我们建一个简单的表如下:
+-------+-------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+-------+
| id | varchar(32) | | PRI | | |
| name | varchar(80) | YES | | NULL | |
| sex | char(1) | YES | | NULL | |
| age | int(11) | YES | | NULL | |
+-------+-------------+------+-----+---------+-------+
manager的接口
1
package com.martin.pdo;
2
3
import java.util.List;
4
5
/** *//**
6
* @author martin.xus
7
*/
8
public interface UserManager
{
9
public User load(String id);
10
11
public List loadByName(String name);
12
13
public void add(User user);
14
15
public void remove(User user);
16
}
17

2

3

4

5


6

7

8



9

10

11

12

13

14

15

16

17

User,在这里,我们的user已经不在是简单的getter&setter,我们引用了一个manager的对象
并且通过spring注入给它,供它使用,这样我们需要操作用户时,就如下一样
添加新用户
1
User user = (User) context.getBean("user");
2
User _u1 = new User();
3
//
4
user.getManager().add(_u1);
5

2

3


4

5

读取用户
1
User _u2 = (User) user.getManager().loadByName("martin xus").get(0);

让User带上manager的功能,这样,我们便不再需要主动的去声明manager。
相对而言,如果我们只是在domain object种getter&setter,就需要如下。
1
UserManager userManager = (userManager ) context.getBean("userManager ");
2
userManager.saveUser(_u1);

2

整代码如下:
1
package com.martin.pdo;
2
3
import java.io.Serializable;
4
5
/** *//**
6
* @author martin.xus
7
* @hibernate.class table="t_user"
8
* @spring.bean name="user"
9
* @spring.property name="manager" ref="userManager"
10
*/
11
public class User implements Serializable
{
12
13
/** *//**
14
* @hibernate.id generator-class="uuid.hex"
15
* length="32"
16
* column="user_id"
17
*/
18
private String id;
19
20
/** *//**
21
* @hibernate.property column="user_name"
22
* length="80"
23
*/
24
private String name;
25
26
/** *//**
27
* @hibernate.property
28
*/
29
private char sex;
30
31
/** *//**
32
* @hibernate.property
33
*/
34
private int age;
35
private UserManager manager = null;
36
37
/** *//**
38
* @return Returns the manager.
39
*/
40
public UserManager getManager()
{
41
return manager;
42
}
43
44
/** *//**
45
* @param manager The manager to set.
46
*/
47
public void setManager(UserManager manager)
{
48
this.manager = manager;
49
}
50
51
/** *//**
52
* @return Returns the age.
53
*/
54
public int getAge()
{
55
return age;
56
}
57
58
/** *//**
59
* @param age The age to set.
60
*/
61
public void setAge(int age)
{
62
this.age = age;
63
}
64
65
/** *//**
66
* @return Returns the id.
67
*/
68
public String getId()
{
69
return id;
70
}
71
72
/** *//**
73
* @param id The id to set.
74
*/
75
public void setId(String id)
{
76
this.id = id;
77
}
78
79
/** *//**
80
* @return Returns the name.
81
*/
82
public String getName()
{
83
return name;
84
}
85
86
/** *//**
87
* @param name The name to set.
88
*/
89
public void setName(String name)
{
90
this.name = name;
91
}
92
93
/** *//**
94
* @return Returns the sex.
95
*/
96
public char getSex()
{
97
return sex;
98
}
99
100
/** *//**
101
* @param sex The sex to set.
102
*/
103
public void setSex(char sex)
{
104
this.sex = sex;
105
}
106
107
}
108

2

3

4

5


6

7

8

9

10

11



12

13


14

15

16

17

18

19

20


21

22

23

24

25

26


27

28

29

30

31


32

33

34

35

36

37


38

39

40



41

42

43

44


45

46

47



48

49

50

51


52

53

54



55

56

57

58


59

60

61



62

63

64

65


66

67

68



69

70

71

72


73

74

75



76

77

78

79


80

81

82



83

84

85

86


87

88

89



90

91

92

93


94

95

96



97

98

99

100


101

102

103



104

105

106

107

108

UserManager
1
package com.martin.pdo;
2
3
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
4
5
import java.util.List;
6
7
/** *//**
8
* @spring.bean name="userManager"
9
&nb

2

3

4

5

6

7


8

9
