Examples with BoundaryEventNode io.automatiko.engine.workflow.process.core.node.BoundaryEventNode used on opensource projects

Example 1 with BoundaryEventNode

use of io.automatiko.engine.workflow.process.core.node.BoundaryEventNode 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);
    }
}

Example 2 with BoundaryEventNode

use of io.automatiko.engine.workflow.process.core.node.BoundaryEventNode in project automatiko-engine by automatiko-io.

the class BoundaryEventHandler method handleEscalationNode.

@SuppressWarnings("unchecked")
protected void handleEscalationNode(final Node node, final Element element, final String uri, final String localName, final ExtensibleXmlParser parser, final String attachedTo, final boolean cancelActivity) throws SAXException {
    super.handleNode(node, element, uri, localName, parser);
    BoundaryEventNode eventNode = (BoundaryEventNode) node;
    eventNode.setMetaData("AttachedTo", attachedTo);
    /**
     * TODO: because of how we process bpmn2/xml files, we can't tell if the
     * cancelActivity attribute is set to false or not (because we override with the
     * xsd settings) BPMN2 spec, p. 255, Escalation row: "In contrast to an Error,
     * an Escalation by default is assumed to not abort the Activity to which the
     * boundary Event is attached."
     */
    eventNode.setMetaData("CancelActivity", cancelActivity);
    eventNode.setAttachedToNodeId(attachedTo);
    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
        String nodeName = xmlNode.getNodeName();
        if ("dataOutput".equals(nodeName)) {
            String id = ((Element) xmlNode).getAttribute("id");
            String outputName = ((Element) xmlNode).getAttribute("name");
            dataOutputs.put(id, outputName);
            populateDataOutputs(xmlNode, outputName, parser);
        } else if ("dataOutputAssociation".equals(nodeName)) {
            readDataOutputAssociation(xmlNode, eventNode, parser);
        } else if ("escalationEventDefinition".equals(nodeName)) {
            String escalationRef = ((Element) xmlNode).getAttribute("escalationRef");
            if (escalationRef != null && escalationRef.trim().length() > 0) {
                Map<String, Escalation> escalations = (Map<String, Escalation>) ((ProcessBuildData) parser.getData()).getMetaData(ProcessHandler.ESCALATIONS);
                if (escalations == null) {
                    throw new IllegalArgumentException("No escalations found");
                }
                Escalation escalation = escalations.get(escalationRef);
                if (escalation == null) {
                    throw new IllegalArgumentException("Could not find escalation " + escalationRef);
                }
                List<EventFilter> eventFilters = new ArrayList<EventFilter>();
                EventTypeFilter eventFilter = new EventTypeFilter();
                String type = escalation.getEscalationCode();
                eventFilter.setType("Escalation-" + attachedTo + "-" + type);
                eventFilters.add(eventFilter);
                eventNode.setEventFilters(eventFilters);
                eventNode.setMetaData("EscalationEvent", type);
            } else {
                throw new UnsupportedOperationException("General escalation is not yet supported.");
            }
        }
        xmlNode = xmlNode.getNextSibling();
    }
}

Example 3 with BoundaryEventNode

use of io.automatiko.engine.workflow.process.core.node.BoundaryEventNode in project automatiko-engine by automatiko-io.

the class BoundaryEventHandler method handleSignalNode.

protected void handleSignalNode(final Node node, final Element element, final String uri, final String localName, final ExtensibleXmlParser parser, final String attachedTo, final boolean cancelActivity) throws SAXException {
    super.handleNode(node, element, uri, localName, parser);
    BoundaryEventNode eventNode = (BoundaryEventNode) node;
    eventNode.setMetaData("AttachedTo", attachedTo);
    eventNode.setMetaData("CancelActivity", cancelActivity);
    eventNode.setAttachedToNodeId(attachedTo);
    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
        String nodeName = xmlNode.getNodeName();
        if ("dataOutput".equals(nodeName)) {
            String id = ((Element) xmlNode).getAttribute("id");
            String outputName = ((Element) xmlNode).getAttribute("name");
            dataOutputs.put(id, outputName);
            populateDataOutputs(xmlNode, outputName, parser);
        }
        if ("dataOutputAssociation".equals(nodeName)) {
            readDataOutputAssociation(xmlNode, eventNode, parser);
        } else if ("signalEventDefinition".equals(nodeName)) {
            String type = ((Element) xmlNode).getAttribute("signalRef");
            if (type != null && type.trim().length() > 0) {
                type = checkSignalAndConvertToRealSignalNam(parser, type);
                List<EventFilter> eventFilters = new ArrayList<EventFilter>();
                EventTypeFilter eventFilter = new EventTypeFilter();
                eventFilter.setType(type);
                eventFilters.add(eventFilter);
                eventNode.setEventFilters(eventFilters);
                eventNode.setScope("external");
                eventNode.setMetaData("SignalName", type);
            }
        }
        xmlNode = xmlNode.getNextSibling();
    }
}

