Examples with RuleFlowProcessInstance org.jbpm.ruleflow.instance.RuleFlowProcessInstance used on opensource projects

Example 6 with RuleFlowProcessInstance

use of org.jbpm.ruleflow.instance.RuleFlowProcessInstance in project jbpm by kiegroup.

the class TimerTest method testTimer.

@Test
@Ignore
public void testTimer() {
    // AbstractRuleBase ruleBase = (AbstractRuleBase) RuleBaseFactory.newRuleBase();
    // ExecutorService executorService = new DefaultExecutorService();
    // final StatefulSession workingMemory = new ReteooStatefulSession(1, ruleBase, executorService);
    // executorService.setCommandExecutor( new CommandExecutor( workingMemory ) );
    KieBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    final KieSession workingMemory = kbase.newKieSession();
    RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance() {

        private static final long serialVersionUID = 510l;

        public void signalEvent(String type, Object event) {
            if ("timerTriggered".equals(type)) {
                TimerInstance timer = (TimerInstance) event;
                logger.info("Timer {} triggered", timer.getId());
                counter++;
            }
        }
    };
    processInstance.setKnowledgeRuntime(((InternalWorkingMemory) workingMemory).getKnowledgeRuntime());
    processInstance.setId(1234);
    InternalProcessRuntime processRuntime = ((InternalProcessRuntime) ((InternalWorkingMemory) workingMemory).getProcessRuntime());
    processRuntime.getProcessInstanceManager().internalAddProcessInstance(processInstance);
    new Thread(new Runnable() {

        public void run() {
            workingMemory.fireUntilHalt();
        }
    }).start();
    TimerManager timerManager = ((InternalProcessRuntime) ((InternalWorkingMemory) workingMemory).getProcessRuntime()).getTimerManager();
    TimerInstance timer = new TimerInstance();
    timerManager.registerTimer(timer, processInstance);
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
    // do nothing
    }
    assertEquals(1, counter);
    counter = 0;
    timer = new TimerInstance();
    timer.setDelay(500);
    timerManager.registerTimer(timer, processInstance);
    assertEquals(0, counter);
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
    // do nothing
    }
    assertEquals(1, counter);
    counter = 0;
    timer = new TimerInstance();
    timer.setDelay(500);
    timer.setPeriod(300);
    timerManager.registerTimer(timer, processInstance);
    assertEquals(0, counter);
    try {
        Thread.sleep(700);
    } catch (InterruptedException e) {
    // do nothing
    }
    assertEquals(1, counter);
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
    // do nothing
    }
    // we can't know exactly how many times this will fire as timers are not precise, but should be atleast 4
    assertTrue(counter >= 4);
    timerManager.cancelTimer(timer.getId());
    int lastCount = counter;
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
    // do nothing
    }
    assertEquals(lastCount, counter);
}

Example 7 with RuleFlowProcessInstance

use of org.jbpm.ruleflow.instance.RuleFlowProcessInstance in project jbpm by kiegroup.

the class UpdateTimerCommand method execute.

