HHH-5465 - HQL left join fetch of an element collection following a left join fetch of a one-to-one relationship causes NullPointerException (testcase)
This commit is contained in:
Christian Beikov
Steve Ebersole
parent
9030fa015e
commit
4c47ba13e3
|
|
@ -0,0 +1,97 @@
|
|||
package org.hibernate.test.collection.set.hhh8206;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
import javax.persistence.Basic;
|
||||
import javax.persistence.CollectionTable;
|
||||
import javax.persistence.ElementCollection;
|
||||
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.ManyToMany;
|
||||
import javax.persistence.OneToMany;
|
||||
import javax.persistence.Table;
|
||||
|
||||
@Entity
|
||||
@Table(name="contact")
|
||||
public class Contact implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
private Long id;
|
||||
private String name;
|
||||
private Set<EmailAddress> emailAddresses = new HashSet<EmailAddress>();
|
||||
private Set<EmailAddress> emailAddresses2 = new HashSet<EmailAddress>();
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy = GenerationType.AUTO)
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
@Basic
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
@ElementCollection
|
||||
@CollectionTable(name = "user_email_addresses2", joinColumns = @JoinColumn(name = "user_id", referencedColumnName = "id"))
|
||||
public Set<EmailAddress> getEmailAddresses2() {
|
||||
return emailAddresses2;
|
||||
}
|
||||
|
||||
public void setEmailAddresses2(Set<EmailAddress> emailAddresses2) {
|
||||
this.emailAddresses2 = emailAddresses2;
|
||||
}
|
||||
|
||||
@ElementCollection
|
||||
@CollectionTable(name = "user_email_addresses", joinColumns = @JoinColumn(name = "user_id", referencedColumnName = "id"))
|
||||
public Set<EmailAddress> getEmailAddresses() {
|
||||
return emailAddresses;
|
||||
}
|
||||
|
||||
public void setEmailAddresses(Set<EmailAddress> emailAddresses) {
|
||||
this.emailAddresses = emailAddresses;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int hash = 0;
|
||||
hash += (id != null ? id.hashCode() : 0);
|
||||
return hash;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj == null) {
|
||||
return false;
|
||||
}
|
||||
if (!(obj instanceof Contact)) {
|
||||
return false;
|
||||
}
|
||||
final Contact other = (Contact) obj;
|
||||
if (this.id == null || other.id == null) {
|
||||
return this == obj;
|
||||
}
|
||||
if(!this.id.equals(other.id)) {
|
||||
return this == obj;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "com.clevercure.web.hibernateissuecache.User[ id=" + id + " ]";
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,57 @@
|
|||
package org.hibernate.test.collection.set.hhh8206;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.Set;
|
||||
import javax.persistence.*;
|
||||
|
||||
@Embeddable
|
||||
public class EmailAddress implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
private String email;
|
||||
|
||||
public EmailAddress() {
|
||||
}
|
||||
|
||||
public EmailAddress(String email) {
|
||||
this.email = email;
|
||||
}
|
||||
|
||||
public String getEmail() {
|
||||
return email;
|
||||
}
|
||||
|
||||
public void setEmail(String email) {
|
||||
this.email = email;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int hash = 0;
|
||||
hash += (email != null ? email.hashCode() : 0);
|
||||
return hash;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj == null) {
|
||||
return false;
|
||||
}
|
||||
if (!(obj instanceof EmailAddress)) {
|
||||
return false;
|
||||
}
|
||||
final EmailAddress other = (EmailAddress) obj;
|
||||
if (this.email == null || other.email == null) {
|
||||
return this == obj;
|
||||
}
|
||||
if(!this.email.equals(other.email)) {
|
||||
return this == obj;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "com.clevercure.web.hibernateissuecache.EmailAddress[ email=" + email + " ]";
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
package org.hibernate.test.collection.set.hhh8206;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
import org.hibernate.Session;
|
||||
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
public class JoinFetchElementCollectionTest extends BaseCoreFunctionalTestCase {
|
||||
@Override
|
||||
protected Class<?>[] getAnnotatedClasses() {
|
||||
return new Class[] {Contact.class, EmailAddress.class, User.class};
|
||||
}
|
||||
|
||||
@Test
|
||||
public void test(){
|
||||
Set<EmailAddress> emailAddresses = new HashSet<EmailAddress>();
|
||||
emailAddresses.add(new EmailAddress("test1@test.com"));
|
||||
emailAddresses.add(new EmailAddress("test2@test.com"));
|
||||
emailAddresses.add(new EmailAddress("test3@test.com"));
|
||||
|
||||
{
|
||||
// Session 1: Insert a user with email addresses but no emailAddresses2
|
||||
Session session = openSession();
|
||||
session.beginTransaction();
|
||||
|
||||
User user = new User();
|
||||
user.setName("john");
|
||||
Contact contact = new Contact();
|
||||
contact.setName("John Doe");
|
||||
contact.setEmailAddresses(emailAddresses);
|
||||
contact = (Contact) session.merge(contact);
|
||||
user.setContact(contact);
|
||||
user = (User) session.merge(user);
|
||||
|
||||
session.getTransaction().commit();
|
||||
session.close();
|
||||
}
|
||||
{
|
||||
// Session 2: Retrieve the user object and check if the sets have the expected values
|
||||
Session session = openSession();
|
||||
session.beginTransaction();
|
||||
User user = (User) session.createQuery("SELECT user "
|
||||
+ "FROM User user "
|
||||
+ "LEFT OUTER JOIN FETCH user.contact "
|
||||
+ "LEFT OUTER JOIN FETCH user.contact.emailAddresses2 "
|
||||
+ "LEFT OUTER JOIN FETCH user.contact.emailAddresses")
|
||||
.uniqueResult();
|
||||
session.getTransaction().commit();
|
||||
session.close();
|
||||
|
||||
Assert.assertEquals(emailAddresses, user.getContact().getEmailAddresses());
|
||||
Assert.assertTrue(user.getContact().getEmailAddresses2().isEmpty());
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,87 @@
|
|||
package org.hibernate.test.collection.set.hhh8206;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
import javax.persistence.Basic;
|
||||
import javax.persistence.CollectionTable;
|
||||
import javax.persistence.ElementCollection;
|
||||
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.ManyToMany;
|
||||
import javax.persistence.ManyToOne;
|
||||
import javax.persistence.OneToMany;
|
||||
import javax.persistence.Table;
|
||||
|
||||
@Entity
|
||||
@Table(name="users")
|
||||
public class User implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
private Long id;
|
||||
private String name;
|
||||
private Contact contact;
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy = GenerationType.AUTO)
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(Long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
@Basic
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
@ManyToOne(optional = true)
|
||||
@JoinColumn(name = "contact_id", nullable = true, unique = true)
|
||||
public Contact getContact() {
|
||||
return contact;
|
||||
}
|
||||
|
||||
public void setContact(Contact contact) {
|
||||
this.contact = contact;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int hash = 0;
|
||||
hash += (id != null ? id.hashCode() : 0);
|
||||
return hash;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj == null) {
|
||||
return false;
|
||||
}
|
||||
if (!(obj instanceof User)) {
|
||||
return false;
|
||||
}
|
||||
final User other = (User) obj;
|
||||
if (this.id == null || other.id == null) {
|
||||
return this == obj;
|
||||
}
|
||||
if(!this.id.equals(other.id)) {
|
||||
return this == obj;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "com.clevercure.web.hibernateissuecache.User[ id=" + id + " ]";
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue