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

Example 31 with EventNode

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

the class XmlBPMNProcessDumper method visitNodesDi.

private void visitNodesDi(Node[] nodes, StringBuilder xmlDump) {
    for (Node node : nodes) {
        Integer x = (Integer) node.getMetaData().get("x");
        Integer y = (Integer) node.getMetaData().get("y");
        Integer width = (Integer) node.getMetaData().get("width");
        Integer height = (Integer) node.getMetaData().get("height");
        if (x == null) {
            x = 0;
        }
        if (y == null) {
            y = 0;
        }
        if (width == null) {
            width = 48;
        }
        if (height == null) {
            height = 48;
        }
        if (node instanceof StartNode || node instanceof EndNode || node instanceof EventNode || node instanceof FaultNode) {
            int offsetX = (int) ((width - 48) / 2);
            width = 48;
            x = x + offsetX;
            int offsetY = (int) ((height - 48) / 2);
            y = y + offsetY;
            height = 48;
        } else if (node instanceof Join || node instanceof Split) {
            int offsetX = (int) ((width - 48) / 2);
            width = 48;
            x = x + offsetX;
            int offsetY = (int) ((height - 48) / 2);
            y = y + offsetY;
            height = 48;
        }
        int parentOffsetX = 0;
        int parentOffsetY = 0;
        NodeContainer nodeContainer = node.getNodeContainer();
        while (nodeContainer instanceof CompositeNode) {
            CompositeNode parent = (CompositeNode) nodeContainer;
            Integer parentX = (Integer) parent.getMetaData().get("x");
            if (parentX != null) {
                parentOffsetX += parentX;
            }
            Integer parentY = (Integer) parent.getMetaData().get("y");
            if (parentY != null) {
                parentOffsetY += (Integer) parent.getMetaData().get("y");
            }
            nodeContainer = parent.getNodeContainer();
        }
        x += parentOffsetX;
        y += parentOffsetY;
        xmlDump.append("      <bpmndi:BPMNShape bpmnElement=\"" + getUniqueNodeId(node) + "\" >" + EOL + "        <dc:Bounds x=\"" + x + "\" " + "y=\"" + y + "\" " + "width=\"" + width + "\" " + "height=\"" + height + "\" />" + EOL + "      </bpmndi:BPMNShape>" + EOL);
        if (node instanceof CompositeNode) {
            visitNodesDi(((CompositeNode) node).getNodes(), xmlDump);
        }
    }
}

Example 32 with EventNode

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

the class XmlBPMNProcessDumper method visitInterfaces.

