Examples with WorkflowProcessInstanceImpl io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl used on opensource projects

Example 1 with WorkflowProcessInstanceImpl

use of io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl in project automatiko-engine by automatiko-io.

the class AbstractProtobufProcessInstanceMarshaller method readProcessInstance.

// Input methods
public ProcessInstance readProcessInstance(MarshallerReaderContext context) throws IOException {
    AutomatikoMessages.ProcessInstance _instance = (io.automatiko.engine.workflow.marshalling.impl.AutomatikoMessages.ProcessInstance) context.parameterObject;
    if (_instance == null) {
        // try to parse from the stream
        ExtensionRegistry registry = PersisterHelper.buildRegistry(context, null);
        Header _header;
        try {
            _header = PersisterHelper.readFromStreamWithHeaderPreloaded(context, registry);
        } catch (ClassNotFoundException e) {
            // Java 5 does not accept [new IOException(String, Throwable)]
            IOException ioe = new IOException("Error deserializing process instance.");
            ioe.initCause(e);
            throw ioe;
        }
        _instance = AutomatikoMessages.ProcessInstance.parseFrom(_header.getPayload(), registry);
    }
    WorkflowProcessInstanceImpl processInstance = createProcessInstance();
    processInstance.setId(_instance.getId());
    String processId = _instance.getProcessId();
    processInstance.setProcessId(processId);
    String processXml = _instance.getProcessXml();
    Process process = null;
    if (processXml != null && processXml.trim().length() > 0) {
        processInstance.setProcessXml(processXml);
        process = processInstance.getProcess();
    } else {
        process = context.processes.get(processId);
        if (process == null) {
            throw new RuntimeException("Could not find process " + processId + " when restoring process instance " + processInstance.getId());
        }
        processInstance.setProcess(process);
    }
    processInstance.setDescription(_instance.getDescription());
    processInstance.internalSetState(_instance.getState());
    processInstance.setParentProcessInstanceId(_instance.getParentProcessInstanceId());
    processInstance.setRootProcessInstanceId(_instance.getRootProcessInstanceId());
    processInstance.setRootProcessId(_instance.getRootProcessId());
    processInstance.setSignalCompletion(_instance.getSignalCompletion());
    processInstance.setInitiator(_instance.getInitiator());
    processInstance.setCorrelationKey(_instance.getCorrelationKey());
    processInstance.setStartDate(new Date(_instance.getStartDate()));
    processInstance.internalSetSlaCompliance(_instance.getSlaCompliance());
    if (_instance.getSlaDueDate() > 0) {
        processInstance.internalSetSlaDueDate(new Date(_instance.getSlaDueDate()));
    }
    processInstance.internalSetSlaTimerId(_instance.getSlaTimerId());
    processInstance.setProcessRuntime(context.getProcessRuntime());
    List<ExecutionsErrorInfo> errors = new ArrayList<>();
    for (io.automatiko.engine.workflow.marshalling.impl.AutomatikoMessages.ProcessInstance.Error error : _instance.getErrorsList()) {
        errors.add(new ExecutionsErrorInfo(error.getErrorNodeId(), error.getErrorId(), error.getErrorMessage(), error.getErrorDetails()));
    }
    processInstance.internalSetExecutionErrors(errors);
    processInstance.setReferenceId(_instance.getReferenceId());
    processInstance.internalSetReferenceFromRoot(_instance.getReferenceFromRoot());
    for (String completedNodeId : _instance.getCompletedNodeIdsList()) {
        processInstance.addCompletedNodeId(completedNodeId);
    }
    if (_instance.getChildrenCount() > 0) {
        _instance.getChildrenList().forEach(child -> processInstance.addChildren(child.getProcessId(), child.getIdsList()));
    }
    if (_instance.getTagsCount() > 0) {
        _instance.getTagsList().forEach(tag -> processInstance.internalAddTag(tag.getId(), tag.getValue()));
    }
    if (_instance.getSwimlaneContextCount() > 0) {
        Context swimlaneContext = ((io.automatiko.engine.workflow.base.core.Process) process).getDefaultContext(SwimlaneContext.SWIMLANE_SCOPE);
        SwimlaneContextInstance swimlaneContextInstance = (SwimlaneContextInstance) processInstance.getContextInstance(swimlaneContext);
        for (AutomatikoMessages.ProcessInstance.SwimlaneContextInstance _swimlane : _instance.getSwimlaneContextList()) {
            swimlaneContextInstance.setActorId(_swimlane.getSwimlane(), _swimlane.getActorId());
        }
    }
    for (AutomatikoMessages.ProcessInstance.NodeInstance _node : _instance.getNodeInstanceList()) {
        context.parameterObject = _node;
        readNodeInstance(context, processInstance, processInstance);
    }
    if (processInstance.getState() == ProcessInstance.STATE_ACTIVE || processInstance.getState() == ProcessInstance.STATE_ERROR) {
        for (AutomatikoMessages.ProcessInstance.ExclusiveGroupInstance _excl : _instance.getExclusiveGroupList()) {
            ExclusiveGroupInstance exclusiveGroupInstance = new ExclusiveGroupInstance();
            processInstance.addContextInstance(ExclusiveGroup.EXCLUSIVE_GROUP, exclusiveGroupInstance);
            for (String nodeInstanceId : _excl.getGroupNodeInstanceIdList()) {
                NodeInstance nodeInstance = ((io.automatiko.engine.workflow.process.instance.NodeInstanceContainer) processInstance).getNodeInstance(nodeInstanceId, true);
                if (nodeInstance == null) {
                    throw new IllegalArgumentException("Could not find node instance when deserializing exclusive group instance: " + nodeInstanceId);
                }
                exclusiveGroupInstance.addNodeInstance(nodeInstance);
            }
        }
    }
    readVariableScope(context, process, processInstance, _instance);
    if (_instance.getIterationLevelsCount() > 0) {
        for (AutomatikoMessages.IterationLevel _level : _instance.getIterationLevelsList()) {
            processInstance.getIterationLevels().put(_level.getId(), _level.getLevel());
        }
    }
    return processInstance;
}

Example 2 with WorkflowProcessInstanceImpl

use of io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl 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 3 with WorkflowProcessInstanceImpl

use of io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl 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 4 with WorkflowProcessInstanceImpl

use of io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl in project automatiko-engine by automatiko-io.

the class CompensationScopeInstance method handleException.

public void handleException(io.automatiko.engine.api.runtime.process.NodeInstance nodeInstance, String activityRef, Object dunno) {
    assert activityRef != null : "It should not be possible for the compensation activity reference to be null here.";
    CompensationScope compensationScope = (CompensationScope) getExceptionScope();
    // broadcast/general compensation in reverse order
    if (activityRef.startsWith(IMPLICIT_COMPENSATION_PREFIX)) {
        activityRef = activityRef.substring(IMPLICIT_COMPENSATION_PREFIX.length());
        assert activityRef.equals(compensationScope.getContextContainerId()) : "Compensation activity ref [" + activityRef + "] does not match" + " Compensation Scope container id [" + compensationScope.getContextContainerId() + "]";
        Map<String, ExceptionHandler> handlers = compensationScope.getExceptionHandlers();
        List<String> completedNodeIds = ((WorkflowProcessInstanceImpl) getProcessInstance()).getCompletedNodeIds();
        ListIterator<String> iter = completedNodeIds.listIterator(completedNodeIds.size());
        while (iter.hasPrevious()) {
            String completedId = iter.previous();
            ExceptionHandler handler = handlers.get(completedId);
            if (handler != null) {
                handleException(nodeInstance, handler, completedId, null);
            }
        }
    } else {
        // Specific compensation
        ExceptionHandler handler = compensationScope.getExceptionHandler(activityRef);
        if (handler == null) {
            throw new IllegalArgumentException("Could not find CompensationHandler for " + activityRef);
        }
        handleException(nodeInstance, handler, activityRef, null);
    }
    // Cancel all node instances created for compensation
    while (!compensationInstances.isEmpty()) {
        NodeInstance generatedInstance = compensationInstances.pop();
        ((NodeInstanceContainer) generatedInstance.getNodeInstanceContainer()).removeNodeInstance(generatedInstance);
    }
}

Example 5 with WorkflowProcessInstanceImpl

use of io.automatiko.engine.workflow.process.instance.impl.WorkflowProcessInstanceImpl in project automatiko-engine by automatiko-io.

the class CompensationScopeInstance method handleException.

public void handleException(io.automatiko.engine.api.runtime.process.NodeInstance nodeInstance, ExceptionHandler handler, String compensationActivityRef, Object dunno) {
    WorkflowProcessInstanceImpl processInstance = (WorkflowProcessInstanceImpl) getProcessInstance();
    NodeInstanceContainer nodeInstanceContainer = (NodeInstanceContainer) getContextInstanceContainer();
    if (handler instanceof CompensationHandler) {
        CompensationHandler compensationHandler = (CompensationHandler) handler;
        try {
            Node handlerNode = compensationHandler.getnode();
            if (handlerNode instanceof BoundaryEventNode) {
                NodeInstance compensationHandlerNodeInstance = nodeInstanceContainer.getNodeInstance(handlerNode);
                compensationInstances.add(compensationHandlerNodeInstance);
                // The BoundaryEventNodeInstance.signalEvent() contains the necessary logic
                // to check whether or not compensation may proceed (? : (not-active +
                // completed))
                EventNodeInstance eventNodeInstance = (EventNodeInstance) compensationHandlerNodeInstance;
                eventNodeInstance.signalEvent("Compensation", compensationActivityRef);
            } else if (handlerNode instanceof EventSubProcessNode) {
                // Check that subprocess parent has completed.
                List<String> completedIds = processInstance.getCompletedNodeIds();
                if (completedIds.contains(((NodeImpl) handlerNode.getParentContainer()).getMetaData("UniqueId"))) {
                    NodeInstance subProcessNodeInstance = ((NodeInstanceContainer) nodeInstanceContainer).getNodeInstance((Node) handlerNode.getParentContainer());
                    compensationInstances.add(subProcessNodeInstance);
                    NodeInstance compensationHandlerNodeInstance = ((NodeInstanceContainer) subProcessNodeInstance).getNodeInstance(handlerNode);
                    compensationInstances.add(compensationHandlerNodeInstance);
                    EventSubProcessNodeInstance eventNodeInstance = (EventSubProcessNodeInstance) compensationHandlerNodeInstance;
                    eventNodeInstance.signalEvent("Compensation", compensationActivityRef);
                }
            }
            assert handlerNode instanceof BoundaryEventNode || handlerNode instanceof EventSubProcessNode : "Unexpected compensation handler node type : " + handlerNode.getClass().getSimpleName();
        } catch (Exception e) {
            throwWorkflowRuntimeException(nodeInstanceContainer, processInstance, "Unable to execute compensation.", e);
        }
    } else {
        Exception e = new IllegalArgumentException("Unsupported compensation handler: " + handler);
        throwWorkflowRuntimeException(nodeInstanceContainer, processInstance, e.getMessage(), e);
    }
}