protected KieSession createKnowledgeSession(String processFile) throws Exception {
KieServices ks = KieServices.Factory.get();
KieRepository kr = ks.getRepository();
KieFileSystem kfs = ks.newKieFileSystem();
if (processFile != null) {
Resource process = ResourceFactory.newClassPathResource(processFile);
kfs.write(process);
}
KieBuilder kb = ks.newKieBuilder(kfs);
kb.buildAll();
if (kb.getResults().hasMessages(Level.ERROR)) {
throw new RuntimeException("Build Errors:\n" + kb.getResults().toString());
}
KieContainer kContainer = ks.newKieContainer(kr.getDefaultReleaseId());
KieBase kbase = kContainer.getKieBase();
Environment env = EnvironmentFactory.newEnvironment();
Properties defaultProps = new Properties();
defaultProps.setProperty(
"drools.processSignalManagerFactory", DefaultSignalManagerFactory.class.getName());
defaultProps.setProperty(
"drools.processInstanceManagerFactory",
DefaultProcessInstanceManagerFactory.class.getName());
SessionConfiguration conf = new SessionConfiguration(defaultProps);
KieSession ksession = (StatefulKnowledgeSession) kbase.newKieSession(conf, env);
return ksession;
}
@Test
public void testSignalStartDynamic() throws Exception {
KieBase kbase = createKnowledgeBase("BPMN2-SignalStart.bpmn2");
ksession = createKnowledgeSession(kbase);
// create KieContainer after session was created to make sure no runtime data
// will be used during serialization (deep clone)
KieServices ks = KieServices.Factory.get();
KieRepository kr = ks.getRepository();
KieContainer kContainer = ks.newKieContainer(kr.getDefaultReleaseId());
kContainer.getKieBase();
final List<Long> list = new ArrayList<Long>();
ksession.addEventListener(
new DefaultProcessEventListener() {
public void afterProcessStarted(ProcessStartedEvent event) {
logger.info("{}", event.getProcessInstance().getId());
list.add(event.getProcessInstance().getId());
}
});
ksession.signalEvent("MySignal", "NewValue");
Thread.sleep(500);
assertEquals(1, getNumberOfProcessInstances("Minimal"));
// now remove the process from kbase to make sure runtime based listeners are removed from
// signal manager
kbase.removeProcess("Minimal");
ksession.signalEvent("MySignal", "NewValue");
Thread.sleep(500);
// must be still one as the process was removed
assertEquals(1, getNumberOfProcessInstances("Minimal"));
}
/**
* This method loads the rule base associated with the Drools event processor.
*
* @return The knowledge base
*/
private KieBase loadRuleBase() {
String droolsRuleBase = getRuleName() + ".drl";
try {
KieServices ks = KieServices.Factory.get();
KieRepository kr = ks.getRepository();
KieModuleModel kmm = ks.newKieModuleModel();
KieBaseModel kbm =
kmm.newKieBaseModel(getRuleName())
.setEqualsBehavior(EqualityBehaviorOption.EQUALITY)
.setEventProcessingMode(EventProcessingOption.STREAM);
kbm.setDefault(true);
KieFileSystem kfs = ks.newKieFileSystem();
kfs.write(
"src/main/resources/" + kbm.getName() + "/rule1.drl",
ks.getResources().newClassPathResource(droolsRuleBase));
kfs.writeKModuleXML(kmm.toXML());
KieBuilder kb = ks.newKieBuilder(kfs);
kb.buildAll();
KieContainer container = ks.newKieContainer(kr.getDefaultReleaseId());
KieBase kbase = container.getKieBase();
// TODO: hack it for now, this attribute should be supported in the following drools6 release.
System.setProperty("kie.mbean", "enabled");
return kbase;
} catch (Throwable e) {
LOG.log(
Level.SEVERE,
MessageFormat.format(
java.util.PropertyResourceBundle.getBundle("ep-drools.Messages")
.getString("EP-DROOLS-1"),
droolsRuleBase,
getRuleName()),
e);
}
return (null);
}
