HHH-4735 : Proxy can be associated with a new session when it is already connected to a different one

git-svn-id: https://svn.jboss.org/repos/hibernate/core/branches/Branch_3_3@18321 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Gail Badner 2009-12-23 18:55:06 +00:00
parent 5c62213ddd
commit 32173a3d6e
2 changed files with 43 additions and 3 deletions

View File

@ -46,6 +46,7 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
private boolean unwrap;
private transient SessionImplementor session;
private transient EntityKey entityKey; // cached value
/**
* For serialization from the non-pojo initializers (HHH-3309)
@ -64,6 +65,7 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
this.entityName = entityName;
this.id = id;
this.session = session;
this.entityKey = generateEntityKeyOrNull();
}
/**
@ -85,6 +87,7 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
*/
public final void setIdentifier(Serializable id) {
this.id = id;
entityKey = generateEntityKeyOrNull();
}
/**
@ -110,17 +113,31 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
//TODO: perhaps this should be some other RuntimeException...
throw new HibernateException("illegally attempted to associate a proxy with two open Sessions");
}
else if ( s == null ){
unsetSession();
}
else {
session = s;
entityKey = generateEntityKeyOrNull();
}
}
}
private EntityKey generateEntityKeyOrNull() {
if ( getIdentifier() == null || session == null || entityName == null ) {
return null;
}
return new EntityKey(
getIdentifier(), session.getFactory().getEntityPersister( entityName ), session.getEntityMode()
);
}
/**
* {@inheritDoc}
*/
public void unsetSession() {
session = null;
entityKey = null;
}
/**
@ -162,9 +179,14 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
* @return Value for property 'connectedToSession'.
*/
protected final boolean isConnectedToSession() {
return session!=null &&
session.isOpen() &&
session.getPersistenceContext().containsProxy(this);
return getProxyOrNull() != null;
}
private Object getProxyOrNull() {
if ( session != null && session.isOpen() && entityKey != null ) {
return session.getPersistenceContext().getProxy( entityKey );
}
return null;
}
/**

View File

@ -6,6 +6,7 @@ import junit.framework.Test;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.HibernateException;
import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
import org.hibernate.intercept.FieldInterceptionHelper;
@ -388,6 +389,23 @@ public class SaveOrUpdateTest extends FunctionalTestCase {
assertTrue( s1.contains( child.getParent() ) );
Session s2 = openSession();
try {
s2.getTransaction().begin();
s2.saveOrUpdate( child );
fail();
}
catch ( HibernateException ex ) {
// expected because parent is connected to s1
}
finally {
s2.getTransaction().rollback();
}
s2.close();
s1.evict( child.getParent() );
assertFalse( s1.contains( child.getParent() ) );
s2 = openSession();
s2.getTransaction().begin();
s2.saveOrUpdate( child );
assertTrue( s2.contains( child ) );