【MyEcplise hibernate tools】hibernate tools的使用以及错误

 1 package com.it.entity;
 2 
 3 import java.util.HashSet;
 4 import java.util.Set;
 5 import javax.persistence.CascadeType;
 6 import javax.persistence.Column;
 7 import javax.persistence.Entity;
 8 import javax.persistence.FetchType;
 9 import javax.persistence.Id;
10 import javax.persistence.ManyToMany;
11 import javax.persistence.Table;
12 
13 /**
14  * Authority entity. @author MyEclipse Persistence Tools
15  */
16 @Entity
17 @Table(name = "authority", catalog = "testdb")
18 public class Authority implements java.io.Serializable {
19 
20     // Fields
21 
22     private String authorityId;
23     private String authorityName;
24     private Set<Role> roles = new HashSet<Role>(0);
25 
26     // Constructors
27 
28     /** default constructor */
29     public Authority() {
30     }
31 
32     /** minimal constructor */
33     public Authority(String authorityId) {
34         this.authorityId = authorityId;
35     }
36 
37     /** full constructor */
38     public Authority(String authorityId, String authorityName, Set<Role> roles) {
39         this.authorityId = authorityId;
40         this.authorityName = authorityName;
41         this.roles = roles;
42     }
43 
44     // Property accessors
45     @Id
46     @Column(name = "authorityId", unique = true, nullable = false, length = 36)
47     public String getAuthorityId() {
48         return this.authorityId;
49     }
50 
51     public void setAuthorityId(String authorityId) {
52         this.authorityId = authorityId;
53     }
54 
55     @Column(name = "authorityName", length = 50)
56     public String getAuthorityName() {
57         return this.authorityName;
58     }
59 
60     public void setAuthorityName(String authorityName) {
61         this.authorityName = authorityName;
62     }
63 
64     @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "authorities")
65     public Set<Role> getRoles() {
66         return this.roles;
67     }
68 
69     public void setRoles(Set<Role> roles) {
70         this.roles = roles;
71     }
72 
73 }