[Hibernate-issues] [Hibernate-JIRA] Commented: (HB-232) Custom types cannot be uses for ids with indentity and sequence generators

[<leg...@at...>]

The following comment has been added to this issue:

     Author: Max Rydahl Andersen
    Created: Sun, 10 Aug 2003 5:29 AM
       Body:
Could we try to find an alternative solution for this one ?

I've got a similar problem with legacy generated version/timestamps (it's a byte[8]) that would be great if Hibernate could integrate with.

A last resort would be to add ExtendedUserType or something.


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Here is an overview of the issue:
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        Key: HB-232
    Summary: Custom types cannot be uses for ids with indentity and sequence generators
       Type: Improvement

     Status: Closed
   Priority: Minor
 Resolution: FIXED

    Project: Hibernate2
 Components: 
             core
   Fix Fors:
             2.1 beta 1
   Versions:
             2.0rc2

   Assignee: Gavin King
   Reporter: James Lewis

    Created: Tue, 5 Aug 2003 9:37 AM
    Updated: Fri, 8 Aug 2003 11:40 PM
Environment: Any environment.  MySql DB

Description:
All of my persistent objects have a custom primary key object.  

For instance, my Part object has a PartID as the key.  This allows me to perform compile time type checking in my service layer.

I was ably to create a UserType that converted the coulmn type of integer to PartID.  No problem, it worked great.  However, the IdentityGeneratorFactory throw an exception because my custom types return PartID.class as the return type.  The IdentityGeneratorFactory's 'get' method only takes classes that are of type Integer.class, Long.class, and Short.class.  The API should be changed so that the get method returns a Serializable instead of a Number, and takes a Type instead of a class.  This would allow the IdentityGeneratorFactory to return the custom class type.

What are your thoughts.

James


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