[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5835) Error/Bug getting PluralAttribute on SessionFactoyImpl using @Inheritance and @MappedSuperclass
Error/Bug getting PluralAttribute on SessionFactoyImpl using @Inheritance and
@MappedSuperclass
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Key: HHH-5835
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5835
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.5.5
Environment: testcase java6-sun
Reporter: Francisco Philip
Hi, I'm looking an attribute by name root.get("nameOfCollection"), but i
think that we have a limitation or bug because if the entity inheritance of this
collection they don't resolve correctly the name of "role" to call a
getCollectionPersister method of SessionFactory.
Example
{noformat}
@MappedSuperclass
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn( name = "dtype")
class c{
@CollectionOfElements
private Collection<EmbeddedEntity> nameOfCollection;
....
}
@Entity
EntityA extends AbstractEntity{
}
@Entity
EntityB extends AbstractEntity{
@CollectionOfElements
private Collection<EmbeddedEntity> nameOfCollection2;
}
{noformat}
if I call root.get("nameOfCollection") of they cant find it because de variable
role is resolved as "AbstractEntity.nameOfCollection", meantime the
collectionPersisters have stored EntityA.nameOfCollection, EntityB.nameOfCollection and
EntityB.nameOfCollection2
this is a bug?
SessionFactoryImpl.java
{noformat}
public CollectionPersister getCollectionPersister(String role) throws MappingException {
CollectionPersister result = (CollectionPersister) collectionPersisters.get(role);
if (result==null) {
throw new MappingException( "Unknown collection role: " + role );
}
return result;
}
{noformat}
AbstractManagedType.java
{noformat}
@SuppressWarnings({ "unchecked" })
public Attribute<? super X, ?> getAttribute(String name) {
Attribute<? super X, ?> attribute = declaredAttributes.get( name );
if ( attribute == null && getSupertype() != null ) {
attribute = getSupertype().getAttribute( name );
}
return attribute;
}
{noformat}
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