Examples with Gateway org.activiti.bpmn.model.Gateway used on opensource projects

Example 6 with Gateway

use of org.activiti.bpmn.model.Gateway in project Activiti by Activiti.

the class BaseBpmnXMLConverter method convertToXML.

public void convertToXML(XMLStreamWriter xtw, BaseElement baseElement, BpmnModel model) throws Exception {
    xtw.writeStartElement(getXMLElementName());
    boolean didWriteExtensionStartElement = false;
    writeDefaultAttribute(ATTRIBUTE_ID, baseElement.getId(), xtw);
    if (baseElement instanceof FlowElement) {
        writeDefaultAttribute(ATTRIBUTE_NAME, ((FlowElement) baseElement).getName(), xtw);
    }
    if (baseElement instanceof FlowNode) {
        final FlowNode flowNode = (FlowNode) baseElement;
        if (flowNode.isAsynchronous()) {
            writeQualifiedAttribute(ATTRIBUTE_ACTIVITY_ASYNCHRONOUS, ATTRIBUTE_VALUE_TRUE, xtw);
            if (flowNode.isNotExclusive()) {
                writeQualifiedAttribute(ATTRIBUTE_ACTIVITY_EXCLUSIVE, ATTRIBUTE_VALUE_FALSE, xtw);
            }
        }
        if (baseElement instanceof Activity) {
            final Activity activity = (Activity) baseElement;
            if (activity.isForCompensation()) {
                writeDefaultAttribute(ATTRIBUTE_ACTIVITY_ISFORCOMPENSATION, ATTRIBUTE_VALUE_TRUE, xtw);
            }
            if (StringUtils.isNotEmpty(activity.getDefaultFlow())) {
                FlowElement defaultFlowElement = model.getFlowElement(activity.getDefaultFlow());
                if (defaultFlowElement instanceof SequenceFlow) {
                    writeDefaultAttribute(ATTRIBUTE_DEFAULT, activity.getDefaultFlow(), xtw);
                }
            }
        }
        if (baseElement instanceof Gateway) {
            final Gateway gateway = (Gateway) baseElement;
            if (StringUtils.isNotEmpty(gateway.getDefaultFlow())) {
                FlowElement defaultFlowElement = model.getFlowElement(gateway.getDefaultFlow());
                if (defaultFlowElement instanceof SequenceFlow) {
                    writeDefaultAttribute(ATTRIBUTE_DEFAULT, gateway.getDefaultFlow(), xtw);
                }
            }
        }
    }
    writeAdditionalAttributes(baseElement, model, xtw);
    if (baseElement instanceof FlowElement) {
        final FlowElement flowElement = (FlowElement) baseElement;
        if (StringUtils.isNotEmpty(flowElement.getDocumentation())) {
            xtw.writeStartElement(ELEMENT_DOCUMENTATION);
            xtw.writeCharacters(flowElement.getDocumentation());
            xtw.writeEndElement();
        }
    }
    didWriteExtensionStartElement = writeExtensionChildElements(baseElement, didWriteExtensionStartElement, xtw);
    didWriteExtensionStartElement = writeListeners(baseElement, didWriteExtensionStartElement, xtw);
    didWriteExtensionStartElement = BpmnXMLUtil.writeExtensionElements(baseElement, didWriteExtensionStartElement, model.getNamespaces(), xtw);
    if (baseElement instanceof Activity) {
        final Activity activity = (Activity) baseElement;
        FailedJobRetryCountExport.writeFailedJobRetryCount(activity, xtw);
    }
    if (didWriteExtensionStartElement) {
        xtw.writeEndElement();
    }
    if (baseElement instanceof Activity) {
        final Activity activity = (Activity) baseElement;
        MultiInstanceExport.writeMultiInstance(activity, xtw);
    }
    writeAdditionalChildElements(baseElement, model, xtw);
    xtw.writeEndElement();
}

Example 7 with Gateway

use of org.activiti.bpmn.model.Gateway in project Activiti by Activiti.

the class DefaultProcessDiagramGenerator method drawActivity.

