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1 package org.hibernate.ejb.test;
3
4 import java.util.Calendar  ;
5 import java.util.Date ;
6 import java.util.GregorianCalendar ;
7 import javax.persistence.Basic;
8 import javax.persistence.Entity;
9 import javax.persistence.EntityListener;
10 import javax.persistence.GeneratorType;
11 import javax.persistence.Id;
12 import javax.persistence.PostLoad;
13 import javax.persistence.PostUpdate;
14 import javax.persistence.TemporalType;
15 import javax.persistence.Transient;
16
17
20 @Entity
21 @EntityListener(LastUpdateListener.class)
22 public class Cat {
23 private Integer id;
24 private String name;
25 private Date dateOfBirth;
26 private int age;
27 private Date lastUpdate;
28 private int manualVersion = 0;
29 private int postVersion = 0;
30
31 @Id(generate = GeneratorType.AUTO)
32 public Integer getId() {
33 return id;
34 }
35
36 public void setId(Integer id) {
37 this.id = id;
38 }
39
40 public String getName() {
41 return name;
42 }
43
44 public void setName(String name) {
45 this.name = name;
46 }
47
48 public Date getDateOfBirth() {
49 return dateOfBirth;
50 }
51
52 public void setDateOfBirth(Date dateOfBirth) {
53 this.dateOfBirth = dateOfBirth;
54 }
55
56 public int getManualVersion() {
57 return manualVersion;
58 }
59
60 public void setManualVersion(int manualVersion) {
61 this.manualVersion = manualVersion;
62 }
63
64 @Transient
65 public int getAge() {
66 return age;
67 }
68
69 public void setAge(int age) {
70 this.age = age;
71 }
72
73 @Basic(temporalType = TemporalType.TIMESTAMP)
74 public Date getLastUpdate() {
75 return lastUpdate;
76 }
77
78 public void setLastUpdate(Date lastUpdate) {
79 this.lastUpdate = lastUpdate;
80 }
81
82 public int getPostVersion() {
83 return postVersion;
84 }
85
86 public void setPostVersion(int postVersion) {
87 this.postVersion = postVersion;
88 }
89
90 @PostUpdate
91 public void someLateUpdateWorking() {
92 this.postVersion++;
93 }
94
95 @PostLoad
96 public void calculateAge() {
97 Calendar birth = new GregorianCalendar ();
98 birth.setTime( dateOfBirth );
99 Calendar now = new GregorianCalendar ();
100 now.setTime( new Date () );
101 int adjust = 0;
102 if ( now.get( Calendar.DAY_OF_YEAR ) - birth.get( Calendar.DAY_OF_YEAR ) < 0 ) {
103 adjust = -1;
104 }
105 age = now.get( Calendar.YEAR ) - birth.get( Calendar.YEAR ) + adjust;
106 }
107 }
108 |
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