Examples with KieServices org.kie.api.KieServices used on opensource projects

Example 1 with KieServices

use of org.kie.api.KieServices in project opennms by OpenNMS.

the class DroolsNorthbounder method initializeDroolsEngine.

/**
 * Initialize drools engine.
 *
 * @throws Exception the exception
 */
private void initializeDroolsEngine() throws Exception {
    KieServices ks = KieServices.Factory.get();
    KieFileSystem kFileSystem = ks.newKieFileSystem();
    for (String ruleFile : m_engine.getRuleFiles()) {
        LOG.debug("Loading rules file: {}", ruleFile);
        kFileSystem.write("src/main/resources/" + ruleFile, ks.getResources().newFileSystemResource(new File(ruleFile)));
    }
    KieBuilder kbuilder = ks.newKieBuilder(kFileSystem);
    kbuilder.buildAll();
    if (kbuilder.getResults().hasMessages(org.kie.api.builder.Message.Level.ERROR)) {
        LOG.warn("Unable to initialize Drools engine: {}", kbuilder.getResults().getMessages(Level.ERROR));
        throw new IllegalStateException("Unable to initialize Drools engine: " + kbuilder.getResults().getMessages(Level.ERROR));
    }
    KieContainer kContainer = ks.newKieContainer(ks.getRepository().getDefaultReleaseId());
    AssertBehaviour behaviour = AssertBehaviour.determineAssertBehaviour(m_engine.getAssertBehaviour());
    RuleBaseConfiguration ruleBaseConfig = new RuleBaseConfiguration();
    ruleBaseConfig.setAssertBehaviour(behaviour);
    ruleBaseConfig.setEventProcessingMode(EventProcessingOption.STREAM);
    m_kieBase = kContainer.newKieBase(ruleBaseConfig);
    m_kieSession = m_kieBase.newKieSession();
    m_kieSession.setGlobal("engine", this);
    unmarshallStateFromDisk(true);
    ApplicationContext ctx = m_context;
    if (m_engine.getAppContext() != null) {
        ctx = new FileSystemXmlApplicationContext(new String[] { m_engine.getAppContext() }, m_context);
    }
    for (Global global : m_engine.getGlobals()) {
        m_kieSession.setGlobal(global.getName(), global.constructValue(ctx));
    }
    new Thread(() -> {
        Logging.putPrefix(getName());
        LOG.debug("Starting task thread for {}", getName());
        m_kieSession.fireUntilHalt();
        LOG.debug("Stopping task thread for {}", getName());
    }, "FireTask-" + getName()).start();
}

Example 2 with KieServices

use of org.kie.api.KieServices in project drools by kiegroup.

the class GuidedScoreCardIntegrationJavaClassesOnClassPathTest method testIncrementalCompilation.

@Test
public void testIncrementalCompilation() throws Exception {
    String xml1_1 = Helper.createEmptyGuidedScoreCardXML();
    String xml1_2 = Helper.createGuidedScoreCardXML();
    KieServices ks = KieServices.Factory.get();
    KieFileSystem kfs = ks.newKieFileSystem();
    kfs.write("pom.xml", Helper.getPom());
    kfs.write("src/main/resources/META-INF/kmodule.xml", Helper.getKModule());
    kfs.write("src/main/resources/sc1.scgd", xml1_1);
    // Add empty Score Card
    KieBuilder kieBuilder = ks.newKieBuilder(kfs).buildAll();
    final List<Message> messages = kieBuilder.getResults().getMessages();
    Helper.dumpMessages(messages);
    assertEquals(0, messages.size());
    // Update with complete Score Card
    kfs.write("src/main/resources/sc1.scgd", xml1_2);
    IncrementalResults results = ((InternalKieBuilder) kieBuilder).incrementalBuild();
    final List<Message> addedMessages = results.getAddedMessages();
    final List<Message> removedMessages = results.getRemovedMessages();
    Helper.dumpMessages(addedMessages);
    assertEquals(0, addedMessages.size());
    Helper.dumpMessages(removedMessages);
    assertEquals(0, removedMessages.size());
}

Example 3 with KieServices

use of org.kie.api.KieServices in project drools by kiegroup.

the class GuidedScoreCardIntegrationJavaClassesOnClassPathTest method testCompletedScoreCardCompilation.

@Test
public void testCompletedScoreCardCompilation() throws Exception {
    String xml1 = Helper.createGuidedScoreCardXML();
    KieServices ks = KieServices.Factory.get();
    KieFileSystem kfs = ks.newKieFileSystem();
    kfs.write("pom.xml", Helper.getPom());
    kfs.write("src/main/resources/META-INF/kmodule.xml", Helper.getKModule());
    kfs.write("src/main/resources/sc1.scgd", xml1);
    // Add complete Score Card
    KieBuilder kieBuilder = ks.newKieBuilder(kfs).buildAll();
    final List<Message> messages = kieBuilder.getResults().getMessages();
    Helper.dumpMessages(messages);
    assertEquals(0, messages.size());
}

Example 4 with KieServices

use of org.kie.api.KieServices in project drools by kiegroup.

the class GuidedScoreCardIntegrationJavaClassesAddedToKieFileSystemTest method testIncrementalCompilation.

