Examples with ProcessInstance io.automatiko.engine.api.workflow.ProcessInstance used on opensource projects

Example 1 with ProcessInstance

use of io.automatiko.engine.api.workflow.ProcessInstance in project automatiko-engine by automatiko-io.

the class ProcessInstanceMarshaller method marhsallProcessInstance.

public byte[] marhsallProcessInstance(ProcessInstance<?> processInstance) {
    io.automatiko.engine.api.runtime.process.ProcessInstance pi = ((AbstractProcessInstance<?>) processInstance).internalGetProcessInstance();
    if (pi == null) {
        return null;
    }
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
        ProcessMarshallerWriteContext context = new ProcessMarshallerWriteContext(baos, ((io.automatiko.engine.workflow.base.instance.ProcessInstance) pi).getProcessRuntime(), null, env);
        context.setProcessInstanceId(pi.getId());
        context.setState(pi.getState());
        String processType = pi.getProcess().getType();
        context.stream.writeUTF(processType);
        io.automatiko.engine.workflow.marshalling.impl.ProcessInstanceMarshaller marshaller = ProcessMarshallerRegistry.INSTANCE.getMarshaller(processType);
        Object result = marshaller.writeProcessInstance(context, pi);
        if (marshaller instanceof ProtobufRuleFlowProcessInstanceMarshaller && result != null) {
            AutomatikoMessages.ProcessInstance _instance = (AutomatikoMessages.ProcessInstance) result;
            PersisterHelper.writeToStreamWithHeader(context, _instance);
        }
        context.close();
        ((WorkflowProcessInstanceImpl) pi).disconnect();
        return baos.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException("Error while marshalling process instance", e);
    }
}

Example 2 with ProcessInstance

use of io.automatiko.engine.api.workflow.ProcessInstance in project automatiko-engine by automatiko-io.

the class ProcessInstanceMarshaller method importProcessInstance.

@SuppressWarnings({ "rawtypes", "unchecked" })
public ProcessInstance importProcessInstance(ExportedProcessInstance<?> instance, Process process) {
    List<Map<String, String>> timers = instance.convertTimers();
    WorkflowProcessInstance wpi = importWorkflowProcessInstance((String) instance.getHeader(), (String) instance.getInstance(), timers, process);
    Model model = ((AbstractProcess) process).createModel();
    model.fromMap(wpi.getVariables());
    ProcessInstance processInstance = ((AbstractProcess) process).createInstance(wpi, model, 1);
    if (timers != null && !timers.isEmpty()) {
        String parentProcessInstanceId = wpi.getParentProcessInstanceId();
        if (parentProcessInstanceId != null && !parentProcessInstanceId.isEmpty()) {
            parentProcessInstanceId += ":";
        } else {
            parentProcessInstanceId = "";
        }
        JobsService jobService = ((WorkflowProcessInstanceImpl) wpi).getProcessRuntime().getJobsService();
        Collection<io.automatiko.engine.workflow.process.instance.NodeInstance> nodes = ((WorkflowProcessInstanceImpl) wpi).getNodeInstances(true);
        // keeps iterator for statebased node instance timers
        Map<String, Iterator<Timer>> nodeInstanceTimers = new LinkedHashMap<>();
        for (Map<String, String> timer : timers) {
            String nodeInstanceId = timer.get("nodeInstanceId");
            for (io.automatiko.engine.workflow.process.instance.NodeInstance ni : nodes) {
                if (ni.getId().equals(nodeInstanceId)) {
                    ExpirationTime expirationTime = null;
                    long timerNodeId = 0;
                    if (((NodeInstanceImpl) ni).getRetryJobId() != null && ((NodeInstanceImpl) ni).getRetryJobId().equals(timer.get("timerId"))) {
                        jobService.scheduleProcessInstanceJob(ProcessInstanceJobDescription.of(timer.get("timerId"), ni.getNodeId(), "retry:" + ni.getId(), expirationTime, ((NodeInstanceImpl) ni).getProcessInstanceIdWithParent(), ni.getProcessInstance().getRootProcessInstanceId(), ni.getProcessInstance().getProcessId(), ni.getProcessInstance().getProcess().getVersion(), ni.getProcessInstance().getRootProcessId()));
                        break;
                    } else if (ni instanceof TimerNodeInstance) {
                        TimerNodeInstance nodeInstance = (TimerNodeInstance) ni;
                        timerNodeId = nodeInstance.getTimerNode().getTimer().getId();
                        expirationTime = nodeInstance.createTimerInstance(nodeInstance.getTimerNode().getTimer());
                        expirationTime.reset(ZonedDateTime.parse(timer.get("scheduledAt")));
                    } else if (ni instanceof StateBasedNodeInstance) {
                        StateBasedNodeInstance nodeInstance = (StateBasedNodeInstance) ni;
                        if (nodeInstance.getTimerInstances().contains(timer.get("timerId"))) {
                            Iterator<Timer> it = nodeInstanceTimers.computeIfAbsent(nodeInstanceId, k -> nodeInstance.getEventBasedNode().getTimers().keySet().iterator());
                            expirationTime = nodeInstance.createTimerInstance(it.next());
                            expirationTime.reset(ZonedDateTime.parse(timer.get("scheduledAt")));
                        }
                    }
                    // lastly schedule timer on calculated expiration time
                    jobService.scheduleProcessInstanceJob(ProcessInstanceJobDescription.of(timer.get("timerId"), timerNodeId, expirationTime, ((NodeInstanceImpl) ni).getProcessInstanceIdWithParent(), wpi.getRootProcessInstanceId(), wpi.getProcessId(), wpi.getProcess().getVersion(), wpi.getRootProcessId()));
                    break;
                }
            }
        }
    }
    return processInstance;
}

Example 3 with ProcessInstance

use of io.automatiko.engine.api.workflow.ProcessInstance in project automatiko-engine by automatiko-io.

the class PublishEventTest method testProcessWithMilestoneEvents.

@Test
public void testProcessWithMilestoneEvents() throws Exception {
    Application app = generateCodeProcessesOnly("cases/milestones/SimpleMilestone.bpmn");
    assertThat(app).isNotNull();
    TestEventPublisher publisher = new TestEventPublisher();
    app.unitOfWorkManager().eventManager().setService("http://myhost");
    app.unitOfWorkManager().eventManager().addPublisher(publisher);
    UnitOfWork uow = app.unitOfWorkManager().newUnitOfWork();
    uow.start();
    Process<? extends Model> p = app.processes().processById("TestCase.SimpleMilestone_1_0");
    ProcessInstance<?> processInstance = p.createInstance(p.createModel());
    processInstance.start();
    assertThat(processInstance.status()).isEqualTo(ProcessInstance.STATE_COMPLETED);
    uow.end();
    List<DataEvent<?>> events = publisher.extract();
    assertThat(events).isNotNull().hasSize(1);
    DataEvent<?> event = events.get(0);
    assertThat(event).isInstanceOf(ProcessInstanceDataEvent.class);
    ProcessInstanceDataEvent processDataEvent = (ProcessInstanceDataEvent) event;
    assertThat(processDataEvent.getSource()).isEqualTo("http://myhost/SimpleMilestone");
    Set<MilestoneEventBody> milestones = ((ProcessInstanceDataEvent) event).getData().getMilestones();
    assertThat(milestones).hasSize(2).extracting(e -> e.getName(), e -> e.getStatus()).containsExactlyInAnyOrder(tuple("AutoStartMilestone", Status.COMPLETED.name()), tuple("SimpleMilestone", Status.COMPLETED.name()));
}

Example 4 with ProcessInstance

use of io.automatiko.engine.api.workflow.ProcessInstance in project automatiko-engine by automatiko-io.

the class UserTaskTest method testApprovalWithReadonlyVariableTags.

@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void testApprovalWithReadonlyVariableTags() throws Exception {
    Application app = generateCodeProcessesOnly("usertask/approval-with-readonly-variable-tags.bpmn2");
    assertThat(app).isNotNull();
    Class<?> resourceClazz = Class.forName("org.acme.travels.ApprovalsModel", true, testClassLoader());
    assertNotNull(resourceClazz);
    Field approverField = resourceClazz.getDeclaredField("approver");
    assertThat(approverField).isNotNull();
    assertThat(approverField.getType().getCanonicalName()).isEqualTo(String.class.getCanonicalName());
    Process<? extends Model> p = app.processes().processById("approvals");
    Model m = p.createModel();
    Map<String, Object> parameters = new HashMap<>();
    parameters.put("approver", "john");
    m.fromMap(parameters);
    ProcessInstance processInstance = p.createInstance(m);
    processInstance.start();
    assertEquals(io.automatiko.engine.api.runtime.process.ProcessInstance.STATE_ACTIVE, processInstance.status());
    final Model updates = p.createModel();
    parameters = new HashMap<>();
    parameters.put("approver", "mary");
    updates.fromMap(parameters);
    // updating readonly variable should fail
    assertThrows(VariableViolationException.class, () -> processInstance.updateVariables(updates));
    processInstance.abort();
    assertEquals(io.automatiko.engine.api.runtime.process.ProcessInstance.STATE_ABORTED, processInstance.status());
}

Example 5 with ProcessInstance

use of io.automatiko.engine.api.workflow.ProcessInstance in project automatiko-engine by automatiko-io.

the class TimerEventTest method testStartTimerEvent.

@Test
public void testStartTimerEvent() throws Exception {
    Application app = generateCodeProcessesOnly("timer/StartTimerDuration.bpmn2");
    assertThat(app).isNotNull();
    NodeLeftCountDownProcessEventListener listener = new NodeLeftCountDownProcessEventListener("timer fired", 1);
    ((DefaultProcessEventListenerConfig) app.config().process().processEventListeners()).register(listener);
    Process<? extends Model> p = app.processes().processById("defaultPackage.TimerProcess");
    // activate to schedule timers
    p.activate();
    boolean completed = listener.waitTillCompleted(5000);
    assertThat(completed).isTrue();
    Collection<?> instances = p.instances().values(1, 10);
    if (instances.size() == 0) {
        Thread.sleep(1000);
        instances = p.instances().values(1, 10);
    }
    assertThat(instances).hasSize(1);
    ProcessInstance<?> processInstance = (ProcessInstance<?>) instances.iterator().next();
    assertThat(processInstance).isNotNull();
    assertThat(processInstance.status()).isEqualTo(ProcessInstance.STATE_ACTIVE);
    processInstance.abort();
    assertThat(processInstance.status()).isEqualTo(ProcessInstance.STATE_ABORTED);
    instances = p.instances().values(1, 10);
    assertThat(instances).hasSize(0);
}