实体类UserExtra详细信息，one to one relationship包含APP_USER，列SSO_ID
package com.eportal.models;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.OneToOne;
import javax.persistence.Table;
@Entity
@Table(name = "userdetails")
public class userExtraDetails implements Serializable {
@Column(name = "Address", nullable = true)
private String Address;
@Id
@Column(name = "SSO_ID", nullable = false)
private String ssoId;
@Column(name = "City", nullable = true)
private String City;
@Column(name = "Country", nullable = true)
private String Country;
@Column(name = "Postal_Code", nullable = true)
private String Postal_Code;
@Column(name = "about_me", nullable = true)
private String about_me;
@OneToOne(fetch = FetchType.LAZY)
@JoinTable(name = "APP_USER", joinColumns = { @JoinColumn(name = "SSO_ID") })
private User user;
public String getAbout_me() {
return about_me;
}
public String getSsoId() {
return ssoId;
}
public void setSsoId(String ssoId) {
this.ssoId = ssoId;
}
public void setAbout_me(String about_me) {
this.about_me = about_me;
}
public String getAddress() {
return Address;
}
public void setAddress(String address) {
Address = address;
}
public String getCity() {
return City;
}
public void setCity(String city) {
City = city;
}
public String getCountry() {
return Country;
}
public void setCountry(String country) {
Country = country;
}
public String getPostal_Code() {
return Postal_Code;
}
public void setPostal_Code(String postal_Code) {
Postal_Code = postal_Code;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
实体类User，其中one to one relationship的用户详细信息为列SSO_ID
package com.eportal.models;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import org.hibernate.validator.constraints.NotEmpty;
@Entity
@Table(name = "APP_USER")
public class User implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@NotEmpty
@Column(name = "SSO_ID", unique = true, nullable = false)
private String ssoId;
@NotEmpty
@Column(name = "PASSWORD", nullable = false)
private String password;
@NotEmpty
@Column(name = "FIRST_NAME", nullable = false)
private String firstName;
@NotEmpty
@Column(name = "LAST_NAME", nullable = false)
private String lastName;
@NotEmpty
@Column(name = "EMAIL", nullable = false)
private String email;
@OneToOne(fetch = FetchType.LAZY)
@JoinTable(name = "userdetails", joinColumns = { @JoinColumn(name = "SSO_ID") })
private userExtraDetails details;
@NotEmpty
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "APP_USER_USER_PROFILE", joinColumns = { @JoinColumn(name = "USER_ID") }, inverseJoinColumns = {
@JoinColumn(name = "USER_PROFILE_ID") })
private Set<UserProfile> userProfiles = new HashSet<UserProfile>();
public userExtraDetails getDetails() {
return details;
}
public void setDetails(userExtraDetails details) {
this.details = details;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getSsoId() {
return ssoId;
}
public void setSsoId(String ssoId) {
this.ssoId = ssoId;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public Set<UserProfile> getUserProfiles() {
return userProfiles;
}
public void setUserProfiles(Set<UserProfile> userProfiles) {
this.userProfiles = userProfiles;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
result = prime * result + ((ssoId == null) ? 0 : ssoId.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof User))
return false;
User other = (User) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
if (ssoId == null) {
if (other.ssoId != null)
return false;
} else if (!ssoId.equals(other.ssoId))
return false;
return true;
}
/*
* DO-NOT-INCLUDE passwords in toString function. It is done here just for
* convenience purpose.
*/
@Override
public String toString() {
return "User [id=" + id + ", ssoId=" + ssoId + ", password=" + password + ", firstName=" + firstName
+ ", lastName=" + lastName + ", email=" + email + "]";
}
}
18:31:55.434 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - HHH000388: Unsuccessful: alter table APP_USER add constraint FK_1wjx4w75wu94ftp6jvt35krf0 foreign key (user_id) references APP_USER
18:31:55.434 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - There is already an object named 'FK_1wjx4w75wu94ftp6jvt35krf0' in the database.
18:31:55.438 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - HHH000388: Unsuccessful: alter table APP_USER add constraint FK_hqk6uc88j3imq8u9jhro36vt3 foreign key (SSO_ID) references userdetails
18:31:55.438 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - The ALTER TABLE statement conflicted with the FOREIGN KEY constraint "FK_hqk6uc88j3imq8u9jhro36vt3". The conflict occurred in database "CloudDB", table "dbo.userdetails", column 'SSO_ID'.
18:31:55.440 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - HHH000388: Unsuccessful: alter table APP_USER_USER_PROFILE add constraint FK_brmce0t584euix4wb4rursf1q foreign key (USER_ID) references APP_USER
18:31:55.440 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - There is already an object named 'FK_brmce0t584euix4wb4rursf1q' in the database.
18:31:55.442 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - HHH000388: Unsuccessful: alter table userdetails add constraint FK_pffebqmeoi5qdq5g63w450h1i foreign key (SSO_ID) references APP_USER
18:31:55.442 [localhost-startStop-1] ERROR o.h.tool.hbm2ddl.SchemaUpdate - Column 'APP_USER.id' is not the same data type as referencing column 'userdetails.SSO_ID' in foreign key 'FK_pffebqmeoi5qdq5g63w450h1i'.
18:31:55.442 [localhost-startStop-1] INFO o.h.tool.hbm2ddl.SchemaUpdate - HHH000232: Schema update complete
显示以下错误：
不成功：alter table APP_USER添加约束 FK_1wjx4w75wu94ftp6jvt35krf0外键（user_id）引用APP_USER
已经有一个名为＆＃39; FK_1wjx4w75wu94ftp6jvt35krf0＆＃39;在里面 数据库中。
不成功：alter table APP_USER添加约束 FK_hqk6uc88j3imq8u9jhro36vt3外键（SSO_ID）引用 的UserDetails
ALTER TABLE语句与FOREIGN KEY约束冲突 ＆＃34; FK_hqk6uc88j3imq8u9jhro36vt3＆＃34 ;.冲突发生在数据库中 ＆＃34; CloudDB＆＃34;，table＆＃34; dbo.userdetails＆＃34;，column＆＃39; SSO_ID＆＃39;。
不成功：alter table APP_USER_USER_PROFILE添加约束 FK_brmce0t584euix4wb4rursf1q外键（USER_ID）引用APP_USER
已经有一个名为＆＃39; FK_brmce0t584euix4wb4rursf1q＆＃39;在里面 数据库中。
不成功：alter table userdetails添加约束 FK_pffebqmeoi5qdq5g63w450h1i外键（SSO_ID）引用APP_USER
专栏＆＃39; APP_USER.id＆＃39;与引用列的数据类型不同 ＆＃39; userdetails.SSO_ID＆＃39;在外键＆＃39; FK_pffebqmeoi5qdq5g63w450h1i＆＃39;。