
    {
       private static final long serialVersionUID = 1L;
       private InterfaceTraffic_PrimaryKey id;
       private NmsNode nmsNode;
    
       @EmbeddedId
       @AttributeOverrides
       (
             {
                @AttributeOverride(name="id.dateTime", column=@Column(name="DateTime"))
             }
       )
       public InterfaceTraffic_PrimaryKey getId()
       {
          return id;
       }
       public void setId(InterfaceTraffic_PrimaryKey id)
       {
          this.id = id;
       }
       @ManyToOne
       @JoinColumn(name="NodeID")
       public NmsNode getNmsNode()
       {
          return nmsNode;
       }
       public void setNmsNode(NmsNode nmsNode)
       {
          this.nmsNode = nmsNode;
       }
    }

@Embeddable
    public class InterfaceTraffic_PrimaryKey implements Serializable
    {
       private static final long serialVersionUID = 1L;
       private NmsInterface nmsInterface;
       private Date dateTime;
    
       @ManyToOne
       public NmsInterface getNmsInterface()
       {
          return nmsInterface;
       }
       public void setNmsInterface(NmsInterface nmsInterface)
       {
          this.nmsInterface = nmsInterface;
       }
       public Date getDateTime()
       {
          return dateTime;
       }
       public void setDateTime(Date dateTime)
       {
          this.dateTime = dateTime;
       }
    
       public int hashCode() {
          return (int) dateTime.hashCode() + nmsInterface.getId();
      }
    
      public boolean equals(Object obj) {
          if (obj == this) return true;
          if (obj == null) return false;
          if (!(obj instanceof InterfaceTraffic_PrimaryKey)) return false;
          InterfaceTraffic_PrimaryKey pk = (InterfaceTraffic_PrimaryKey) obj;
          return pk.nmsInterface.getId() == nmsInterface.getId() && pk.dateTime.equals(dateTime);
      }
    }

private Date dateModified;
    
    @Version
    private Date getDateModified() {
      return dateModified;
    }
    private void setDateModified(Date dateModified) {
      this.dateModified = dateModified;
    }

private int version;
    private Date dateCreated;
    private Date dateModified;
    
    @NotNull
    public Date getDateCreated() {
      return dateCreated;
    }
    
    @Deprecated
    public void setDateCreated(Date dateCreated) {
      this.dateCreated = dateCreated;
    }
    
    @PrePersist
    public void updateDateCreated() {
      dateCreated = new Date();
      dateModified = dateCreated;
    }
    
    @NotNull
    public Date getDateModified() {
      return dateModified;
    }
    
    @Deprecated
    public void setDateModified(Date dateModified) {
      this.dateModified = dateModified;
    }
    
    @PreUpdate
    public void updateDateModified() {
      dateModified = new Date();
    }