Examples with BoundaryEventNode org.jbpm.workflow.core.node.BoundaryEventNode used on opensource projects

Example 11 with BoundaryEventNode

use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.

the class BoundaryEventHandler method handleMessageNode.

protected void handleMessageNode(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);
        } else if ("dataOutputAssociation".equals(nodeName)) {
            readDataOutputAssociation(xmlNode, eventNode);
        } else if ("messageEventDefinition".equals(nodeName)) {
            String messageRef = ((Element) xmlNode).getAttribute("messageRef");
            Map<String, Message> messages = (Map<String, Message>) ((ProcessBuildData) parser.getData()).getMetaData("Messages");
            if (messages == null) {
                throw new IllegalArgumentException("No messages found");
            }
            Message message = messages.get(messageRef);
            if (message == null) {
                throw new IllegalArgumentException("Could not find message " + messageRef);
            }
            eventNode.setMetaData("MessageType", message.getType());
            List<EventFilter> eventFilters = new ArrayList<EventFilter>();
            EventTypeFilter eventFilter = new EventTypeFilter();
            eventFilter.setType("Message-" + messageRef);
            eventFilters.add(eventFilter);
            eventNode.setScope("external");
            eventNode.setEventFilters(eventFilters);
        }
        xmlNode = xmlNode.getNextSibling();
    }
}

Example 12 with BoundaryEventNode

use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.

the class BoundaryEventHandler method handleErrorNode.

@SuppressWarnings("unchecked")
protected void handleErrorNode(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.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);
        } else if ("dataOutputAssociation".equals(nodeName)) {
            readDataOutputAssociation(xmlNode, eventNode);
        } else if ("errorEventDefinition".equals(nodeName)) {
            String errorRef = ((Element) xmlNode).getAttribute("errorRef");
            if (errorRef != null && errorRef.trim().length() > 0) {
                List<Error> errors = (List<Error>) ((ProcessBuildData) parser.getData()).getMetaData("Errors");
                if (errors == null) {
                    throw new IllegalArgumentException("No errors found");
                }
                Error error = null;
                for (Error listError : errors) {
                    if (errorRef.equals(listError.getId())) {
                        error = listError;
                    }
                }
                if (error == null) {
                    throw new IllegalArgumentException("Could not find error " + errorRef);
                }
                String type = error.getErrorCode();
                boolean hasErrorCode = true;
                if (type == null) {
                    type = error.getId();
                    hasErrorCode = false;
                }
                String structureRef = error.getStructureRef();
                if (structureRef != null) {
                    Map<String, ItemDefinition> itemDefs = (Map<String, ItemDefinition>) ((ProcessBuildData) parser.getData()).getMetaData("ItemDefinitions");
                    if (itemDefs.containsKey(structureRef)) {
                        structureRef = itemDefs.get(structureRef).getStructureRef();
                    }
                }
                List<EventFilter> eventFilters = new ArrayList<EventFilter>();
                EventTypeFilter eventFilter = new EventTypeFilter();
                eventFilter.setType("Error-" + attachedTo + "-" + type);
                eventFilters.add(eventFilter);
                eventNode.setEventFilters(eventFilters);
                eventNode.setMetaData("ErrorEvent", type);
                eventNode.setMetaData("HasErrorEvent", hasErrorCode);
                eventNode.setMetaData("ErrorStructureRef", structureRef);
            }
        }
        xmlNode = xmlNode.getNextSibling();
    }
}

Example 13 with BoundaryEventNode

use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.

the class CompensationTest method createCompensationBoundaryEventProcess.

private RuleFlowProcess createCompensationBoundaryEventProcess(String processId, String[] workItemNames, final List<String> eventList) throws Exception {
    RuleFlowProcess process = new RuleFlowProcess();
    process.setAutoComplete(true);
    process.setId(processId);
    process.setName("CESP Process");
    process.setMetaData("Compensation", true);
    List<Variable> variables = new ArrayList<Variable>();
    Variable variable = new Variable();
    variable.setName("event");
    ObjectDataType personDataType = new ObjectDataType();
    personDataType.setClassName("java.lang.String");
    variable.setType(personDataType);
    variables.add(variable);
    process.getVariableScope().setVariables(variables);
    NodeCreator<StartNode> startNodeCreator = new NodeCreator<StartNode>(process, StartNode.class);
    NodeCreator<EndNode> endNodeCreator = new NodeCreator<EndNode>(process, EndNode.class);
    NodeCreator<WorkItemNode> workItemNodeCreator = new NodeCreator<WorkItemNode>(process, WorkItemNode.class);
    NodeCreator<BoundaryEventNode> boundaryNodeCreator = new NodeCreator<BoundaryEventNode>(process, BoundaryEventNode.class);
    NodeCreator<ActionNode> actionNodeCreator = new NodeCreator<ActionNode>(process, ActionNode.class);
    // Create process
    StartNode startNode = startNodeCreator.createNode("start");
    Node lastNode = startNode;
    WorkItemNode[] workItemNodes = new WorkItemNode[3];
    for (int i = 0; i < 3; ++i) {
        workItemNodes[i] = workItemNodeCreator.createNode("work" + (i + 1));
        workItemNodes[i].getWork().setName(workItemNames[i]);
        connect(lastNode, workItemNodes[i]);
        lastNode = workItemNodes[i];
    }
    EndNode endNode = endNodeCreator.createNode("end");
    connect(workItemNodes[2], endNode);
    // Compensation (boundary event) handlers
    for (int i = 0; i < 3; ++i) {
        createBoundaryEventCompensationHandler(process, workItemNodes[i], eventList, "" + i + 1);
    }
    return process;
}

Example 14 with BoundaryEventNode

use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.

the class ProcessHandler method postProcessNodes.

