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1 package org.hibernate.test.annotations.onetoone;
3
4 import javax.persistence.CascadeType;
5 import javax.persistence.EmbeddedId;
6 import javax.persistence.Entity;
7 import javax.persistence.JoinColumn;
8 import javax.persistence.JoinColumns;
9 import javax.persistence.OneToOne;
10 import javax.persistence.AttributeOverrides;
11 import javax.persistence.AttributeOverride;
12 import javax.persistence.Column;
13
14
15
18 @Entity
19 public class Computer {
20
21 private ComputerPk id;
22 private String  cpu;
23 private SerialNumber serial;
24
25 @OneToOne(cascade = {CascadeType.PERSIST})
26 @JoinColumns({
27 @JoinColumn(name="serialbrand", referencedColumnName = "brand"),
28 @JoinColumn(name="serialmodel", referencedColumnName = "model")
29 })
30 public SerialNumber getSerial() {
31 return serial;
32 }
33
34 public void setSerial(SerialNumber serial) {
35 this.serial = serial;
36 }
37
38 public boolean equals(Object o) {
39 if (this == o) return true;
40 if (!(o instanceof Computer)) return false;
41
42 final Computer computer = (Computer) o;
43
44 if (!id.equals(computer.id)) return false;
45
46 return true;
47 }
48
49 public int hashCode() {
50 return id.hashCode();
51 }
52
53 @EmbeddedId
54 @AttributeOverrides( {
55 @AttributeOverride(name="brand", column=@Column(name="computer_brand") ),
56 @AttributeOverride(name="model", column=@Column(name="computer_model") )
57 })
58 public ComputerPk getId() {
59 return id;
60 }
61
62 public void setId(ComputerPk id) {
63 this.id = id;
64 }
65
66 public String getCpu() {
67 return cpu;
68 }
69
70 public void setCpu(String cpu) {
71 this.cpu = cpu;
72 }
73 }
74 |
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