The following issue has been updated:
Updater: Stein Martin Hustad (mailto:[EMAIL PROTECTED])
Date: Tue, 26 Jul 2005 4:54 PM
Comment:
I don't know if this patch will be applied, but someone may find it useful.
I have made an updated patch that adds an extends attribute to the
@hibernate.subclass tag. This makes it possible to explicitly tell hibernate
what it should consider the supertype to be. Useful when you want a class both
extending one class and implementing another interface to behave as a subtype
of the interface rather than the parent class. F.ex.
/**
* @hibernate.class table="files"
* @hibernate.discriminator column="discriminator"
*/
public interface File {...}
/**
* @hibernate.subclass extends="File"
*/
public class FileImpl {...}
/**
* @hibernate.subclass extends="File"
*/
public interface Folder extends File {...}
/**
* @hibernate.subclass extends="Folder"
*/
public class FolderImpl extends FileImpl implements FileImpl {...}
Using this patch, a query of the type "from Folder f where <some criteria>"
will return all FolderImpl's that match the criteria. Without this patch,
nothing will return, as the FolderImpl are considered to be a subtype of
FileImpl, not Folder.
Changes:
Attachment changed to patch-extends.txt
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For a full history of the issue, see:
http://opensource.atlassian.com/projects/xdoclet/browse/XDT-697?page=history
---------------------------------------------------------------------
View the issue:
http://opensource.atlassian.com/projects/xdoclet/browse/XDT-697
Here is an overview of the issue:
---------------------------------------------------------------------
Key: XDT-697
Summary: Hibernate module ignores interface "subclassing"
Type: Bug
Status: Open
Priority: Minor
Original Estimate: Unknown
Time Spent: Unknown
Remaining: Unknown
Project: XDoclet
Components:
Hibernate Module
Versions:
1.2 Beta 3
Assignee: xdoclet-devel (Use for new issues)
Reporter: Jan Berkel
Created: Sun, 2 Nov 2003 6:57 PM
Updated: Tue, 26 Jul 2005 4:54 PM
Description:
hibernatedoclet doesn't support interfaces and @subclass.
/** @hibernate.class table="FOO" */
public interface Foo
{
// method declaration + doclets
}
/** @hibernate.subclass */
public class FooImpl implements Foo
{
// implementation
}
this should produce:
<hibernate-mapping>
<class name="Foo" table="FOO">
...properties...
<subclass name="FooImpl">
...properties...
</subclass>
</class>
but classes implementing Foo are silently ignored by the hibernate module, so
the <subclass> -element inside the generated mapping file is missing.
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