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HHH-3528 - FETCH JOIN query doesn't work in a StatelessSession 

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@16091 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Steve Ebersole 2009-03-05 22:12:56 +00:00
parent 04fda3df4f
commit 718fd34f4b
6 changed files with 452 additions and 10 deletions
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19
core/src/main/java/org/hibernate/impl/StatelessSessionImpl.java
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@ -1,7 +1,5 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
@ -20,7 +18,6 @@
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.impl;
@ -265,12 +262,20 @@ public class StatelessSessionImpl extends AbstractSessionImpl
boolean nullable) throws HibernateException {
errorIfClosed();
EntityPersister persister = getFactory().getEntityPersister( entityName );
// first, try to load it from the temp PC associated to this SS
Object loaded = temporaryPersistenceContext.getEntity( new EntityKey( id, persister, getEntityMode() ) );
if ( loaded != null ) {
// we found it in the temp PC. Should indicate we are in the midst of processing a result set
// containing eager fetches via join fetch
return loaded;
}
if ( !eager && persister.hasProxy() ) {
// if the metadata allowed proxy creation and caller did not request forceful eager loading,
// generate a proxy
return persister.createProxy( id, this );
}
Object loaded = temporaryPersistenceContext.getEntity( new EntityKey(id, persister, EntityMode.POJO) );
//TODO: if not loaded, throw an exception
return loaded==null ? get( entityName, id ) : loaded;
// otherwise immediately materialize it
return get( entityName, id );
}
public Iterator iterate(String query, QueryParameters queryParameters) throws HibernateException {

56
testsuite/src/test/java/org/hibernate/test/stateless/fetching/Mappings.hbm.xml Normal file
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@ -0,0 +1,56 @@
<?xml version="1.0"?>
<!--
~ Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
~ indicated by the @author tags or express copyright attribution
~ statements applied by the authors. All third-party contributions are
~ distributed under license by Red Hat Middleware LLC.
~
~ This copyrighted material is made available to anyone wishing to use, modify,
~ copy, or redistribute it subject to the terms and conditions of the GNU
~ Lesser General Public License, as published by the Free Software Foundation.
~
~ This program is distributed in the hope that it will be useful,
~ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
~ for more details.
~
~ You should have received a copy of the GNU Lesser General Public License
~ along with this distribution; if not, write to:
~ Free Software Foundation, Inc.
~ 51 Franklin Street, Fifth Floor
~ Boston, MA 02110-1301 USA
-->
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="org.hibernate.test.stateless.fetching">
<class name="User">
<id name="id" type="long">
<generator class="increment" />
</id>
<property name="name" type="string"/>
</class>
<class name="Resource">
<id name="id" type="long">
<generator class="increment" />
</id>
<property name="name" type="string"/>
<many-to-one name="owner"/>
</class>
<class name="Task">
<id name="id" type="long">
<generator class="increment" />
</id>
<property name="description" type="string"/>
<many-to-one name="user"/>
<many-to-one name="resource"/>
<property name="dueDate" type="timestamp"/>
<property name="startDate" type="timestamp"/>
<property name="completionDate" type="timestamp"/>
</class>
</hibernate-mapping>

65
testsuite/src/test/java/org/hibernate/test/stateless/fetching/Resource.java Normal file
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@ -0,0 +1,65 @@
/*
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.stateless.fetching;
/**
* TODO : javadoc
*
* @author Steve Ebersole
*/
public class Resource {
private Long id;
private String name;
private User owner;
public Resource() {
}
public Resource(String name, User owner) {
this.name = name;
this.owner = owner;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public User getOwner() {
return owner;
}
public void setOwner(User owner) {
this.owner = owner;
}
}

