----- Original Message -----
From: <[EMAIL PROTECTED]>
To: "OJB Users List" <[EMAIL PROTECTED]>
Sent: Thursday, September 18, 2003 3:42 PM
Subject: Antwort: Re: Antwort: RE: Using different Qualifiers in DB2
>
> Hello Armin,
>
> how do I get the information from my repository file into the
> prodRepository object in your example?
>
> MM.addProfile("production", prodRepository)
> ^^^^^^^^^^^^^^^^
DescriptorRepository prodRepository
= MM.readDescriptorRepository("path to file")
or
=MM.readDescriptorRepository(aInputStream)
regards,
Armin
> Regards
> Lasse
> ___
>
>
>
>
> |---------+--------------------------->
> | | "Armin Waibel" |
> | | <[EMAIL PROTECTED]|
> | | ait.de> |
> | | |
> | | 16.09.03 18:16 |
> | | Bitte antworten |
> | | an "OJB Users |
> | | List" |
> | | |
> |---------+--------------------------->
>
>-----------------------------------------------------------------------
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> |
|
> | An: "OJB Users List" <[EMAIL PROTECTED]>
|
> | Kopie:
|
> | Thema: Re: Antwort: RE: Using different Qualifiers in DB2
|
>
>-----------------------------------------------------------------------
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>
>
>
> Hi Lasse,
>
> Don't know if I understand your problem, but I will explain
> what I mean.
> Currently it's only possible to switch between different
> DescriptorRepository (metadata class-descriptor container)
> instances on a per thread based way using 'profiles' managed by
> MetadataManager (MM). See MM javadoc.
>
> In the 'normal' repository.xml only declare connection
> specific stuff (jdbc-connection-descriptors, by default in
> repository_database.xml sub-file).
> Then create additional repository files without connection
> metadata. Say all production relevant class-descriptors are declared
> in
> 'production.xml' file (with several sub-files if needed). Then create
> another repository file 'test.xml' and declare all TEST
> class-descriptor.
>
> With MetadataManager it is now possible to load/read these
> repository at runtime (before the first call to
> PersistenceBrokerFactory
> [PBF] is made) and add these as profiles
> MM.addProfile("production", prodRepository)
> MM.addProfile("test", testRepository)
> (you can set one of these DescriptorRepository instances as
> global repository - see MM javadoc).
>
> Now it is possible to load a dedicated profile using
> MM.loadProfile("test")
> for the calling thread at runtime before ask the PBF for
> a PersistenceBroker instance.
> Pitfall: be careful with caching, e.g. only use
> ObjectCachePerBrokerImpl
>
> Would this help you?
>
> regards,
> Armin
>
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: "OJB Users List" <[EMAIL PROTECTED]>
> Sent: Tuesday, September 16, 2003 5:04 PM
> Subject: Antwort: RE: Using different Qualifiers in DB2
>
>
> >
> > Hello,
> >
> > whoops, that was a copying error, the classes are named different,
> I
> > just added a second class-descriptor to make the example clearer.
> >
> > What I meant: PRODUCTION.USER and TEST.USER
> > I want to switch the PRODUCTION to TEST and vice versa during
> > runtime.
> > Here is the correct XML:
> >
> > <class-descriptor class="User" table="PRODUCTION.USER">
> > .........
> > </class-descriptor>
> > <class-descriptor class="Order" table="PRODUCTION.ORDER">
> > .........
> > </class-descriptor>
> >
> > and the second XML is
> >
> > <class-descriptor class="User" table="TEST.USER">
> > .........
> > </class-descriptor>
> > <class-descriptor class="Order" table="TEST.ORDER">
> > .........
> > </class-descriptor>
> >
> > Lasse
> >
> >
> >
> >
> >
> > |---------+--------------------------->
> > | | [EMAIL PROTECTED]|
> > | | de |
> > | | |
> > | | 16.09.03 16:48 |
> > | | Bitte antworten |
> > | | an "OJB Users |
> > | | List" |
> > | | |
> > |---------+--------------------------->
> >
> >
> ----------------------------------------------------------------------
-
>
> --------------------------------------------------------|
> > |
> |
> > | An: [EMAIL PROTECTED]
> |
> > | Kopie:
> |
> > | Thema: RE: Using different Qualifiers in DB2
> |
> >
> >
> ----------------------------------------------------------------------
-
>
> --------------------------------------------------------|
> >
> >
> >
> > Hello Lasse,
> >
> > > -----Original Message-----
> > >
> > > <class-descriptor class="User" table="PRODUCTION.USER">
> > > .........
> > > </class-descriptor>
> > > <class-descriptor class="User" table="PRODUCTION.ORDER">
> > ^^^^
> > I suppose you mean 'Order' here?
> >
> > > .........
> > > </class-descriptor>
> > >
> > > and
> > >
> > > <class-descriptor class="User" table="TEST.USER">
> > > .........
> > > </class-descriptor>
> > > <class-descriptor class="User" table="TEST.ORDER">
> > ^^^^
> > ditto.
> >
> > > .........
> > > </class-descriptor>
> >
> > >
> > > - The qualifier depends on what the user has choosen at the login
> > of
> > > our application
> > > - It's a webbased application
> > >
> > > Is there a way I can set the qualifier at runtime in order to
> > switch
> > > between them?
> >
> > Something like (untested)
> >
> > mdm = org.apache.ojb.broker.metadata.MetadataManager.getInstance();
> > dr = mdm.getDescriptorRepository();
> > cld = dr.getDescriptorFor(User.class);
> > cld.setTableName("TEST.USER");
> >
> > might work. Given that in your application several users access
> the
> > database with different qualifiers, you may have to switch back and
> > forth and care abot multithreading. I do not know what happens
> then,
> > maybe someone else can help.
> >
> > Olli
> >
> >
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> >
> >
> >
> >
> >
> >
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>
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