private KnowledgeBuilder CreateKnowledgeBuilder(List <IRule> rules, TheiaClassLoader classLoader)
{
//Create configuration
KnowledgeBuilderConfiguration kBuilderConfiguration = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(null, classLoader);
//Create knowledgeBuilder
KnowledgeBuilder kBuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(kBuilderConfiguration);
foreach (var rule in rules)
{
//Create my resource
Resource myResource = ResourceFactory.newReaderResource(new java.io.StringReader(rule.Source));
//Add resource to KnowledgeBuilder
kBuilder.add(myResource, ResourceType.DRL);
var ruleErrors = kBuilder.getErrors();
if (ruleErrors.size() > 0)
{
throw new TheiaException(
$"The rule contains an error and can not be compiled: {System.Environment.NewLine}{ruleErrors}");
}
}
return(kBuilder);
}
public void runRules(String[] rules, java.lang.Object[] facts)
{
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
for (int i = 0; i < rules.Length; i++)
{
String ruleFile = rules[i];
Console.WriteLine("Loading file: " + ruleFile);
ruleFile = Path.GetFullPath(Path.Combine("rules", ruleFile));
kbuilder.add(ResourceFactory.newFileResource(ruleFile), ResourceType.DRL);
}
java.util.Collection pkgs = kbuilder.getKnowledgePackages();
kbase.addKnowledgePackages(pkgs);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
for (int i = 0; i < facts.Length; i++)
{
java.lang.Object fact = facts[i];
//Console.WriteLine("Inserting fact: " + fact);
ksession.insert(fact);
}
ksession.fireAllRules();
}
