----- Original Message ----- From: "Konstantin Priblouda" <[EMAIL PROTECTED]> To: "Mauro Sergio Silva" <[EMAIL PROTECTED]> Sent: Tuesday, December 16, 2003 9:07 AM Subject: Re: [Hibernate] Xdoclet stuffs...
> > --- Mauro Sergio Silva <[EMAIL PROTECTED]> > wrote: > > Hi Konstantin > > Hi Mario, > I think we shall move this tread to hibernate forum. > As you may see, we discussing this off the list, and > hibernate folks can not correct us. > > ( I'm already discussing xdoclet stuff there ) > > > > ----- Original Message ----- > > From: "Konstantin Priblouda" <[EMAIL PROTECTED]> > > To: "Mauro Sergio Silva" <[EMAIL PROTECTED]> > > Sent: Monday, December 15, 2003 11:55 AM > > Subject: Re: [Hibernate] Xdoclet stuffs... > > > > > > > > > > --- Mauro Sergio Silva <[EMAIL PROTECTED]> > > > wrote: > > > > Sorry, I was thinking that it was an answer from > > > > Hibernate-devel list(couse > > > > the text appended in your e-mail) > > > > > > Yes it was. But I happen to be xdoclet comiter, > > and > > > I'm working on xdoclet2 plugin right now... > > > > > > > I think the confusion is couse the coment in > > > > hibernate dtd. > > > > > > It's in deed somehow confusing... > > > > > > > The column element that could be placed in > > propertys > > > > and ids is the only > > > > place where I could use the sql-type attribute. > > > > Hibernate has a tool called schemaexport that > > reads > > > > the hbm.xmls and > > > > generate the schema of your database using those > > > > informations, there is > > > > other tool called schema update that generate > > the > > > > update of your schema > > > > based in jdbc metada. If you want to custumize > > the > > > > ddl generated based in > > > > your mapping files you culd put some > > informations in > > > > your > > > > schema like sql-type to custumize the generated > > ddl. > > > > > > > > For example if you declare your id as an string > > the > > > > schemaexport will > > > > generate your id as a varchar[255] for mysql > > > > dialect. But if you use the > > > > column element inside the id element and specify > > the > > > > sql-type attribute as > > > > char[32], for example) the schema exprot will > > > > generate your id column as a > > > > varchar[32] for mysql dialect that is the right > > > > column lenght to uuid.hex > > > > ( 32 lenght id). > > > > > > > > > I do not know much about schemaexport. But column > > > elements are somehow tricky, and not well > > supported by > > > xdoclet. For nested column elements we will have > > to > > > specify additional xdoclet tags ( for example like > > > @hibernate.key-column or @hibernate.index-column > > ) > > > > > > And as those column sepcifications are required > > only > > > for composite keys, alternative would be to look > > up > > > class in question, and proces his ID properties... > > > ( this is even more tricky, and this class is may > > be > > > not available as source... ) > > > > > This is exactly the point where we desagree. You > > sad that column > > specification is required only for composite keys, > > but > > there is other two situations where column element > > is used in mapping files, > > in both situations the column is used > > to the same porpuse to custumize the ddl. I will use > > some examples in the > > ReferenceDocumentation 2.1 of Hibernate > > to ilustrate what I'm talking about (the PDF version > > to be much precise). I > > know that you are not a Hibernate developer I'm > > using the reference just to clarify my example. > > > > First in page 4 Section 1.3 Mapping the cat in the > > id element you culd see a > > nested element column, custumizing the way > > the ddl will be genertated. You culd see in this > > example that the column > > element culd be used in the id element, not in > > composite key. > > > > In the page 5 you culd see the same use of column > > element inside the > > property for the same porpouse. > > > > In chapter 5 section 5.4 it talks about Custumizing > > the DDL and it talks > > about the use of column element iside a property. > > You can see that > > in the secon example it doesn't refeare about > > sql-type attribute, couse if > > you see in the dtd there is only one place where the > > sql-type > > attribute culd be used that is in the column > > element. > > > > On chapter 18 section 18.1.1 custumizing the schema > > page 116 again you culd > > see some examples using the column element. > > > > In the version 1.2 b4 you culd use columns elemnts > > in propertys to generate > > mapping files like in the examples above becouse > > the properties.xsd the column is merged inside > > property and it generate the > > column attribute or the column element if you use > > the > > the hibenate.property and hibernate.column in the > > same method,it works fine. > > What i did was patch the column.xsd and merged > > it in the id element changind the hibernate.xsd too. > > > > The point is if it is possible to use the colun > > inside id ant property when > > I write the mapping by hand Why it wuld not be > > possible to generate > > it using xdoclete, in fact with the 1.2b4 you culd > > use it in propertys. > > > Well, our usage pattern does differ. > > I never use schema export - I just dump my test > database ( produced by my unit tests ) and then > tune schema manually. > > And it does not happen oft.... > > I see now, that I have to provide column elements > ( and respective tags ) > > > > > You may look into current development of xdoclet 2 > > > plugin -- if you manage to compile verything > > > necessary... > > > ( may be tricky ) > > > > > Unfortunatly I culd not get the xdoclet version 2 > > from CVS. When I tryed to > > do it in the sourceforge host there is a file saying > > that the code was moved > > to xdoclet.codehous.org but the code isnt there > > too. :(. > > This is also tricky :) There are several components > now > > xdoclet itself lives at: xdoclet.codehaus.org > ( you will need this, as well as generama - same > repository: > :pserver:[EMAIL PROTECTED]:/cvsroot/xdoclet > modules xdoclet / generama > ) > > You will also need: > - qdox ( qdox.codehaus.org ) - > :pserver:[EMAIL PROTECTED]:/cvsroot/qdox qdox > - picocontainer > :pserver:[EMAIL PROTECTED]:/cvsroot/picocontainer > pico > - picoextras - > :pserver:[EMAIL PROTECTED]:/cvsroot/nanocontainer > nano > > and of course xdoclet-2 plugins: > > they are at sourceforge as project xdoclet-plugins... > > I can not promiss that everything will compile off the > shelf... > > regards, > > ===== > ----[ Konstantin Pribluda ( ko5tik ) ]---------------- > Zu Verst�rkung meines Teams suche ich ab Sofort einen > Softwareentwickler[In] f�r die Festanstellung. > Arbeitsort: Mainz > Skills: Programieren, Kentnisse in OpenSource-Bereich > ----[ http://www.pribluda.de ]------------------------ > > __________________________________ > Do you Yahoo!? > Protect your identity with Yahoo! 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