Example 4 with BoundaryEventNode

use of io.automatiko.engine.workflow.process.core.node.BoundaryEventNode in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowParser method addErrorHandlingToState.

protected void addErrorHandlingToState(Workflow workflow, State state, ServerlessWorkflowFactory factory, AtomicLong ids, WorkflowProcess process, CompositeContextNode subprocess) {
    if (state.getOnErrors() != null) {
        for (io.serverlessworkflow.api.error.Error error : state.getOnErrors()) {
            List<ErrorDefinition> defs = new ArrayList<>();
            if (error.getErrorRef() != null) {
                workflow.getErrors().getErrorDefs().stream().filter(err -> err.getName().equals(error.getErrorRef())).forEach(err -> defs.add(err));
            } else {
                workflow.getErrors().getErrorDefs().stream().filter(err -> error.getErrorRefs().contains(err.getName())).forEach(err -> defs.add(err));
            }
            BoundaryEventNode errorNode = factory.errorBoundaryEventNode(ids.getAndIncrement(), defs, null, process, subprocess, workflow);
            if (error.getEnd() != null) {
                EndNode onErrorEnd = factory.endNode(ids.getAndIncrement(), state.getName() + "onErrorEnd", error.getEnd().isTerminate(), process);
                if (error.getEnd().getProduceEvents() != null && !error.getEnd().getProduceEvents().isEmpty()) {
                    produceEvents(error.getEnd().getProduceEvents(), factory, workflow, ids, process, errorNode.getId(), onErrorEnd.getId());
                } else {
                    factory.connect(errorNode.getId(), onErrorEnd.getId(), "connect_" + errorNode.getId() + "_" + onErrorEnd.getId(), process, false);
                }
            } else {
                if (error.getTransition().getNextState() != null) {
                    for (io.automatiko.engine.api.definition.process.Node node : process.getNodes()) {
                        if (node.getName().equals(error.getTransition().getNextState())) {
                            if (error.getTransition().getProduceEvents() != null && !error.getTransition().getProduceEvents().isEmpty()) {
                                produceEvents(error.getTransition().getProduceEvents(), factory, workflow, ids, process, errorNode.getId(), node.getId());
                            } else {
                                factory.connect(errorNode.getId(), node.getId(), "connect_" + errorNode.getId() + "_" + node.getId(), process, false);
                            }
                            break;
                        }
                    }
                }
            }
        }
    }
}

Example 5 with BoundaryEventNode

use of io.automatiko.engine.workflow.process.core.node.BoundaryEventNode in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowParser method buildActionsForState.