150
testsuite/src/test/java/org/hibernate/test/stateless/fetching/StatelessSessionFetchingTest.java Normal file
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@ -0,0 +1,150 @@
/*
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.stateless.fetching;
import java.util.Date;
import junit.framework.Test;
import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.ImprovedNamingStrategy;
import org.hibernate.cfg.DefaultNamingStrategy;
import org.hibernate.util.StringHelper;
import org.hibernate.Session;
import org.hibernate.StatelessSession;
import org.hibernate.Hibernate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* TODO : javadoc
*
* @author Steve Ebersole
*/
public class StatelessSessionFetchingTest extends FunctionalTestCase {
private static final Logger log = LoggerFactory.getLogger( StatelessSessionFetchingTest.class );
public StatelessSessionFetchingTest(String name) {
super( name );
}
public static Test suite() {
return new FunctionalTestClassTestSuite( StatelessSessionFetchingTest.class );
}
public String[] getMappings() {
return new String[] { "stateless/fetching/Mappings.hbm.xml" };
}
// trying a new thing here in tests with this naming strategy to help alleviate table name clashes
private class TestingNamingStrategy extends DefaultNamingStrategy {
private final String prefix = determineUniquePrefix();
protected String applyPrefix(String baseTableName) {
String prefixed = prefix + '_' + baseTableName;
log.debug( "prefixed table name : {} -> {} ", baseTableName, prefixed );
return prefixed;
}
@Override
public String classToTableName(String className) {
return applyPrefix( super.classToTableName( className ) );
}
@Override
public String tableName(String tableName) {
if ( tableName.startsWith( "`" ) && tableName.endsWith( "`" ) ) {
return tableName;
}
if ( tableName.startsWith( prefix + '_' ) ) {
return tableName;
}
return applyPrefix( tableName );
}
@Override
public String collectionTableName(String ownerEntity, String ownerEntityTable, String associatedEntity, String associatedEntityTable, String propertyName) {
String tableName = super.collectionTableName( ownerEntity, ownerEntityTable, associatedEntity, associatedEntityTable, propertyName );
return applyPrefix( tableName );
}
@Override
public String logicalCollectionTableName(String tableName, String ownerEntityTable, String associatedEntityTable, String propertyName) {
String resolvedTableName = prefix + '_' + super.logicalCollectionTableName( tableName, ownerEntityTable, associatedEntityTable, propertyName );
System.out.println( "Logical collection table name : " + tableName + " -> " + resolvedTableName );
return resolvedTableName;
}
private String determineUniquePrefix() {
return StringHelper.collapseQualifier( getClass().getName(), false ).toUpperCase();
}
}
@Override
public void configure(Configuration cfg) {
super.configure( cfg );
cfg.setNamingStrategy( new TestingNamingStrategy() );
}
public void testDynamicFetch() {
Session s = openSession();
s.beginTransaction();
Date now = new Date();
User me = new User( "me" );
User you = new User( "you" );
Resource yourClock = new Resource( "clock", you );
Task task = new Task( me, "clean", yourClock, now ); // :)
s.save( me );
s.save( you );
s.save( yourClock );
s.save( task );
s.getTransaction().commit();
s.close();
StatelessSession ss = sfi().openStatelessSession();
ss.beginTransaction();
Task taskRef = ( Task ) ss.createQuery( "from Task t join fetch t.resource join fetch t.user" ).uniqueResult();
assertTrue( taskRef != null );
assertTrue( Hibernate.isInitialized( taskRef ) );
assertTrue( Hibernate.isInitialized( taskRef.getUser() ) );
assertTrue( Hibernate.isInitialized( taskRef.getResource() ) );
assertFalse( Hibernate.isInitialized( taskRef.getResource().getOwner() ) );
ss.getTransaction().commit();
ss.close();
cleanup();
}
private void cleanup() {
Session s = openSession();
s.beginTransaction();
s.createQuery( "delete Task" ).executeUpdate();
s.createQuery( "delete Resource" ).executeUpdate();
s.createQuery( "delete User" ).executeUpdate();
s.getTransaction().commit();
s.close();
}
}

111
testsuite/src/test/java/org/hibernate/test/stateless/fetching/Task.java Normal file
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@ -0,0 +1,111 @@
/*
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.stateless.fetching;
import java.util.Date;
/**
* TODO : javadoc
*
* @author Steve Ebersole
*/
public class Task {
private Long id;
private String description;
private User user;
private Resource resource;
private Date dueDate;
private Date startDate;
private Date completionDate;
public Task() {
}
public Task(User user, String description, Resource resource, Date dueDate) {
this( user, description, resource, dueDate, null, null );
}
public Task(User user, String description, Resource resource, Date dueDate, Date startDate, Date completionDate) {
this.user = user;
this.resource = resource;
this.description = description;
this.dueDate = dueDate;
this.startDate = startDate;
this.completionDate = completionDate;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public Resource getResource() {
return resource;
}
public void setResource(Resource resource) {
this.resource = resource;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Date getDueDate() {
return dueDate;
}
public void setDueDate(Date dueDate) {
this.dueDate = dueDate;
}
public Date getStartDate() {
return startDate;
}
public void setStartDate(Date startDate) {
this.startDate = startDate;
}
public Date getCompletionDate() {
return completionDate;
}
public void setCompletionDate(Date completionDate) {
this.completionDate = completionDate;
}
}

55
testsuite/src/test/java/org/hibernate/test/stateless/fetching/User.java Normal file
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@ -0,0 +1,55 @@
/*
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.stateless.fetching;
/**
* TODO : javadoc
*
* @author Steve Ebersole
*/
public class User {
private Long id;
private String name;
public User() {
}
public User(String name) {
this.name = name;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}