@Test
public void testIncrementalCompilation() throws Exception {
    String xml1_1 = Helper.createEmptyGuidedScoreCardXML();
    String xml1_2 = Helper.createGuidedScoreCardXML();
    KieServices ks = KieServices.Factory.get();
    KieFileSystem kfs = ks.newKieFileSystem();
    kfs.write("pom.xml", Helper.getPom());
    kfs.write("src/main/resources/META-INF/kmodule.xml", Helper.getKModule());
    kfs.write("src/main/java/org/drools/workbench/models/guided/scorecard/backend/test2/Applicant.java", Helper.getApplicant());
    kfs.write("src/main/java/org/drools/workbench/models/guided/scorecard/backend/test2/ApplicantAttribute.java", Helper.getApplicantAttribute());
    kfs.write("src/main/resources/org/drools/workbench/models/guided/scorecard/backend/test2/sc1.scgd", xml1_1);
    // Add empty Score Card
    KieBuilder kieBuilder = ks.newKieBuilder(kfs).buildAll();
    final List<Message> messages = kieBuilder.getResults().getMessages();
    Helper.dumpMessages(messages);
    assertEquals(0, messages.size());
    // Update with complete Score Card
    kfs.write("src/main/resources/sc1.scgd", xml1_2);
    IncrementalResults results = ((InternalKieBuilder) kieBuilder).incrementalBuild();
    final List<Message> addedMessages = results.getAddedMessages();
    final List<Message> removedMessages = results.getRemovedMessages();
    Helper.dumpMessages(addedMessages);
    assertEquals(0, addedMessages.size());
    Helper.dumpMessages(removedMessages);
    assertEquals(0, removedMessages.size());
}

Example 5 with KieServices

use of org.kie.api.KieServices in project drools by kiegroup.

the class IncrementalCompilationTest method testEventDeclarationInSeparatedDRL.

@Test
public void testEventDeclarationInSeparatedDRL() throws Exception {
    // DROOLS-1241
    String drl1 = "import " + SimpleEvent.class.getCanonicalName() + ";\n" + "declare SimpleEvent\n" + "    @role( event )\n" + "    @timestamp( timestamp )\n" + "    @expires( 2d )\n" + "end\n";
    String drl2 = "import " + SimpleEvent.class.getCanonicalName() + ";\n" + "global java.util.List list;\n" + "rule R1 when\n" + "    $s:SimpleEvent(code==\"MY_CODE\") over window:time( 1s )\n" + "then\n" + "    list.add(\"MY_CODE\");\n" + "end\n";
    String drl3 = "import " + SimpleEvent.class.getCanonicalName() + ";\n" + "global java.util.List list;\n" + "rule R2 when\n" + "    $s:SimpleEvent(code==\"YOUR_CODE\") over window:time( 1s )\n" + "then\n" + "    list.add(\"YOUR_CODE\");\n" + "end\n";
    KieServices ks = KieServices.Factory.get();
    KieModuleModel kproj = ks.newKieModuleModel();
    KieBaseModel kieBaseModel1 = kproj.newKieBaseModel("KBase1").setDefault(true).setEventProcessingMode(EventProcessingOption.STREAM);
    KieSessionModel ksession1 = kieBaseModel1.newKieSessionModel("KSession1").setDefault(true).setType(KieSessionModel.KieSessionType.STATEFUL).setClockType(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
    ReleaseId releaseId1 = ks.newReleaseId("org.kie", "test-cep-upgrade", "1.1.1");
    KieModule km = deployJar(ks, createKJar(ks, kproj, releaseId1, null, drl1, drl2));
    KieContainer kc = ks.newKieContainer(km.getReleaseId());
    KieSession ksession = kc.newKieSession();
    List<String> list = new ArrayList<String>();
    ksession.setGlobal("list", list);
    ksession.insert(new SimpleEvent("1", "MY_CODE", 0));
    ksession.insert(new SimpleEvent("2", "YOUR_CODE", 0));
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertEquals("MY_CODE", list.get(0));
    list.clear();
    ReleaseId releaseId2 = ks.newReleaseId("org.kie", "test-cep-upgrade", "1.1.2");
    // the null drl placeholder is used to have the same drl with a different file name
    // this causes the removal and readdition of both rules
    km = deployJar(ks, createKJar(ks, kproj, releaseId2, null, drl1, drl2, drl3));
    Results results = kc.updateToVersion(releaseId2);
    assertEquals(0, results.getMessages().size());
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertEquals("YOUR_CODE", list.get(0));
}