protected void buildActionsForState(Workflow workflow, List<Action> actions, NodeContainer embeddedSubProcess, ServerlessWorkflowFactory factory, AtomicLong ids, BiConsumer<Node, Node> firstLastNodeConsumer, BiConsumer<Node, Node> actionConsumer, boolean isParallel) {
    Node firstNode = null;
    Node lastNode = null;
    Node prevNode = null;
    for (Action action : actions) {
        if (action.getFunctionRef() != null) {
            // handle function based action
            Optional<FunctionDefinition> functionDefinition = workflow.getFunctions().getFunctionDefs().stream().filter(functionDef -> functionDef.getName().equals(action.getFunctionRef().getRefName())).distinct().findFirst();
            if (functionDefinition.get().getType() == FunctionDefinition.Type.EXPRESSION) {
                ActionNode actionNode = factory.expressionActionStateNode(ids.getAndIncrement(), action.getName(), embeddedSubProcess, functionDefinition.get().getOperation(), action);
                if (firstNode == null) {
                    firstNode = actionNode;
                }
                lastNode = actionNode;
            } else if (functionDefinition.get().getType() == null || functionDefinition.get().getType() == FunctionDefinition.Type.REST) {
                WorkItemNode serviceNode = factory.serviceNode(ids.getAndIncrement(), action, functionDefinition.get(), embeddedSubProcess);
                if (firstNode == null) {
                    firstNode = serviceNode;
                }
                lastNode = serviceNode;
                if (workflow.getTimeouts() != null && workflow.getTimeouts().getActionExecTimeout() != null) {
                    serviceNode.setMetaData("timeout", String.valueOf(DateTimeUtils.parseDuration(workflow.getTimeouts().getActionExecTimeout())));
                }
                if (action.getRetryableErrors() != null && !action.getRetryableErrors().isEmpty()) {
                    List<ErrorDefinition> defs = new ArrayList<>();
                    for (String errorRef : action.getRetryableErrors()) {
                        ErrorDefinition errorDef = workflow.getErrors().getErrorDefs().stream().filter(error -> error.getName().equals(errorRef)).findFirst().orElseThrow(() -> new IllegalStateException("Missing error definition for " + errorRef));
                        defs.add(errorDef);
                    }
                    RetryDefinition retry = null;
                    BoundaryEventNode errorNode = factory.errorBoundaryEventNode(ids.getAndIncrement(), defs, retry, embeddedSubProcess, serviceNode, workflow);
                    EndNode onErrorEnd = factory.endNode(ids.getAndIncrement(), action.getName() + "onErrorEnd", false, embeddedSubProcess);
                    factory.connect(errorNode.getId(), onErrorEnd.getId(), "connect_" + errorNode.getId() + "_" + onErrorEnd.getId(), embeddedSubProcess, false);
                }
            } else {
                throw new UnsupportedOperationException(functionDefinition.get().getType() + " is not yet supported");
            }
        } else if (action.getSubFlowRef() != null) {
            // handler sub workflow action definition
            String workflowId = Objects.requireNonNull(action.getSubFlowRef().getWorkflowId(), "Workflow id for subworkflow is mandatory");
            boolean independent = false;
            if (action.getSubFlowRef().getOnParentComplete() != null && action.getSubFlowRef().getOnParentComplete().equals(OnParentComplete.CONTINUE)) {
                independent = true;
            }
            boolean waitForCompletion = true;
            if (action.getSubFlowRef().getInvoke().equals(Invoke.ASYNC)) {
                waitForCompletion = false;
            }
            SubProcessNode callactivity = factory.callActivity(ids.getAndIncrement(), action.getName(), workflowId, waitForCompletion, embeddedSubProcess);
            callactivity.setIndependent(independent);
            callactivity.setProcessVersion(action.getSubFlowRef().getVersion());
            if (firstNode == null) {
                firstNode = callactivity;
            }
            lastNode = callactivity;
        }
        if (action.getSleep() != null && action.getSleep().getBefore() != null) {
            TimerNode sleep = factory.timerNode(ids.getAndIncrement(), "sleep-before-" + action.getName(), action.getSleep().getBefore(), embeddedSubProcess);
            factory.connect(sleep.getId(), firstNode.getId(), "connection_" + sleep.getId() + "_" + firstNode.getId(), embeddedSubProcess, false);
            firstNode = sleep;
        }
        if (action.getSleep() != null && action.getSleep().getAfter() != null) {
            TimerNode sleep = factory.timerNode(ids.getAndIncrement(), "sleep-after-" + action.getName(), action.getSleep().getAfter(), embeddedSubProcess);
            factory.connect(lastNode.getId(), sleep.getId(), "connection_" + lastNode.getId() + "_" + sleep.getId(), embeddedSubProcess, false);
            lastNode = sleep;
        }
        actionConsumer.accept(firstNode, lastNode);
        if (isParallel && actions.size() > 1) {
            // reset first node as all of action nodes will be first nodes
            firstNode = null;
        } else {
            if (prevNode != null) {
                factory.connect(prevNode.getId(), lastNode.getId(), "connect_" + prevNode.getId() + "_" + lastNode.getId(), embeddedSubProcess, false);
            }
        }
        prevNode = lastNode;
    }
    firstLastNodeConsumer.accept(firstNode, lastNode);
}