I think that is the minimum code needed to create a kagent with custom
configuration.
The only line you could remove is:
kbase = kagent.getKnowledgeBase();
Because you are using incremental change-set processing (
drools.agent.newInstance = false), you don't need to obtain a reference to
the new kbase, because there is no new kbase. The agent will use the same
kbase you provided.
If you don't want to use incremental change-set processing, then you must
keep that line, and you could remove any reference to
KnowledgeAgentConfiguration.
Best,
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Esteban Aliverti
- Developer @
http://www.plugtree.com
- Blog @
http://ilesteban.wordpress.com
2010/8/23 Tina Vießmann <tviessmann(a)stud.hs-bremen.de>
Hi,
I want to create a KnowledgeBase using stream processing mode, getting its
resources from an change-set xml and getting the updated when resources are
changed. So far I'm aware I need a KnowledgeAgent and a configuration for
the kagent and the kbase.
My code is:
// create knowledge base
// knowledge base configuration
KnowledgeBaseConfiguration kbaseConf =
KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kbaseConf.setOption(EventProcessingOption.STREAM);
// knowledge base
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);
// create knowledge agent
// create knowledge agent configuration
KnowledgeAgentConfiguration kagentConf =
KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
//enable incremental knowledge base build
kagentConf.setProperty("drools.agent.newInstance", "false");
//create knowledge agent
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent("AITS CEP
Engine Agent", kbase, kagentConf);
// apply change-set XML to knowledge agent
kagent.applyChangeSet(ResourceFactory.newClassPathResource("changeset.xml"));
// get updated knowledge base object
kbase = kagent.getKnowledgeBase();
// create session
session = kbase.newStatefulKnowledgeSession();
Can it be done in a more compact way?
Thank you! :)
Tina
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