private List<Object> applyRules(
List<Object> treeObjects, Element newChildElementData, Element scopeElement)
throws Exception {
List<Rule> rules =
ruleRepository.getRuleBywatchObjectAndWatchCategoryAndWatchSubType(
Element.class.toString(), scopeElement.getCategory(), scopeElement.getSubType());
for (Object o : treeObjects) {
if (o instanceof Element && ((Element) o).getId().equals(scopeElement.getId())) {
rootElement = (Element) o;
}
}
for (Rule rule : rules) {
System.out.println("Applying Rule :" + rule.getRuleName());
KnowledgeBase kbase = createKnowledgeBase(rule.getRuleFile(), rule.getRuleFileType());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
StringTokenizer st = new StringTokenizer(rule.getRuleTriggerFact(), "|");
String triggerFactPackage = st.nextToken();
String triggerFactName = st.nextToken();
FactType triggerFact = kbase.getFactType(triggerFactPackage, triggerFactName);
Object triggerFactInstance = triggerFact.newInstance();
if (rule.getRuleTriggerFactParams() != null) {
triggerFactInstance =
setTriggerFactInstanceParams(
triggerFact, triggerFactInstance, rule.getRuleTriggerFactParams());
}
if (rule.getRuleParams() != null) {
ksession = setSessionVariables(ksession, rule.getRuleParams());
}
ksession.insert(triggerFactInstance);
ksession.insert(rootElement);
ksession.fireAllRules();
ksession.dispose();
}
return treeObjects;
}
@Test
public void testEventExpires() throws Exception {
String timerRule =
"package org.drools.test\n"
+ "declare TestEvent \n"
+ " @role( event )\n"
+ " @expires( 10s )\n"
+ "end\n"
+ ""
+ "rule TimerRule \n"
+ " when \n"
+ " TestEvent( ) from entry-point \"Test\"\n"
+ " then \n"
+ "end";
KnowledgeBaseConfiguration kbconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kbconf.setOption(EventProcessingOption.STREAM);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbconf);
Resource resource = ResourceFactory.newByteArrayResource(timerRule.getBytes());
Collection<KnowledgePackage> kpackages = buildKnowledgePackage(resource, ResourceType.DRL);
kbase.addKnowledgePackages(kpackages);
StatefulKnowledgeSession ksession = createSession(kbase);
FactType type = kbase.getFactType("org.drools.test", "TestEvent");
Assert.assertNotNull("could not get type", type);
ksession = disposeAndReloadSession(ksession, kbase);
ksession.getWorkingMemoryEntryPoint("Test").insert(type.newInstance());
ksession.fireAllRules();
ksession = disposeAndReloadSession(ksession, kbase);
ksession = disposeAndReloadSession(ksession, kbase);
}
@Override
public void prepare(TestCase testCase) {
facts = new ArrayList<Object>(maxStep);
FactType inputObject = ksession.getKnowledgeBase().getFactType("opencds.test", "InputObject");
try {
Object obj = null;
obj = inputObject.newInstance();
inputObject.set(obj, "id", "00A001");
facts.add(obj);
ksession.insert(obj);
} catch (InstantiationException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
} catch (IllegalAccessException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
wCounter = 0;
tCounter++;
}
private Object setTriggerFactInstanceParams(
FactType triggerFact, Object triggerFactInstance, String triggerFactInstanceParams)
throws Exception {
StringTokenizer st = new StringTokenizer(triggerFactInstanceParams, "|");
while (st.hasMoreTokens()) {
StringTokenizer st1 = new StringTokenizer(st.nextToken(), ",");
String paramName = st1.nextToken();
String paramValue = st1.nextToken();
Object o = null;
if (paramValue.equalsIgnoreCase("EXIST")) {
Field f = getClass().getDeclaredField(paramName);
System.out.println(f.get(this));
o = f.get(this);
}
triggerFact.set(triggerFactInstance, paramName, o);
}
return triggerFactInstance;
}
@Override
public void prepare(TestCase testCase) {
facts = new ArrayList<Object>(maxStep);
FactType observationResult =
ksession.getKnowledgeBase().getFactType("opencds.test", "ObservationResult2");
try {
for (int j = 0; j < maxStep; j++) {
Object obs = null;
obs = observationResult.newInstance();
CD cdFocus = new CD();
cdFocus.setCodeSystem("AHRQ v4.3");
cdFocus.setCode("10220");
observationResult.set(
obs, "id", "001" + Integer.toString(j)); // UUID.randomUUID().toString());
observationResult.set(obs, "observationFocus", cdFocus);
observationResult.set(obs, "subjectIsFocalPerson", true);
CD cdCoded = new CD();
cdCoded.setCodeSystem("AHRQ v4.3");
cdCoded.setCode("34254");
ObservationValue obsValue = new ObservationValue();
obsValue.setConcept(cdCoded);
obsValue.setIdentifier(UUID.randomUUID().toString());
observationResult.set(obs, "observationValue", obsValue);
facts.add(obs);
ksession.insert(obs);
}
} catch (InstantiationException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
} catch (IllegalAccessException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
}