Hello, and thank you for your reply !
I have a question about unique OID's (and ID's and IDREF's) ... Thusly spake Vadim Gritsenko: > > > From: F Baube [mailto:[EMAIL PROTECTED]] > > > > Cocoon 2.0.2, Xindice 1.0, Tomcat 4.0.4-b3 on Linux... > > > > I'm trying to work thru the Cocoon tutorial, > > and I'd like to get it to work with Xindice. > To work with xindice, you can use XML:DB source > (see sample sitemap) and XML:DB transformer > (in the scratchpad). when you say "sample sitemap" I guess you mean http://xml.apache.org/cocoon/userdocs/concepts/sitemap.html http://localhost:8080/cocoon/documents/userdocs/concepts/sitemap.html about the XML:DB transformer "org.apache.cocoon.transformation.XMLDBTransformer" I see that it takes an OID argument, which it adds into the DB as an "OID" attribute. do you have code to create unique ID's ? obviously this OID should be unique within the collection. but if it is also unique _across_ collections, then it can be used as the value of an IDREF. to do this, each ID should be a combination of the collection name plus a string that is unique _within_ the collection. this could be a timestamp; to guarantee uniqueness, normally one-second resolution would be enough. but this means there should still be some sort of centralized ID allocator. in the Cocoon architecture, is it possible to make a Singleton which is accessible from _all_ Generators and Transformers ? > Vadim thanks again, fred -- F. Baube * "We have free speech but everyone is fbaube @ * afraid to use it." -- Jimmy Breslin welho.com * +358 41 536 8192 --------------------------------------------------------------------- Please check that your question has not already been answered in the FAQ before posting. <http://xml.apache.org/cocoon/faq/index.html> To unsubscribe, e-mail: <[EMAIL PROTECTED]> For additional commands, e-mail: <[EMAIL PROTECTED]>
