public class OrderBookKey  implements Serializable {

	
	private static final long serialVersionUID = -1176849441366682537L;
	private BidOrder bidOrder;
	private AskOrder askOrder;
	
	public OrderBookKey()
	{
		
	}
	
	
	public BidOrder getBidOrder() {
		return bidOrder;
	}
	public void setBidOrder(BidOrder bidOrder) {
		this.bidOrder = bidOrder;
	}
	
	
	public AskOrder getAskOrder() {
		return askOrder;
	}
	public void setAskOrder(AskOrder askOrder) {
		this.askOrder = askOrder;
	}
	
	@Override
    public int hashCode() {
        return ((this.getBidOrder() == null ? 0 : this.getBidOrder().hashCode()) ^ (this.getAskOrder().hashCode()));
    }

    @Override
    public boolean equals(Object otherOb) {

        if (this == otherOb) {
            return true;
        }
        if (!(otherOb instanceof OrderBookKey)) {
            return false;
        }
        OrderBookKey other = (OrderBookKey) otherOb;
        return ((this.getBidOrder() == null
                ? other.getBidOrder() == null : this.getBidOrder()
                .equals(other.getBidOrder()))
                && (this.getAskOrder() == other.getAskOrder()));
    }
	
}

@IdClass(OrderBookKey.class)
@Entity
@Table(name="OrderBook")
@NamedQueries({
@NamedQuery(
    name="findAllOrderBooks",
    query="SELECT o FROM OrderBook o " +
          "ORDER BY o"
),
@NamedQuery(
	name="findOrderByBid",
	query="SELECT bo FROM BidOrder bo " + 
	"WHERE bo.member = :member"	
),

@NamedQuery(
		name="findOrderByAsk",
		query="SELECT ao FROM AskOrder ao " + 
		"WHERE ao.member = :member"	
	)
})


public class OrderBook implements java.io.Serializable {

	private static final long serialVersionUID = -5908845608956132632L;
	private char status;
	@Temporal(TIMESTAMP)
	private Date lastUpdate;
	private Integer amount;
	private AskOrder askOrder;
	private BidOrder bidOrder;
	  

	public OrderBook()
	{
		this.lastUpdate = new Date();
	}
	
	public OrderBook(Integer amount, BidOrder bidOrder, AskOrder askOrder)
	{
		this.lastUpdate = new Date();
		this.amount = amount;
		this.askOrder = askOrder;
		this.bidOrder = bidOrder;
	}
	  
	  
	public char getStatus() {
		return status;
	}
	public Date getLastUpdate() {
		return lastUpdate;
	}
	public void setLastUpdate(Date lastUpdate) {
		this.lastUpdate = lastUpdate;
	}
	public void setStatus(char status) {
		this.status = status;
	}
	
	public Integer getAmount() {
		return amount;
	}

	public void setAmount(Integer amount) {
		this.amount = amount;
	}
	
	@Id
	@Column(nullable=false)
	@ManyToOne
	public BidOrder getBidOrder() {
        return bidOrder;
    }

	public void setBidOrder(BidOrder bidOrder) {
		this.bidOrder = bidOrder;
	}
	
	@Id
	@Column(nullable=false)
	@ManyToOne
	public AskOrder getAskOrder() {
        return askOrder;
    }

	public void setAskOrder(BidOrder bidOrder) {
		this.bidOrder = bidOrder;
	}
	  
	
}

public class OrderBookKey  implements Serializable {
	private static final long serialVersionUID = -1176849441366682537L;
	private BidOrderKey bidOrder;
	private Integer askOrder;
}