Thanks, I will try that...

2010/11/18 Anderson Rocha <anderson.ufal@gmail.com>
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,
Anderson

2010/11/18 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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