strange inheritance problem
strange inheritance problem
- Subject: strange inheritance problem
- From: Tim Worman <email@hidden>
- Date: Thu, 18 Jun 2009 18:12:18 -0700
All:
I have some fetches that are not respecting the restricting qualifiers
in my model for a simple inheritance structure. I'm using WO 5.4.3.
This what I have:
Job >> Approver > Employee
I have subclassed Approver into PrimaryApprover and DelegateApprover
with the following restricting qualifiers. I am using single table
inheritance and applying a qualifier on the attribute 'foo.'
PrimaryApprover - foo=1
DelegateApprover - foo>1
So, there also is:
Job.primaryapprovers()
Job.delegateapprovers()
Here's where I'm seeing trouble. I have a qualifier set to fetch Job
entities and it is defined like so:
EOKeyValueQualifier
("primaryapprovers.employee",EOQualifier.QualifierOperatorEqual,
someEmployee)
Whenever I perform a fetch against the Job entity with the above
qualifier it appears to fetch against the Approver without any
restricting qualifier (foo>1) being part of the fetch. When I log out
the sql there is no mention in it of the foo attribute. I can group
two qualifiers and use an EOAndQualifier and that works, like so:
EOKeyValueQualifier
("approvers.employee",EOQualifier.QualifierOperatorEqual, someEmployee)
EOKeyValueQualifier
("approvers.foo",EOQualifier.QualifierOperatorEqual, new Integer(1))
But then I'm not leveraging the incredible work I've done to use
inheritance. :-) Does anyone have any idears why I am seeing this
problem?
Thanks for the help,
Tim
UCLA GSE&IS
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