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List:       ojb-user
Subject:    Re: Mapping Classes on Multiple Joined Tables
From:       Armin Waibel <arminw () apache ! org>
Date:       2005-04-21 17:16:18
Message-ID: 4267DFE2.8020608 () apache ! org
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Jakob Braeuchi wrote:
>>
>> The issue is noted in the release-notes:
>>
>> <snip>
>> - When a class mapped on multiple joined tables was used in a 
>> reference only objects
>>   of the base type class will be instantiated, e.g. a Company class has
>>   a 1:n reference 'employees' to a base class Employee and class 
>> Manager extends Employee,
>>   then 'employees' only contains objects of type Employee even if the 
>> real type was Manager.
>>   See in OJB test suite 
>> ...broker.InheritanceMultipleTableTest#testInheritancedObjectsInCollectionReferences 
>>
>>   Same problem occur when query the base class, then OJB only returns 
>> objects of base type instead
>>   the real type.
>> </snip>
>>
>> But I admit my English is abstruse ;-)
> 
> 
> you're right, i do not understand it :(
>

That's why I wrote the test case. Maybe you can rephrase this section in 
release-notes, or much better finding a solution for the problem ;-)
I will check in my changes (first alpha version) for this kind of 
inheritance today plus some new tests. But it will not solve the problem 
described above.

regards,
Armin

> jakob
> 
>>
>> regards,
>> Armin
>>
>>
>>
>>> Thank you,
>>> stefan walkner
>>>
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