private void postProcessNodes(RuleFlowProcess process, NodeContainer container) {
    List<String> eventSubProcessHandlers = new ArrayList<String>();
    for (Node node : container.getNodes()) {
        if (node instanceof StateNode) {
            StateNode stateNode = (StateNode) node;
            String condition = (String) stateNode.getMetaData("Condition");
            Constraint constraint = new ConstraintImpl();
            constraint.setConstraint(condition);
            constraint.setType("rule");
            for (org.kie.api.definition.process.Connection connection : stateNode.getDefaultOutgoingConnections()) {
                stateNode.setConstraint(connection, constraint);
            }
        } else if (node instanceof NodeContainer) {
            // prepare event sub process
            if (node instanceof EventSubProcessNode) {
                EventSubProcessNode eventSubProcessNode = (EventSubProcessNode) node;
                Node[] nodes = eventSubProcessNode.getNodes();
                for (Node subNode : nodes) {
                    // avoids cyclomatic complexity
                    if (subNode == null || !(subNode instanceof StartNode)) {
                        continue;
                    }
                    List<Trigger> triggers = ((StartNode) subNode).getTriggers();
                    if (triggers == null) {
                        continue;
                    }
                    for (Trigger trigger : triggers) {
                        if (trigger instanceof EventTrigger) {
                            final List<EventFilter> filters = ((EventTrigger) trigger).getEventFilters();
                            for (EventFilter filter : filters) {
                                if (filter instanceof EventTypeFilter) {
                                    eventSubProcessNode.addEvent((EventTypeFilter) filter);
                                    String type = ((EventTypeFilter) filter).getType();
                                    if (type.startsWith("Error-") || type.startsWith("Escalation")) {
                                        String faultCode = (String) subNode.getMetaData().get("FaultCode");
                                        String replaceRegExp = "Error-|Escalation-";
                                        final String signalType = type;
                                        ExceptionScope exceptionScope = (ExceptionScope) ((ContextContainer) eventSubProcessNode.getNodeContainer()).getDefaultContext(ExceptionScope.EXCEPTION_SCOPE);
                                        if (exceptionScope == null) {
                                            exceptionScope = new ExceptionScope();
                                            ((ContextContainer) eventSubProcessNode.getNodeContainer()).addContext(exceptionScope);
                                            ((ContextContainer) eventSubProcessNode.getNodeContainer()).setDefaultContext(exceptionScope);
                                        }
                                        String faultVariable = null;
                                        if (trigger.getInAssociations() != null && !trigger.getInAssociations().isEmpty()) {
                                            faultVariable = trigger.getInAssociations().get(0).getTarget();
                                        }
                                        ActionExceptionHandler exceptionHandler = new ActionExceptionHandler();
                                        DroolsConsequenceAction action = new DroolsConsequenceAction("java", PROCESS_INSTANCE_SIGNAL_EVENT + signalType + "\", " + (faultVariable == null ? "null" : "kcontext.getVariable(\"" + faultVariable + "\")") + ");");
                                        exceptionHandler.setAction(action);
                                        exceptionHandler.setFaultVariable(faultVariable);
                                        if (faultCode != null) {
                                            String trimmedType = type.replaceFirst(replaceRegExp, "");
                                            exceptionScope.setExceptionHandler(trimmedType, exceptionHandler);
                                            eventSubProcessHandlers.add(trimmedType);
                                        } else {
                                            exceptionScope.setExceptionHandler(faultCode, exceptionHandler);
                                        }
                                    } else if (type.equals("Compensation")) {
                                        // 1. Find the parent sub-process to this event sub-process
                                        NodeContainer parentSubProcess;
                                        NodeContainer subProcess = eventSubProcessNode.getNodeContainer();
                                        Object isForCompensationObj = eventSubProcessNode.getMetaData("isForCompensation");
                                        if (isForCompensationObj == null) {
                                            eventSubProcessNode.setMetaData("isForCompensation", true);
                                            logger.warn("Overriding empty or false value of \"isForCompensation\" attribute on Event Sub-Process [" + eventSubProcessNode.getMetaData("UniqueId") + "] and setting it to true.");
                                        }
                                        if (subProcess instanceof RuleFlowProcess) {
                                            // ..how do you expect to signal compensation on the completed process (instance)?!?
                                            throw new IllegalArgumentException("Compensation Event Sub-Processes at the process level are not supported.");
                                        }
                                        parentSubProcess = ((Node) subProcess).getNodeContainer();
                                        // 2. The event filter (never fires, purely for dumping purposes) has already been added
                                        // 3. Add compensation scope
                                        String compensationHandlerId = (String) ((CompositeNode) subProcess).getMetaData("UniqueId");
                                        addCompensationScope(process, eventSubProcessNode, parentSubProcess, compensationHandlerId);
                                    }
                                }
                            }
                        } else if (trigger instanceof ConstraintTrigger) {
                            ConstraintTrigger constraintTrigger = (ConstraintTrigger) trigger;
                            if (constraintTrigger.getConstraint() != null) {
                                String processId = ((RuleFlowProcess) container).getId();
                                String type = "RuleFlowStateEventSubProcess-Event-" + processId + "-" + eventSubProcessNode.getUniqueId();
                                EventTypeFilter eventTypeFilter = new EventTypeFilter();
                                eventTypeFilter.setType(type);
                                eventSubProcessNode.addEvent(eventTypeFilter);
                            }
                        }
                    }
                }
            // for( Node subNode : nodes)
            }
            postProcessNodes(process, (NodeContainer) node);
        } else if (node instanceof EndNode) {
            handleIntermediateOrEndThrowCompensationEvent((EndNode) node);
        } else if (node instanceof ActionNode) {
            handleIntermediateOrEndThrowCompensationEvent((ActionNode) node);
        } else if (node instanceof EventNode) {
            final EventNode eventNode = (EventNode) node;
            if (!(eventNode instanceof BoundaryEventNode) && eventNode.getDefaultIncomingConnections().size() == 0) {
                throw new IllegalArgumentException("Event node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection");
            }
        }
    }
    // process fault node to disable termnate parent if there is event subprocess handler
    for (Node node : container.getNodes()) {
        if (node instanceof FaultNode) {
            FaultNode faultNode = (FaultNode) node;
            if (eventSubProcessHandlers.contains(faultNode.getFaultName())) {
                faultNode.setTerminateParent(false);
            }
        }
    }
}

Example 15 with BoundaryEventNode

use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.

the class ProcessHandler method checkBoundaryEventCompensationHandler.

