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

Example 6 with FlowNode

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

the class DefaultProcessDiagramGenerator method initProcessDiagramCanvas.

protected static DefaultProcessDiagramCanvas initProcessDiagramCanvas(BpmnModel bpmnModel, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader) {
    // We need to calculate maximum values to know how big the image will be in its entirety
    double minX = Double.MAX_VALUE;
    double maxX = 0;
    double minY = Double.MAX_VALUE;
    double maxY = 0;
    for (Pool pool : bpmnModel.getPools()) {
        GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(pool.getId());
        minX = graphicInfo.getX();
        maxX = graphicInfo.getX() + graphicInfo.getWidth();
        minY = graphicInfo.getY();
        maxY = graphicInfo.getY() + graphicInfo.getHeight();
    }
    List<FlowNode> flowNodes = gatherAllFlowNodes(bpmnModel);
    for (FlowNode flowNode : flowNodes) {
        GraphicInfo flowNodeGraphicInfo = bpmnModel.getGraphicInfo(flowNode.getId());
        // width
        if (flowNodeGraphicInfo.getX() + flowNodeGraphicInfo.getWidth() > maxX) {
            maxX = flowNodeGraphicInfo.getX() + flowNodeGraphicInfo.getWidth();
        }
        if (flowNodeGraphicInfo.getX() < minX) {
            minX = flowNodeGraphicInfo.getX();
        }
        // height
        if (flowNodeGraphicInfo.getY() + flowNodeGraphicInfo.getHeight() > maxY) {
            maxY = flowNodeGraphicInfo.getY() + flowNodeGraphicInfo.getHeight();
        }
        if (flowNodeGraphicInfo.getY() < minY) {
            minY = flowNodeGraphicInfo.getY();
        }
        for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
            List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
            if (graphicInfoList != null) {
                for (GraphicInfo graphicInfo : graphicInfoList) {
                    // width
                    if (graphicInfo.getX() > maxX) {
                        maxX = graphicInfo.getX();
                    }
                    if (graphicInfo.getX() < minX) {
                        minX = graphicInfo.getX();
                    }
                    // height
                    if (graphicInfo.getY() > maxY) {
                        maxY = graphicInfo.getY();
                    }
                    if (graphicInfo.getY() < minY) {
                        minY = graphicInfo.getY();
                    }
                }
            }
        }
    }
    List<Artifact> artifacts = gatherAllArtifacts(bpmnModel);
    for (Artifact artifact : artifacts) {
        GraphicInfo artifactGraphicInfo = bpmnModel.getGraphicInfo(artifact.getId());
        if (artifactGraphicInfo != null) {
            // width
            if (artifactGraphicInfo.getX() + artifactGraphicInfo.getWidth() > maxX) {
                maxX = artifactGraphicInfo.getX() + artifactGraphicInfo.getWidth();
            }
            if (artifactGraphicInfo.getX() < minX) {
                minX = artifactGraphicInfo.getX();
            }
            // height
            if (artifactGraphicInfo.getY() + artifactGraphicInfo.getHeight() > maxY) {
                maxY = artifactGraphicInfo.getY() + artifactGraphicInfo.getHeight();
            }
            if (artifactGraphicInfo.getY() < minY) {
                minY = artifactGraphicInfo.getY();
            }
        }
        List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(artifact.getId());
        if (graphicInfoList != null) {
            for (GraphicInfo graphicInfo : graphicInfoList) {
                // width
                if (graphicInfo.getX() > maxX) {
                    maxX = graphicInfo.getX();
                }
                if (graphicInfo.getX() < minX) {
                    minX = graphicInfo.getX();
                }
                // height
                if (graphicInfo.getY() > maxY) {
                    maxY = graphicInfo.getY();
                }
                if (graphicInfo.getY() < minY) {
                    minY = graphicInfo.getY();
                }
            }
        }
    }
    int nrOfLanes = 0;
    for (Process process : bpmnModel.getProcesses()) {
        for (Lane l : process.getLanes()) {
            nrOfLanes++;
            GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(l.getId());
            // // width
            if (graphicInfo.getX() + graphicInfo.getWidth() > maxX) {
                maxX = graphicInfo.getX() + graphicInfo.getWidth();
            }
            if (graphicInfo.getX() < minX) {
                minX = graphicInfo.getX();
            }
            // height
            if (graphicInfo.getY() + graphicInfo.getHeight() > maxY) {
                maxY = graphicInfo.getY() + graphicInfo.getHeight();
            }
            if (graphicInfo.getY() < minY) {
                minY = graphicInfo.getY();
            }
        }
    }
    // Special case, see https://activiti.atlassian.net/browse/ACT-1431
    if (flowNodes.isEmpty() && bpmnModel.getPools().isEmpty() && nrOfLanes == 0) {
        // Nothing to show
        minX = 0;
        minY = 0;
    }
    return new DefaultProcessDiagramCanvas((int) maxX + 10, (int) maxY + 10, (int) minX, (int) minY, imageType, activityFontName, labelFontName, annotationFontName, customClassLoader);
}