protected void drawActivity(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel, FlowNode flowNode, List<String> highLightedActivities, List<String> highLightedFlows, double scaleFactor) {
    ActivityDrawInstruction drawInstruction = activityDrawInstructions.get(flowNode.getClass());
    if (drawInstruction != null) {
        drawInstruction.draw(processDiagramCanvas, bpmnModel, flowNode);
        // Gather info on the multi instance marker
        boolean multiInstanceSequential = false, multiInstanceParallel = false, collapsed = false;
        if (flowNode instanceof Activity) {
            Activity activity = (Activity) flowNode;
            MultiInstanceLoopCharacteristics multiInstanceLoopCharacteristics = activity.getLoopCharacteristics();
            if (multiInstanceLoopCharacteristics != null) {
                multiInstanceSequential = multiInstanceLoopCharacteristics.isSequential();
                multiInstanceParallel = !multiInstanceSequential;
            }
        }
        // Gather info on the collapsed marker
        GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(flowNode.getId());
        if (flowNode instanceof SubProcess) {
            collapsed = graphicInfo.getExpanded() != null && !graphicInfo.getExpanded();
        } else if (flowNode instanceof CallActivity) {
            collapsed = true;
        }
        if (scaleFactor == 1.0) {
            // Actually draw the markers
            processDiagramCanvas.drawActivityMarkers((int) graphicInfo.getX(), (int) graphicInfo.getY(), (int) graphicInfo.getWidth(), (int) graphicInfo.getHeight(), multiInstanceSequential, multiInstanceParallel, collapsed);
        }
        // Draw highlighted activities
        if (highLightedActivities.contains(flowNode.getId())) {
            drawHighLight(processDiagramCanvas, bpmnModel.getGraphicInfo(flowNode.getId()));
        }
    }
    // Outgoing transitions of activity
    for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
        boolean highLighted = (highLightedFlows.contains(sequenceFlow.getId()));
        String defaultFlow = null;
        if (flowNode instanceof Activity) {
            defaultFlow = ((Activity) flowNode).getDefaultFlow();
        } else if (flowNode instanceof Gateway) {
            defaultFlow = ((Gateway) flowNode).getDefaultFlow();
        }
        boolean isDefault = false;
        if (defaultFlow != null && defaultFlow.equalsIgnoreCase(sequenceFlow.getId())) {
            isDefault = true;
        }
        boolean drawConditionalIndicator = sequenceFlow.getConditionExpression() != null && !(flowNode instanceof Gateway);
        String sourceRef = sequenceFlow.getSourceRef();
        String targetRef = sequenceFlow.getTargetRef();
        FlowElement sourceElement = bpmnModel.getFlowElement(sourceRef);
        FlowElement targetElement = bpmnModel.getFlowElement(targetRef);
        List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
        if (graphicInfoList != null && graphicInfoList.size() > 0) {
            graphicInfoList = connectionPerfectionizer(processDiagramCanvas, bpmnModel, sourceElement, targetElement, graphicInfoList);
            int[] xPoints = new int[graphicInfoList.size()];
            int[] yPoints = new int[graphicInfoList.size()];
            for (int i = 1; i < graphicInfoList.size(); i++) {
                GraphicInfo graphicInfo = graphicInfoList.get(i);
                GraphicInfo previousGraphicInfo = graphicInfoList.get(i - 1);
                if (i == 1) {
                    xPoints[0] = (int) previousGraphicInfo.getX();
                    yPoints[0] = (int) previousGraphicInfo.getY();
                }
                xPoints[i] = (int) graphicInfo.getX();
                yPoints[i] = (int) graphicInfo.getY();
            }
            processDiagramCanvas.drawSequenceflow(xPoints, yPoints, drawConditionalIndicator, isDefault, highLighted, scaleFactor);
            // Draw sequenceflow label
            GraphicInfo labelGraphicInfo = bpmnModel.getLabelGraphicInfo(sequenceFlow.getId());
            if (labelGraphicInfo != null) {
                processDiagramCanvas.drawLabel(sequenceFlow.getName(), labelGraphicInfo, false);
            }
        }
    }
    // Nested elements
    if (flowNode instanceof FlowElementsContainer) {
        for (FlowElement nestedFlowElement : ((FlowElementsContainer) flowNode).getFlowElements()) {
            if (nestedFlowElement instanceof FlowNode) {
                drawActivity(processDiagramCanvas, bpmnModel, (FlowNode) nestedFlowElement, highLightedActivities, highLightedFlows, scaleFactor);
            }
        }
    }
}

Example 8 with Gateway

use of org.activiti.bpmn.model.Gateway in project Activiti by Activiti.

the class BaseBpmnJsonConverter method convertToBpmnModel.

