You can also use the CHANGE_SET.
http://downloads.jboss.com/drools/docs/5.1.1.34858.FINAL/drools-expert/html/ch02.html#d0e890
A change_set example, where "rules" and "ruleflows" are folders that must contain just .drl and .drf files respectively:
<?xml version="1.0" encoding="UTF-8"?>
<change-set xmlns='http://drools.org/drools-5.0/change-set'
xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'
xs:schemaLocation='http://drools.org/drools-5.0/change-set.xsd' >
<add>
<resource source='classpath:rules' type='DRL' />
<resource source='classpath:ruleflows' type='DRF' />
</add>
</change-set>
Also take a look at the Knowledge Agent session.
http://downloads.jboss.com/drools/docs/5.1.1.34858.FINAL/drools-expert/html/ch02.html#d0e918
Regards,
Anderson2010/11/18 Wolfgang Laun <wolfgang.laun@gmail.com>// Yesterday: serialize a KP collection
OutputStream os = new FileOutputStream( pkgPath );
ObjectOutputStream oos = new ObjectOutputStream( os );
oos.writeObject( kBuilder.getKnowledgePackages() );
oos.close();
// Today: load serialized packages
KnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
InputStream is = new FileInputStream( pkgPath );
ObjectInputStream ois = new ObjectInputStream( is );
@SuppressWarnings("unchecked")
Collection<KnowledgePackage> kpkgs = (Collection<KnowledgePackage>) ois.readObject();
ois.close();
kBase.addKnowledgePackages( kpkgs );
You may, of course, add more packages, compiled now.
-W
2010/11/18 Yaniv Itzhaki <iyaniv@gmail.com>_______________________________________________Hi,I wanted to know if it is possible to precompile rules/flows and load them on demand?Currently i am using the following code:KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); for (String file : files) { //(missing code) get files from directory and add them to KnowledgeBuilder (source files - rules and flows)
kbuilder.add(ResourceFactory.newFileResource(file), type); }private KnowledgeBase kb = KnowledgeBaseFactory.newKnowledgeBase(); kb.addKnowledgePackages(kbuilder.getKnowledgePackages());
Is there an option to add already precompiled files into KnowledgeBase and not compile them only during the initialization phase?
Thanks
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