Example 7 with FlowNode

use of org.activiti.bpmn.model.FlowNode 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 FlowNode

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

the class BaseBpmnJsonConverter method convertToJson.

public void convertToJson(BaseElement baseElement, ActivityProcessor processor, BpmnModel model, FlowElementsContainer container, ArrayNode shapesArrayNode, double subProcessX, double subProcessY) {
    this.model = model;
    this.processor = processor;
    this.subProcessX = subProcessX;
    this.subProcessY = subProcessY;
    this.shapesArrayNode = shapesArrayNode;
    GraphicInfo graphicInfo = model.getGraphicInfo(baseElement.getId());
    String stencilId = null;
    if (baseElement instanceof ServiceTask) {
        ServiceTask serviceTask = (ServiceTask) baseElement;
        if ("mail".equalsIgnoreCase(serviceTask.getType())) {
            stencilId = STENCIL_TASK_MAIL;
        } else if ("camel".equalsIgnoreCase(serviceTask.getType())) {
            stencilId = STENCIL_TASK_CAMEL;
        } else if ("mule".equalsIgnoreCase(serviceTask.getType())) {
            stencilId = STENCIL_TASK_MULE;
        } else {
            stencilId = getStencilId(baseElement);
        }
    } else {
        stencilId = getStencilId(baseElement);
    }
    flowElementNode = BpmnJsonConverterUtil.createChildShape(baseElement.getId(), stencilId, graphicInfo.getX() - subProcessX + graphicInfo.getWidth(), graphicInfo.getY() - subProcessY + graphicInfo.getHeight(), graphicInfo.getX() - subProcessX, graphicInfo.getY() - subProcessY);
    shapesArrayNode.add(flowElementNode);
    ObjectNode propertiesNode = objectMapper.createObjectNode();
    propertiesNode.put(PROPERTY_OVERRIDE_ID, baseElement.getId());
    if (baseElement instanceof FlowElement) {
        FlowElement flowElement = (FlowElement) baseElement;
        if (StringUtils.isNotEmpty(flowElement.getName())) {
            propertiesNode.put(PROPERTY_NAME, flowElement.getName());
        }
        if (StringUtils.isNotEmpty(flowElement.getDocumentation())) {
            propertiesNode.put(PROPERTY_DOCUMENTATION, flowElement.getDocumentation());
        }
    }
    convertElementToJson(propertiesNode, baseElement);
    flowElementNode.put(EDITOR_SHAPE_PROPERTIES, propertiesNode);
    ArrayNode outgoingArrayNode = objectMapper.createArrayNode();
    if (baseElement instanceof FlowNode) {
        FlowNode flowNode = (FlowNode) baseElement;
        for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
            outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(sequenceFlow.getId()));
        }
        for (MessageFlow messageFlow : model.getMessageFlows().values()) {
            if (messageFlow.getSourceRef().equals(flowNode.getId())) {
                outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(messageFlow.getId()));
            }
        }
    }
    if (baseElement instanceof Activity) {
        Activity activity = (Activity) baseElement;
        for (BoundaryEvent boundaryEvent : activity.getBoundaryEvents()) {
            outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(boundaryEvent.getId()));
        }
        propertiesNode.put(PROPERTY_ASYNCHRONOUS, activity.isAsynchronous());
        propertiesNode.put(PROPERTY_EXCLUSIVE, !activity.isNotExclusive());
        if (activity.getLoopCharacteristics() != null) {
