On top of Wolfgang's suggestions, you can also use Smooks for transformations, or, Camel/Spring similar to what Mark describes here:
http://blog.athico.com/2010/07/declarative-rest-services-for-drools.html Edson 2010/9/10 Wolfgang Laun <[email protected]>: > If you insert POJOs as facts in Jess, you'll have to write a > (deftemplace X (declare (from-class X))) > and the fields available for pattern matching in rules rely on the JavaBeans > convention. > > I have (quite successfully) used POJOs resulting from unmarshalling an XML > document (via JAXB) as facts, both in Drools and in Jess; most certainly > without writing any "copycat" fact classes and tedious transformations. > > As for globals: They play the same role in Drools as in Jess; in neither > system are they part of the working memory. > > I don't know what you could mean by a "standard fact class". > > As for iterating over all fact objects in Drools' WM, Drools provides > getObjects() in WorkingMemory; or you could set up a query and run this. > > -W > > > On 10 September 2010 14:54, Donald Winston <[email protected]> wrote: >> >> I'm reviewing JBoss Rules (Drools) for an application I'm starting to >> build. It appears that the only way to assert facts is to use the >> insert(Object) method where the object is a bean using the proper naming >> conventions for it's properties. There also appears to be a way to use >> arbitrary objects using globals but do these end up in the fact base? It's >> disturbing to me that I have to create a bunch of classes whose sole purpose >> in life is to support the rule base. This is similar to using java server >> pages and having to create a bunch of classes just to support each page. >> That's why I don't use java server pages and use xsl transformations >> instead. I want to use my xml jdom document to represent my data and not >> have to create a bunch of beans. I can't seem to find anything in the api >> where I can assert facts without creating my own custom classes. There's no >> standard Fact class? >> >> I've been also experimenting with Jess and it provides an easy way for me >> to do this. I just iterate through my jdom document and create Fact objects >> and assert them. I can then execute the rules and then iterate through the >> updated fact base using engine.listFacts() and update my jdom document. It >> couldn't be easier or more natural. Is there an analogous way to do this in >> Drools? >> >> >> Thank you very much. >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > > -- Edson Tirelli JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com _______________________________________________ rules-users mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-users
