Examples with Node org.kie.api.definition.process.Node used on opensource projects

Example 56 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class XmlBPMNProcessDumper method visitProcess.

protected void visitProcess(WorkflowProcess process, StringBuilder xmlDump, int metaDataType) {
    String targetNamespace = (String) process.getMetaData().get("TargetNamespace");
    if (targetNamespace == null) {
        targetNamespace = "http://www.jboss.org/drools";
    }
    xmlDump.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?> " + EOL + "<definitions id=\"Definition\"" + EOL + "             targetNamespace=\"" + targetNamespace + "\"" + EOL + "             typeLanguage=\"http://www.java.com/javaTypes\"" + EOL + "             expressionLanguage=\"http://www.mvel.org/2.0\"" + EOL + "             xmlns=\"http://www.omg.org/spec/BPMN/20100524/MODEL\"" + EOL + "             xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" + EOL + "             xsi:schemaLocation=\"http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd\"" + EOL + "             xmlns:g=\"http://www.jboss.org/drools/flow/gpd\"" + EOL + (metaDataType == META_DATA_USING_DI ? "             xmlns:bpmndi=\"http://www.omg.org/spec/BPMN/20100524/DI\"" + EOL + "             xmlns:dc=\"http://www.omg.org/spec/DD/20100524/DC\"" + EOL + "             xmlns:di=\"http://www.omg.org/spec/DD/20100524/DI\"" + EOL : "") + "             xmlns:tns=\"http://www.jboss.org/drools\">" + EOL + EOL);
    // item definitions
    this.visitedVariables = new HashSet<String>();
    VariableScope variableScope = (VariableScope) ((org.jbpm.process.core.Process) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
    Set<String> dumpedItemDefs = new HashSet<String>();
    Map<String, ItemDefinition> itemDefs = (Map<String, ItemDefinition>) process.getMetaData().get("ItemDefinitions");
    if (itemDefs != null) {
        for (ItemDefinition def : itemDefs.values()) {
            xmlDump.append("  <itemDefinition id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(def.getId()) + "\" ");
            if (def.getStructureRef() != null && !"java.lang.Object".equals(def.getStructureRef())) {
                xmlDump.append("structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(def.getStructureRef()) + "\" ");
            }
            xmlDump.append("/>" + EOL);
            dumpedItemDefs.add(def.getId().intern());
        }
    }
    visitVariableScope(variableScope, "_", xmlDump, dumpedItemDefs);
    visitSubVariableScopes(process.getNodes(), xmlDump, dumpedItemDefs);
    visitInterfaces(process.getNodes(), xmlDump);
    visitEscalations(process.getNodes(), xmlDump, new ArrayList<String>());
    Definitions def = (Definitions) process.getMetaData().get("Definitions");
    visitErrors(def, xmlDump);
    // data stores
    if (def != null && def.getDataStores() != null) {
        for (DataStore dataStore : def.getDataStores()) {
            visitDataStore(dataStore, xmlDump);
        }
    }
    // the process itself
    xmlDump.append("  <process processType=\"Private\" isExecutable=\"true\" ");
    if (process.getId() == null || process.getId().trim().length() == 0) {
        ((ProcessImpl) process).setId("com.sample.bpmn2");
    }
    xmlDump.append("id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(process.getId()) + "\" ");
    if (process.getName() != null) {
        xmlDump.append("name=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(process.getName()) + "\" ");
    }
    String packageName = process.getPackageName();
    if (packageName != null && !"org.drools.bpmn2".equals(packageName)) {
        xmlDump.append("tns:packageName=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(packageName) + "\" ");
    }
    if (((org.jbpm.workflow.core.WorkflowProcess) process).isDynamic()) {
        xmlDump.append("tns:adHoc=\"true\" ");
    }
    String version = process.getVersion();
    if (version != null && !"".equals(version)) {
        xmlDump.append("tns:version=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(version) + "\" ");
    }
    // TODO: package, version
    xmlDump.append(">" + EOL + EOL);
    visitHeader(process, xmlDump, metaDataType);
    List<org.jbpm.workflow.core.Node> processNodes = new ArrayList<org.jbpm.workflow.core.Node>();
    for (Node procNode : process.getNodes()) {
        processNodes.add((org.jbpm.workflow.core.Node) procNode);
    }
    visitNodes(processNodes, xmlDump, metaDataType);
    visitConnections(process.getNodes(), xmlDump, metaDataType);
    // add associations
    List<Association> associations = (List<Association>) process.getMetaData().get(ProcessHandler.ASSOCIATIONS);
    if (associations != null) {
        for (Association association : associations) {
            visitAssociation(association, xmlDump);
        }
    }
    xmlDump.append("  </process>" + EOL + EOL);
    if (metaDataType == META_DATA_USING_DI) {
        xmlDump.append("  <bpmndi:BPMNDiagram>" + EOL + "    <bpmndi:BPMNPlane bpmnElement=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(process.getId()) + "\" >" + EOL);
        visitNodesDi(process.getNodes(), xmlDump);
        visitConnectionsDi(process.getNodes(), xmlDump);
        xmlDump.append("    </bpmndi:BPMNPlane>" + EOL + "  </bpmndi:BPMNDiagram>" + EOL + EOL);
    }
    xmlDump.append("</definitions>");
}

Example 57 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class XmlBPMNProcessDumper method visitNodes.

public void visitNodes(List<org.jbpm.workflow.core.Node> nodes, StringBuilder xmlDump, int metaDataType) {
    xmlDump.append("    <!-- nodes -->" + EOL);
    for (Node node : nodes) {
        visitNode(node, xmlDump, metaDataType);
    }
    xmlDump.append(EOL);
}

Example 58 with Node

use of org.kie.api.definition.process.Node 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 59 with Node

use of org.kie.api.definition.process.Node 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 60 with Node

use of org.kie.api.definition.process.Node 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);
            }
        }
    }
}