public void convertToBpmnModel(JsonNode elementNode, JsonNode modelNode, ActivityProcessor processor, BaseElement parentElement, Map<String, JsonNode> shapeMap, BpmnModel bpmnModel) {
    this.processor = processor;
    this.model = bpmnModel;
    BaseElement baseElement = convertJsonToElement(elementNode, modelNode, shapeMap);
    baseElement.setId(BpmnJsonConverterUtil.getElementId(elementNode));
    if (baseElement instanceof FlowElement) {
        FlowElement flowElement = (FlowElement) baseElement;
        flowElement.setName(getPropertyValueAsString(PROPERTY_NAME, elementNode));
        flowElement.setDocumentation(getPropertyValueAsString(PROPERTY_DOCUMENTATION, elementNode));
        BpmnJsonConverterUtil.convertJsonToListeners(elementNode, flowElement);
        if (baseElement instanceof Activity) {
            Activity activity = (Activity) baseElement;
            activity.setAsynchronous(getPropertyValueAsBoolean(PROPERTY_ASYNCHRONOUS, elementNode));
            activity.setNotExclusive(!getPropertyValueAsBoolean(PROPERTY_EXCLUSIVE, elementNode));
            String multiInstanceType = getPropertyValueAsString(PROPERTY_MULTIINSTANCE_TYPE, elementNode);
            String multiInstanceCardinality = getPropertyValueAsString(PROPERTY_MULTIINSTANCE_CARDINALITY, elementNode);
            String multiInstanceCollection = getPropertyValueAsString(PROPERTY_MULTIINSTANCE_COLLECTION, elementNode);
            String multiInstanceCondition = getPropertyValueAsString(PROPERTY_MULTIINSTANCE_CONDITION, elementNode);
            if (StringUtils.isNotEmpty(multiInstanceType) && "none".equalsIgnoreCase(multiInstanceType) == false) {
                String multiInstanceVariable = getPropertyValueAsString(PROPERTY_MULTIINSTANCE_VARIABLE, elementNode);
                MultiInstanceLoopCharacteristics multiInstanceObject = new MultiInstanceLoopCharacteristics();
                if ("sequential".equalsIgnoreCase(multiInstanceType)) {
                    multiInstanceObject.setSequential(true);
                } else {
                    multiInstanceObject.setSequential(false);
                }
                multiInstanceObject.setLoopCardinality(multiInstanceCardinality);
                multiInstanceObject.setInputDataItem(multiInstanceCollection);
                multiInstanceObject.setElementVariable(multiInstanceVariable);
                multiInstanceObject.setCompletionCondition(multiInstanceCondition);
                activity.setLoopCharacteristics(multiInstanceObject);
            }
        } else if (baseElement instanceof Gateway) {
            JsonNode flowOrderNode = getProperty(PROPERTY_SEQUENCEFLOW_ORDER, elementNode);
            if (flowOrderNode != null) {
                flowOrderNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(flowOrderNode);
                JsonNode orderArray = flowOrderNode.get("sequenceFlowOrder");
                if (orderArray != null && orderArray.size() > 0) {
                    for (JsonNode orderNode : orderArray) {
                        ExtensionElement orderElement = new ExtensionElement();
                        orderElement.setName("EDITOR_FLOW_ORDER");
                        orderElement.setElementText(orderNode.asText());
                        flowElement.addExtensionElement(orderElement);
                    }
                }
            }
        }
    }
    if (baseElement instanceof FlowElement) {
        FlowElement flowElement = (FlowElement) baseElement;
        if (flowElement instanceof SequenceFlow) {
            ExtensionElement idExtensionElement = new ExtensionElement();
            idExtensionElement.setName("EDITOR_RESOURCEID");
            idExtensionElement.setElementText(elementNode.get(EDITOR_SHAPE_ID).asText());
            flowElement.addExtensionElement(idExtensionElement);
        }
        if (parentElement instanceof Process) {
            ((Process) parentElement).addFlowElement(flowElement);
        } else if (parentElement instanceof SubProcess) {
            ((SubProcess) parentElement).addFlowElement(flowElement);
        } else if (parentElement instanceof Lane) {
            Lane lane = (Lane) parentElement;
            lane.getFlowReferences().add(flowElement.getId());
            lane.getParentProcess().addFlowElement(flowElement);
        }
    } else if (baseElement instanceof Artifact) {
        Artifact artifact = (Artifact) baseElement;
        if (parentElement instanceof Process) {
            ((Process) parentElement).addArtifact(artifact);
        } else if (parentElement instanceof SubProcess) {
            ((SubProcess) parentElement).addArtifact(artifact);
        } else if (parentElement instanceof Lane) {
            Lane lane = (Lane) parentElement;
            lane.getFlowReferences().add(artifact.getId());
            lane.getParentProcess().addArtifact(artifact);
        }
    }
}

