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1   package ejava.examples.asyncmarket.bo;
2   
3   import java.io.Serializable;
4   
5   import javax.persistence.*;
6   
7   @Entity @Table(name="ASYNCMARKET_BID")
8   public class Bid implements Serializable{
9       private static final long serialVersionUID = 1L;
10      
11      @Id @GeneratedValue(strategy=GenerationType.IDENTITY)
12      private long id;
13      
14      @Column(scale=7, precision=2)
15      private double amount;
16      
17      @ManyToOne(optional=false, fetch=FetchType.LAZY)
18      @JoinColumn(nullable=false, updatable=false)
19      private Person bidder;
20      
21      @ManyToOne(optional=false, fetch=FetchType.LAZY)
22      @JoinColumn(nullable=false, updatable=false)
23      private AuctionItem item;
24      
25      public Bid() {}
26      public Bid(long id) {setId(id); }
27      
28      public long getId() {
29          return id;
30      }
31      private void setId(long id) {
32          this.id = id;
33      }
34      
35      public double getAmount() {
36          return amount;
37      }
38      public void setAmount(double amount) {
39          this.amount = amount;
40      }
41      
42      public Person getBidder() {
43          return bidder;
44      }
45      public void setBidder(Person bidder) {
46          this.bidder = bidder;
47      }
48      
49      public AuctionItem getItem() {
50          return item;
51      }
52      public void setItem(AuctionItem item) {
53          this.item = item;
54      }
55      
56      public String toString() {
57          StringBuilder text = new StringBuilder();
58          text.append("id=" + id);
59          text.append(", bidder=" + (bidder==null?null:bidder.getUserId()));
60          text.append(", item=" + (item==null ? null : item.getId()));
61          text.append(", $" + amount);
62          return text.toString();
63      }
64  }