/**
 * This logic belongs in {@link RuleFlowProcessValidator} -- except that {@link Association}s are a jbpm-bpmn2 class,
 * and {@link RuleFlowProcessValidator} is a jbpm-flow class..
 * </p>
 * Maybe we should have a BPMNProcessValidator class?
 *
 * @param association The association to check.
 * @param source The source of the association.
 * @param target The target of the association.
 */
private static void checkBoundaryEventCompensationHandler(Association association, Node source, Node target) {
    // - event node is boundary event node
    if (!(source instanceof BoundaryEventNode)) {
        throw new IllegalArgumentException("(Compensation) activities may only be associated with Boundary Event Nodes (not with" + source.getClass().getSimpleName() + " nodes [node " + ((String) source.getMetaData().get("UniqueId")) + "].");
    }
    BoundaryEventNode eventNode = (BoundaryEventNode) source;
    // - event node has compensationEvent
    List<EventFilter> eventFilters = eventNode.getEventFilters();
    boolean compensationCheckPassed = false;
    if (eventFilters != null) {
        for (EventFilter filter : eventFilters) {
            if (filter instanceof EventTypeFilter) {
                String type = ((EventTypeFilter) filter).getType();
                if (type != null && type.equals("Compensation")) {
                    compensationCheckPassed = true;
                }
            }
        }
    }
    if (!compensationCheckPassed) {
        throw new IllegalArgumentException("An Event [" + ((String) eventNode.getMetaData("UniqueId")) + "] linked from an association [" + association.getId() + "] must be a (Boundary) Compensation Event.");
    }
    // - boundary event node is attached to the correct type of node?
    /**
     * Tasks:
     * business: RuleSetNode
     * manual: WorkItemNode
     * receive: WorkItemNode
     * script: ActionNode
     * send: WorkItemNode
     * service: WorkItemNode
     * task: WorkItemNode
     * user: HumanTaskNode
     */
    String attachedToId = eventNode.getAttachedToNodeId();
    Node attachedToNode = null;
    for (Node node : eventNode.getNodeContainer().getNodes()) {
        if (attachedToId.equals(node.getMetaData().get("UniqueId"))) {
            attachedToNode = node;
            break;
        }
    }
    if (attachedToNode == null) {
        throw new IllegalArgumentException("Boundary Event [" + ((String) eventNode.getMetaData("UniqueId")) + "] is not attached to a node [" + attachedToId + "] that can be found.");
    }
    if (!(attachedToNode instanceof RuleSetNode || attachedToNode instanceof WorkItemNode || attachedToNode instanceof ActionNode || attachedToNode instanceof HumanTaskNode || attachedToNode instanceof CompositeNode || attachedToNode instanceof SubProcessNode)) {
        throw new IllegalArgumentException("Compensation Boundary Event [" + ((String) eventNode.getMetaData("UniqueId")) + "] must be attached to a task or sub-process.");
    }
    // - associated node is a task or subProcess
    compensationCheckPassed = false;
    if (target instanceof WorkItemNode || target instanceof HumanTaskNode || target instanceof CompositeContextNode || target instanceof SubProcessNode) {
        compensationCheckPassed = true;
    } else if (target instanceof ActionNode) {
        Object nodeTypeObj = ((ActionNode) target).getMetaData("NodeType");
        if (nodeTypeObj != null && nodeTypeObj.equals("ScriptTask")) {
            compensationCheckPassed = true;
        }
    }
    if (!compensationCheckPassed) {
        throw new IllegalArgumentException("An Activity [" + ((String) ((NodeImpl) target).getMetaData("UniqueId")) + "] associated with a Boundary Compensation Event must be a Task or a (non-Event) Sub-Process");
    }
    // - associated node does not have outgoingConnections of it's own
    compensationCheckPassed = true;
    NodeImpl targetNode = (NodeImpl) target;
    Map<String, List<org.kie.api.definition.process.Connection>> connectionsMap = targetNode.getOutgoingConnections();
    ConnectionImpl outgoingConnection = null;
    for (String connectionType : connectionsMap.keySet()) {
        List<org.kie.api.definition.process.Connection> connections = connectionsMap.get(connectionType);
        if (connections != null && !connections.isEmpty()) {
            for (org.kie.api.definition.process.Connection connection : connections) {
                Object hiddenObj = connection.getMetaData().get("hidden");
                if (hiddenObj != null && ((Boolean) hiddenObj)) {
                    continue;
                }
                outgoingConnection = (ConnectionImpl) connection;
                compensationCheckPassed = false;
                break;
            }
        }
    }
    if (!compensationCheckPassed) {
        throw new IllegalArgumentException("A Compensation Activity [" + ((String) targetNode.getMetaData("UniqueId")) + "] may not have any outgoing connection [" + (String) outgoingConnection.getMetaData("UniqueId") + "]");
    }
}