protected void visitInterfaces(Node[] nodes, StringBuilder xmlDump) {
    for (Node node : nodes) {
        if (node instanceof WorkItemNode) {
            Work work = ((WorkItemNode) node).getWork();
            if (work != null) {
                if ("Service Task".equals(work.getName())) {
                    String interfaceName = (String) work.getParameter("Interface");
                    if (interfaceName == null) {
                        interfaceName = "";
                    }
                    String interfaceRef = (String) work.getParameter("interfaceImplementationRef");
                    if (interfaceRef == null) {
                        interfaceRef = "";
                    }
                    String operationName = (String) work.getParameter("Operation");
                    if (operationName == null) {
                        operationName = "";
                    }
                    String operationRef = (String) work.getParameter("operationImplementationRef");
                    if (operationRef == null) {
                        operationRef = "";
                    }
                    String parameterType = (String) work.getParameter("ParameterType");
                    if (parameterType == null) {
                        parameterType = "";
                    }
                    xmlDump.append("  <itemDefinition id=\"" + getUniqueNodeId(node) + "_InMessageType\" " + ("".equals(parameterType) || "java.lang.Object".equals(parameterType) ? "" : "structureRef=\"" + parameterType + "\" ") + "/>" + EOL + "  <message id=\"" + getUniqueNodeId(node) + "_InMessage\" itemRef=\"" + getUniqueNodeId(node) + "_InMessageType\" />" + EOL + "  <interface id=\"" + getUniqueNodeId(node) + "_ServiceInterface\" name=\"" + interfaceName + "\" implementationRef=\"" + interfaceRef + "\" >" + EOL + "    <operation id=\"" + getUniqueNodeId(node) + "_ServiceOperation\" name=\"" + operationName + "\" implementationRef=\"" + operationRef + "\" >" + EOL + "      <inMessageRef>" + getUniqueNodeId(node) + "_InMessage</inMessageRef>" + EOL + "    </operation>" + EOL + "  </interface>" + EOL + EOL);
                } else if ("Send Task".equals(work.getName())) {
                    String messageType = (String) work.getParameter("MessageType");
                    if (messageType == null) {
                        messageType = "";
                    }
                    xmlDump.append("  <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" " + ("".equals(messageType) || "java.lang.Object".equals(messageType) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageType) + "\" ") + "/>" + EOL + "  <message id=\"" + getUniqueNodeId(node) + "_Message\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
                } else if ("Receive Task".equals(work.getName())) {
                    String messageId = (String) work.getParameter("MessageId");
                    String messageType = (String) work.getParameter("MessageType");
                    if (messageType == null) {
                        messageType = "";
                    }
                    xmlDump.append("  <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" " + ("".equals(messageType) || "java.lang.Object".equals(messageType) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageType) + "\" ") + "/>" + EOL + "  <message id=\"" + messageId + "\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
                }
            }
        } else if (node instanceof EndNode) {
            String messageType = (String) node.getMetaData().get("MessageType");
            if (messageType != null) {
                xmlDump.append("  <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" " + ("".equals(messageType) || "java.lang.Object".equals(messageType) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageType) + "\" ") + "/>" + EOL + "  <message id=\"" + getUniqueNodeId(node) + "_Message\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
            }
        } else if (node instanceof ActionNode) {
            String messageType = (String) node.getMetaData().get("MessageType");
            if (messageType != null) {
                xmlDump.append("  <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" " + ("".equals(messageType) || "java.lang.Object".equals(messageType) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageType) + "\" ") + "/>" + EOL + "  <message id=\"" + getUniqueNodeId(node) + "_Message\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
            }
        } else if (node instanceof EventNode) {
            List<EventFilter> filters = ((EventNode) node).getEventFilters();
            if (filters.size() > 0) {
                String messageRef = ((EventTypeFilter) filters.get(0)).getType();
                if (messageRef.startsWith("Message-")) {
                    messageRef = messageRef.substring(8);
                    String messageType = (String) node.getMetaData().get("MessageType");
                    xmlDump.append("  <itemDefinition id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageRef) + "Type\" " + ("".equals(messageType) || "java.lang.Object".equals(messageType) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageType) + "\" ") + "/>" + EOL + "  <message id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageRef) + "\" itemRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageRef) + "Type\" />" + EOL + EOL);
                }
            }
        } else if (node instanceof StartNode) {
            StartNode startNode = (StartNode) node;
            if (startNode.getTriggers() != null && !startNode.getTriggers().isEmpty()) {
                Trigger trigger = startNode.getTriggers().get(0);
                if (trigger instanceof EventTrigger) {
                    String eventType = ((EventTypeFilter) ((EventTrigger) trigger).getEventFilters().get(0)).getType();
                    if (eventType.startsWith("Message-")) {
                        eventType = eventType.substring(8);
                        String messageType = (String) node.getMetaData().get("MessageType");
                        xmlDump.append("  <itemDefinition id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(eventType) + "Type\" " + ("".equals(messageType) || "java.lang.Object".equals(messageType) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(messageType) + "\" ") + "/>" + EOL + "  <message id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(eventType) + "\" itemRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(eventType) + "Type\" />" + EOL + EOL);
                    }
                }
            }
        } else if (node instanceof ForEachNode) {
            ForEachNode forEachNode = (ForEachNode) node;
            String type = null;
            if (forEachNode.getVariableType() instanceof ObjectDataType) {
                type = ((ObjectDataType) forEachNode.getVariableType()).getClassName();
            }
            xmlDump.append("  <itemDefinition id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(forEachNode) + "_multiInstanceItemType\" " + (type == null || "java.lang.Object".equals(type) ? "" : "structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(type) + "\" ") + "/>" + EOL + EOL);
        }
        if (node instanceof CompositeNode) {
            visitInterfaces(((CompositeNode) node).getNodes(), xmlDump);
        }
    }
}

Example 33 with EventNode

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

the class ProcessHandler method linkBoundarySignalEvent.

private static void linkBoundarySignalEvent(NodeContainer nodeContainer, Node node, String attachedTo, Node attachedNode) {
    boolean cancelActivity = (Boolean) node.getMetaData().get("CancelActivity");
    if (cancelActivity) {
        List<DroolsAction> actions = ((EventNode) node).getActions(EndNode.EVENT_NODE_EXIT);
        if (actions == null) {
            actions = new ArrayList<DroolsAction>();
        }
        DroolsConsequenceAction action = new DroolsConsequenceAction("java", null);
        action.setMetaData("Action", new CancelNodeInstanceAction(attachedTo));
        actions.add(action);
        ((EventNode) node).setActions(EndNode.EVENT_NODE_EXIT, actions);
    }
}

Example 34 with EventNode

use of org.jbpm.workflow.core.node.EventNode 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 35 with EventNode

use of org.jbpm.workflow.core.node.EventNode 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") + "]");
    }
}