/**
* Reading rules from Guvnor
*
* @return KnowledgeBase - the Guvnor knowledge Base
*/
private static KnowledgeBase readRemoteKnowledgeBase() {
KnowledgeAgentConfiguration kaconf = KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
kaconf.setProperty("drools.agent.scanDirectories", "false");
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent("test agent", kaconf);
kagent.applyChangeSet(ResourceFactory.newClassPathResource("guvnor.xml"));
return kagent.getKnowledgeBase();
}
public void testDroolsGeneration(int i) throws Exception {
String filename = (i % 2 == 0) ? "/drools/stress1.drl" : "/drools/stress2.drl";
InputStreamReader reader =
new InputStreamReader(DroolsKnowledgeBaseTest.class.getResourceAsStream(filename));
KnowledgeAgentConfiguration aconf = KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
aconf.setProperty("drools.agent.newInstance", "false");
aconf.setProperty("drools.agent.monitorChangeSetEvents", "false");
aconf.setProperty("drools.agent.scanResources", "false");
KnowledgeBuilder builder = compileRules(reader);
KnowledgeAgent kagent =
KnowledgeAgentFactory.newKnowledgeAgent("Success Correspondence Agent", aconf);
KnowledgeBase kbase = kagent.getKnowledgeBase();
kbase.addKnowledgePackages(builder.getKnowledgePackages());
// kagent.monitorResourceChangeEvents(false);
Rule rule1 = kbase.getRule("com.rosettastone.succor", "Equal rule 1");
Rule rule5 = kbase.getRule("com.rosettastone.succor", "Equal rule 5");
Rule rule6 = kbase.getRule("com.rosettastone.succor", "Equal rule 6");
StatelessKnowledgeSession session = kbase.newStatelessKnowledgeSession();
if (i % 2 == 0) {
Assert.assertNotNull(rule1);
Assert.assertNotNull(rule5);
Assert.assertNull(rule6);
testRulesFirst(session);
} else {
Assert.assertNull(rule1);
Assert.assertNotNull(rule5);
Assert.assertNotNull(rule6);
testRulesSecond(session);
}
}
protected void addResource(StatefulKnowledgeSession kSession, Resource res) {
KnowledgeBase kbase = kSession.getKnowledgeBase();
ChangeSetImpl cs = new ChangeSetImpl();
cs.setResourcesAdded(Arrays.asList(res));
KnowledgeAgentConfiguration kaConfig = KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
kaConfig.setProperty("drools.agent.newInstance", "false");
KnowledgeAgent kAgent = KnowledgeAgentFactory.newKnowledgeAgent(" adder ", kbase, kaConfig);
kAgent.applyChangeSet(cs);
}
/**
* Check if all fields are initialized properly.
*
* <p>In this class, this method will check if the servicePeriodSplitDates contains null.
*
* @throws OPMConfigurationException if any needed field is not initialized properly.
* @since 1.1 OPM - Rules Engine - Scenarios Conversion 2 - Deduction Update Assembly
*/
@Override
@PostConstruct
public void checkConfiguration() {
super.checkConfiguration();
if (this.entityManager == null) {
throw new OPMConfigurationException("entityManager cannot be null.");
}
if (servicePeriodSplitDates != null) {
for (Date date : servicePeriodSplitDates) {
if (date == null) {
throw new OPMConfigurationException(
"Items in servicePeriodSplitDates list cannot be null.");
}
}
}
if (this.deductionTableTemplate == null) {
throw new OPMConfigurationException("deductionTableTemplate cannot be null.");
}
try {
// Generate deduction table
this.generateDeductionTable();
// Initialize knowledge agent
KnowledgeAgentConfiguration config = KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
// We have to set the newInstance property to false so that the knowledge base changes can be
// reflected
config.setProperty("drools.agent.newInstance", "false");
KnowledgeAgent knowledgeAgent =
KnowledgeAgentFactory.newKnowledgeAgent("deductionKnowledgeAgent", config);
// Substitute the classpath resource location with the file system resource location
String changeSet =
ServiceHelper.inputStreamToString(
ResourceFactory.newClassPathResource("deduction-change-set.xml").getInputStream());
changeSet =
changeSet.replace(
"classpath:rules/deduction_table.xls",
"file:" + this.deductionTableTemplate.getDecisionTableFile());
knowledgeAgent.applyChangeSet(
ResourceFactory.newByteArrayResource(changeSet.getBytes("utf-8")));
this.setKnowledgeAgent(knowledgeAgent);
} catch (IOException e) {
throw new OPMConfigurationException("Failed to initialize KnowledgeAgent.");
}
}