Example 9 with Gateway

use of org.activiti.bpmn.model.Gateway in project Activiti by Activiti.

the class BpmnJsonConverter method postProcessElements.

private void postProcessElements(FlowElementsContainer parentContainer, Collection<FlowElement> flowElementList, Map<String, JsonNode> edgeMap, BpmnModel bpmnModel, Map<String, FlowWithContainer> allFlowMap, List<Gateway> gatewayWithOrderList) {
    for (FlowElement flowElement : flowElementList) {
        if (flowElement instanceof Event) {
            Event event = (Event) flowElement;
            if (CollectionUtils.isNotEmpty(event.getEventDefinitions())) {
                EventDefinition eventDef = event.getEventDefinitions().get(0);
                if (eventDef instanceof SignalEventDefinition) {
                    SignalEventDefinition signalEventDef = (SignalEventDefinition) eventDef;
                    if (StringUtils.isNotEmpty(signalEventDef.getSignalRef())) {
                        if (bpmnModel.getSignal(signalEventDef.getSignalRef()) == null) {
                            bpmnModel.addSignal(new Signal(signalEventDef.getSignalRef(), signalEventDef.getSignalRef()));
                        }
                    }
                } else if (eventDef instanceof MessageEventDefinition) {
                    MessageEventDefinition messageEventDef = (MessageEventDefinition) eventDef;
                    if (StringUtils.isNotEmpty(messageEventDef.getMessageRef())) {
                        if (bpmnModel.getMessage(messageEventDef.getMessageRef()) == null) {
                            bpmnModel.addMessage(new Message(messageEventDef.getMessageRef(), messageEventDef.getMessageRef(), null));
                        }
                    }
                }
            }
        }
        if (flowElement instanceof BoundaryEvent) {
            BoundaryEvent boundaryEvent = (BoundaryEvent) flowElement;
            Activity activity = retrieveAttachedRefObject(boundaryEvent.getAttachedToRefId(), parentContainer.getFlowElements());
            if (activity == null) {
                LOGGER.warn("Boundary event " + boundaryEvent.getId() + " is not attached to any activity");
            } else {
                boundaryEvent.setAttachedToRef(activity);
                activity.getBoundaryEvents().add(boundaryEvent);
            }
        } else if (flowElement instanceof Gateway) {
            if (flowElement.getExtensionElements().containsKey("EDITOR_FLOW_ORDER")) {
                gatewayWithOrderList.add((Gateway) flowElement);
            }
        } else if (flowElement instanceof SubProcess) {
            SubProcess subProcess = (SubProcess) flowElement;
            postProcessElements(subProcess, subProcess.getFlowElements(), edgeMap, bpmnModel, allFlowMap, gatewayWithOrderList);
        } else if (flowElement instanceof SequenceFlow) {
            SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
            FlowElement sourceFlowElement = parentContainer.getFlowElement(sequenceFlow.getSourceRef());
            if (sourceFlowElement != null && sourceFlowElement instanceof FlowNode) {
                FlowWithContainer flowWithContainer = new FlowWithContainer(sequenceFlow, parentContainer);
                if (sequenceFlow.getExtensionElements().get("EDITOR_RESOURCEID") != null && sequenceFlow.getExtensionElements().get("EDITOR_RESOURCEID").size() > 0) {
                    allFlowMap.put(sequenceFlow.getExtensionElements().get("EDITOR_RESOURCEID").get(0).getElementText(), flowWithContainer);
                    sequenceFlow.getExtensionElements().remove("EDITOR_RESOURCEID");
                }
                ((FlowNode) sourceFlowElement).getOutgoingFlows().add(sequenceFlow);
                JsonNode edgeNode = edgeMap.get(sequenceFlow.getId());
                if (edgeNode != null) {
                    boolean isDefault = JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_SEQUENCEFLOW_DEFAULT, edgeNode);
                    if (isDefault) {
                        if (sourceFlowElement instanceof Activity) {
                            ((Activity) sourceFlowElement).setDefaultFlow(sequenceFlow.getId());
                        } else if (sourceFlowElement instanceof Gateway) {
                            ((Gateway) sourceFlowElement).setDefaultFlow(sequenceFlow.getId());
                        }
                    }
                }
            }
            FlowElement targetFlowElement = parentContainer.getFlowElement(sequenceFlow.getTargetRef());
            if (targetFlowElement != null && targetFlowElement instanceof FlowNode) {
                ((FlowNode) targetFlowElement).getIncomingFlows().add(sequenceFlow);
            }
        }
    }
}