Hi,
I am just beginning to use ojb and was wondering what was the best way
to simplify the task using what's available as of today, September 2002.
>From what I have read and what I know, this is what I have come up with
(with obvious and non-obvious gaps). I would welcome any suggestions on
improving from this group.
Available before starting:
- Db with table and foreign-key defined [or the torque formatted
schema.xml]
To implement OJB:
1. generate a repository.xml from the db
- for this I used the torque projects "jdbc" target to get me the
schema.xml file.
- I fed this schema file to the xslt as mentioned by Stephan
Merker's torqueSchema2OJB-instructions.txt (ojb contribs)
- this gave me the repository_user.xml file to use but without the
FK references.
Questions:
- Is there a way to have the FK references autogenerated
(1:m, m:m relationships could be hand tweaked) ?
- Is there a way to generate the db from the repository
file as of today?
2. generate a ojb model (value objects for the tables in the db)
- for this I used torque's 'ojb-model' target.
3. now create the system tables as required by the persistence
layer/odmg/jdo implementations (repository_internal.xml)
Questions:
- How do I automatically generate these tables?
Is there a better way to do this stuff?
I am going to be implementing OJB in my application, but haven't yet
done so.
Thanks,
Viru
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