            MultiInstanceLoopCharacteristics loopDef = activity.getLoopCharacteristics();
            if (StringUtils.isNotEmpty(loopDef.getLoopCardinality()) || StringUtils.isNotEmpty(loopDef.getInputDataItem()) || StringUtils.isNotEmpty(loopDef.getCompletionCondition())) {
                if (loopDef.isSequential() == false) {
                    propertiesNode.put(PROPERTY_MULTIINSTANCE_TYPE, "Parallel");
                } else {
                    propertiesNode.put(PROPERTY_MULTIINSTANCE_TYPE, "Sequential");
                }
                if (StringUtils.isNotEmpty(loopDef.getLoopCardinality())) {
                    propertiesNode.put(PROPERTY_MULTIINSTANCE_CARDINALITY, loopDef.getLoopCardinality());
                }
                if (StringUtils.isNotEmpty(loopDef.getInputDataItem())) {
                    propertiesNode.put(PROPERTY_MULTIINSTANCE_COLLECTION, loopDef.getInputDataItem());
                }
                if (StringUtils.isNotEmpty(loopDef.getElementVariable())) {
                    propertiesNode.put(PROPERTY_MULTIINSTANCE_VARIABLE, loopDef.getElementVariable());
                }
                if (StringUtils.isNotEmpty(loopDef.getCompletionCondition())) {
                    propertiesNode.put(PROPERTY_MULTIINSTANCE_CONDITION, loopDef.getCompletionCondition());
                }
            }
        }
        if (activity instanceof UserTask) {
            BpmnJsonConverterUtil.convertListenersToJson(((UserTask) activity).getTaskListeners(), false, propertiesNode);
        }
        BpmnJsonConverterUtil.convertListenersToJson(activity.getExecutionListeners(), true, propertiesNode);
        if (CollectionUtils.isNotEmpty(activity.getDataInputAssociations())) {
            for (DataAssociation dataAssociation : activity.getDataInputAssociations()) {
                if (model.getFlowElement(dataAssociation.getSourceRef()) != null) {
                    createDataAssociation(dataAssociation, true, activity);
                }
            }
        }
        if (CollectionUtils.isNotEmpty(activity.getDataOutputAssociations())) {
            for (DataAssociation dataAssociation : activity.getDataOutputAssociations()) {
                if (model.getFlowElement(dataAssociation.getTargetRef()) != null) {
                    createDataAssociation(dataAssociation, false, activity);
                    outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(dataAssociation.getId()));
                }
            }
        }
    }
    for (Artifact artifact : container.getArtifacts()) {
        if (artifact instanceof Association) {
            Association association = (Association) artifact;
            if (StringUtils.isNotEmpty(association.getSourceRef()) && association.getSourceRef().equals(baseElement.getId())) {
                outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(association.getId()));
            }
        }
    }
    if (baseElement instanceof DataStoreReference) {
        for (Process process : model.getProcesses()) {
            processDataStoreReferences(process, baseElement.getId(), outgoingArrayNode);
        }
    }
    flowElementNode.put("outgoing", outgoingArrayNode);
}

Example 9 with FlowNode

use of org.activiti.bpmn.model.FlowNode 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);
            }
        }
    }
}