Sorry David. Perhaps a Hibernate expert will have some answers for you
but I'm not familiar with the tool.
-Erik
On Tue, 2004-08-10 at 15:51, [EMAIL PROTECTED] wrote:
> Hi Erik,
>
> We're not using EJBs, just a web app accessing our business logic. Do you
> know if equals() needs to be defined in this case?
>
> I believe now that you can specify in each .hbm.xml the sequence name for
> each table, just trying to figure it out how to set it via Ant! I guess I
> could modify Middlegen too, but then it would be db specific.
>
> cheers,
>
> David
>
>
>
> |---------+------------------------------------------>
> | | Erik Wright |
> | | <[EMAIL PROTECTED]> |
> | | Sent by: |
> | | [EMAIL PROTECTED]|
> | | ceforge.net |
> | | |
> | | |
> | | 08/10/2004 01:46 PM |
> | | Please respond to |
> | | middlegen-user |
> | | |
> |---------+------------------------------------------>
>
> >------------------------------------------------------------------------------------------------------------------------|
> |
> |
> | To: [EMAIL PROTECTED]
> |
> | cc:
> |
> | Subject: Re: [Middlegen-user] Using sql files instead of the DB itself
> |
>
> >------------------------------------------------------------------------------------------------------------------------|
>
>
>
>
> Assuming you're using EJBs, as we are, you don't want to use equals() -
> use isIdenticalTo() instead. If you want custom comparison behaviour you
> will need to implement some sort of business method yourself by writing
> a merge file.
>
> For sequences, we did experiment with the built-in sequence behaviour,
> but to the best of my recollection all that was possible was to specify
> one sequence that would be shared amongst all tables.
>
> In the end, we modified Middlegen to have some very specific behaviour
> with regards to sequences and pk generation. If you want to customize
> the behaviour, you'll want to look at the entity bean template which is
> in the Middlegen source tree at:
>
> plugins/entitybean/src/middlegen/plugins/entitybean/entity-cmp-20.vm
>
> Ours looks up a Stateless Session Bean, passes the name of the table,
> and receives back a PK. The implementation of the bean is specific to
> our project.
>
> -Erik
>
> On Tue, 2004-08-10 at 13:24, [EMAIL PROTECTED] wrote:
> > Hi Erik,
> >
> > Do you do anything in your build process to set up the equals() method,
> or
> > sequence names? Am having difficulty automating this...
> >
> > cheers,
> >
> > David
> >
> >
> >
> > |---------+------------------------------------------>
> > | | Erik Wright |
> > | | <[EMAIL PROTECTED]> |
> > | | Sent by: |
> > | | [EMAIL PROTECTED]|
> > | | ceforge.net |
> > | | |
> > | | |
> > | | 08/10/2004 09:28 AM |
> > | | Please respond to |
> > | | middlegen-user |
> > | | |
> > |---------+------------------------------------------>
> >
> >------------------------------------------------------------------------------------------------------------------------|
>
> > |
> |
> > | To: [EMAIL PROTECTED]
> |
> > | cc:
> |
> > | Subject: Re: [Middlegen-user] Using sql files instead of the
> DB itself |
> >
> >------------------------------------------------------------------------------------------------------------------------|
>
> >
> >
> >
> >
> > You could always load the SQL into a temporary schema/database, or a
> > Cloudscape/HSQLDB in-memory DB or something, and then point Middlegen at
> > that.
> >
> > Our build process connects to Oracle, creates a user for the developer
> > performing the build (suffixes the user name with '_${env.USER}'), which
> > automatically creates a schema for them, then connects as that user and
> > inserts our schema via a SQL script. All that's left at that point is to
> > run Middlegen.
> >
> > But if you don't have that kind of flexibility with your actual DB
> > platform, I suppose you could run a DB locally, either a Java one (which
> > might be easier to configure as part of an integrated build) or MySQL,
> > PostgreSQL, etc.
> >
> > -Erik
> >
> > On Tue, 2004-08-10 at 01:36, Jonathan Scott wrote:
> > > Hi All,
> > >
> > > I am wondering if it is at all possible to read tables from a SQL file
> > instead of from the DB itself. The point being that the SQL files will
> tell
> > us the current structure of the DB better than a possibly out of date
> > schema, built only who knows when.
> > >
> > > If there is such a way to get the schema from files instead of the DB,
> > please advise on how to do it, or where to look on how to do it.
> > >
> > > Much appreciated,
> > > Jonathan Scott
> >
> >
> >
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