You should only repeat
knowledgeBuilder.add(resource, ResourceType.DRL);
for each rule.
The next thing you can do is to serialize the compiled rule
packages.
You should also consider using Guvnor to manage your rules.
On 07/01/2011 14:05, Piotr Jedrychowski
wrote:
Hello.
I'm loading a big amount of rules during starting of JBoss
(20000 rules). All rules (in string format) are available before
JBoss startup - they are stored into database. Rules are loaded
one by one and it takes about 90 minutes. I want to speed up
this process. Is there something like "bulk load" for inserting
rules into knowledge base or another smart way to fast loading a
big amount of rules?
I'm using:
1) Drools 5.1
2) JBoss 4.2.3
My source code looks like this:
String rule
= ...
Resource resource = ResourceFactory.newReaderResource(new
StringReader(rule));
KnowledgeBuilder knowledgeBuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder();
knowledgeBuilder.add(resource, ResourceType.DRL);
knowledgeBase.addKnowledgePackages(knowledgeBuilder.getKnowledgePackages());
Regards,
Piotr
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