@Override
public Void execute(Context context) {
    logger.debug("About to cancel timer in process instance {} by name '{}' or id {}", processInstanceId, timerName, timerId);
    KieSession kieSession = ((RegistryContext) context).lookup(KieSession.class);
    TimerManager tm = getTimerManager(kieSession);
    RuleFlowProcessInstance wfp = (RuleFlowProcessInstance) kieSession.getProcessInstance(processInstanceId);
    if (wfp == null) {
        throw new IllegalArgumentException("Process instance with id " + processInstanceId + " not found");
    }
    for (NodeInstance nodeInstance : wfp.getNodeInstances(true)) {
        if (nodeInstance instanceof TimerNodeInstance) {
            TimerNodeInstance tni = (TimerNodeInstance) nodeInstance;
            if (tni.getNodeName().equals(timerName) || tni.getTimerId() == timerId) {
                TimerInstance timer = tm.getTimerMap().get(tni.getTimerId());
                TimerInstance newTimer = rescheduleTimer(timer, tm);
                logger.debug("New timer {} about to be registered", newTimer);
                tm.registerTimer(newTimer, wfp);
                tni.internalSetTimerId(newTimer.getId());
                logger.debug("New timer {} successfully registered", newTimer);
                break;
            }
        } else if (nodeInstance instanceof StateBasedNodeInstance) {
            StateBasedNodeInstance sbni = (StateBasedNodeInstance) nodeInstance;
            List<Long> timerList = sbni.getTimerInstances();
            if (sbni.getNodeName().equals(timerName) || (timerList != null && timerList.contains(timerId))) {
                if (timerList != null && timerList.size() == 1) {
                    TimerInstance timer = tm.getTimerMap().get(timerList.get(0));
                    TimerInstance newTimer = rescheduleTimer(timer, tm);
                    logger.debug("New timer {} about to be registered", newTimer);
                    tm.registerTimer(newTimer, wfp);
                    timerList.clear();
                    timerList.add(newTimer.getId());
                    sbni.internalSetTimerInstances(timerList);
                    logger.debug("New timer {} successfully registered", newTimer);
                }
                break;
            }
        }
    }
    return null;
}

Example 8 with RuleFlowProcessInstance

use of org.jbpm.ruleflow.instance.RuleFlowProcessInstance in project jbpm by kiegroup.

the class MVELReturnValueConstraintEvaluatorBuilderTest method testSimpleReturnValueConstraintEvaluator.

@Test
public void testSimpleReturnValueConstraintEvaluator() throws Exception {
    final InternalKnowledgePackage pkg = new KnowledgePackageImpl("pkg1");
    ReturnValueDescr descr = new ReturnValueDescr();
    descr.setText("return value");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    PackageBuildContext context = new PackageBuildContext();
    context.init(pkgBuilder, pkg, null, dialectRegistry, mvelDialect, null);
    pkgBuilder.addPackageFromDrl(new StringReader("package pkg1;\nglobal Boolean value;"));
    ReturnValueConstraintEvaluator node = new ReturnValueConstraintEvaluator();
    final MVELReturnValueEvaluatorBuilder builder = new MVELReturnValueEvaluatorBuilder();
    builder.build(context, node, descr, null);
    final InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(Arrays.asList(pkgBuilder.getPackages()));
    final KieSession ksession = kbase.newKieSession();
    ksession.setGlobal("value", true);
    RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();
    processInstance.setKnowledgeRuntime((InternalKnowledgeRuntime) ksession);
    SplitInstance splitInstance = new SplitInstance();
    splitInstance.setProcessInstance(processInstance);
    MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkgBuilder.getPackage("pkg1").getDialectRuntimeRegistry().getDialectData("mvel");
    ((MVELReturnValueEvaluator) node.getReturnValueEvaluator()).compile(data);
    assertTrue(node.evaluate(splitInstance, null, null));
    ksession.setGlobal("value", false);
    assertFalse(node.evaluate(splitInstance, null, null));
}

Example 9 with RuleFlowProcessInstance

use of org.jbpm.ruleflow.instance.RuleFlowProcessInstance in project jbpm by kiegroup.

the class TestStatefulKnowledgeSession method getProcessInstances.

public Collection<ProcessInstance> getProcessInstances() {
    List<ProcessInstance> pis = new ArrayList<ProcessInstance>();
    pis.add(new RuleFlowProcessInstance());
    return pis;
}

Example 10 with RuleFlowProcessInstance

use of org.jbpm.ruleflow.instance.RuleFlowProcessInstance in project jbpm by kiegroup.

the class TestStatefulKnowledgeSession method getProcessInstance.

public ProcessInstance getProcessInstance(long arg0) {
    RuleFlowProcessInstance pi = new RuleFlowProcessInstance();
    pi.setId(arg0);
    ProcessImpl processImpl = new ProcessImpl();
    processImpl.setId("" + arg0);
    pi.setProcess(processImpl);
    return pi;
}