Examples with Workflow io.serverlessworkflow.api.Workflow used on opensource projects

Example 11 with Workflow

use of io.serverlessworkflow.api.Workflow in project automatiko-engine by automatiko-io.

the class SvgServerlessProcessImageGenerator method generate.

@Override
public String generate() {
    if (workflow == null) {
        return null;
    }
    WorkflowDiagram workflowDiagram = new WorkflowDiagramImpl().setWorkflow(workflow).setTemplate("automatiko-workflow-template");
    List<String> stateNames = workflow.getStates().stream().map(state -> state.getName()).collect(Collectors.toList());
    String diagramSVG = null;
    try {
        diagramSVG = workflowDiagram.getSvgDiagram();
        InputSource is = new InputSource(new StringReader(diagramSVG));
        DocumentBuilder dBuilder = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
        Document doc = dBuilder.parse(is);
        Node svg = doc.getElementsByTagName("svg").item(0);
        ((Element) svg).removeAttribute("height");
        ((Element) svg).removeAttribute("width");
        ((Element) svg).removeAttribute("style");
        ((Element) svg).removeAttribute("preserveAspectRatio");
        ((Element) svg).setAttribute("text-rendering", "auto");
        ((Element) svg).setAttribute("shape-rendering", "auto");
        NodeList textNodes = doc.getElementsByTagName("text");
        for (int i = 0; i < textNodes.getLength(); i++) {
            Element text = (Element) textNodes.item(i);
            if (stateNames.contains(text.getTextContent())) {
                Node sibling = text.getPreviousSibling();
                while (!sibling.getNodeName().equals("rect")) {
                    sibling = sibling.getPreviousSibling();
                }
                ((Element) sibling).setAttribute("id", UUID.nameUUIDFromBytes(text.getTextContent().getBytes(StandardCharsets.UTF_8)).toString());
            }
        }
        ByteArrayOutputStream dmnDocumentStream = new ByteArrayOutputStream();
        Transformer transformer = TRANSFORMER_FACTORY.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.INDENT, "no");
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.transform(new DOMSource(doc), new StreamResult(new OutputStreamWriter(dmnDocumentStream, StandardCharsets.UTF_8)));
        diagramSVG = new String(dmnDocumentStream.toByteArray());
    } catch (Exception e) {
        LOGGER.warn("Unable to generate workflow image for {} due to {}", workflow.getName(), e.getMessage());
    }
    return diagramSVG;
}

Example 12 with Workflow

use of io.serverlessworkflow.api.Workflow in project kogito-runtimes by kiegroup.

the class SwitchValidatorTest method mockWorkflow.

private Workflow mockWorkflow() {
    Workflow workflow = mock(Workflow.class);
    doReturn(WORKFLOW_NAME).when(workflow).getName();
    return workflow;
}

Example 13 with Workflow

use of io.serverlessworkflow.api.Workflow in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowFactory method createProcess.

public ExecutableProcess createProcess(Workflow workflow) {
    ExecutableProcess process = new ServerlessExecutableProcess();
    if (workflow.getId() != null && !workflow.getId().isEmpty()) {
        process.setId(workflow.getId());
    } else {
        LOGGER.info("setting default id {}", DEFAULT_WORKFLOW_ID);
        process.setId(DEFAULT_WORKFLOW_ID);
    }
    if (workflow.getName() != null && !workflow.getName().isEmpty()) {
        process.setName(workflow.getName());
    } else {
        LOGGER.info("setting default name {}", DEFAULT_WORKFLOW_NAME);
        process.setName(DEFAULT_WORKFLOW_NAME);
    }
    if (workflow.getVersion() != null && !workflow.getVersion().isEmpty()) {
        process.setVersion(workflow.getVersion());
    } else {
        LOGGER.info("no workflow version found.");
    }
    if (workflow.getMetadata() != null && workflow.getMetadata().get("package") != null) {
        process.setPackageName(workflow.getMetadata().get("package"));
    } else {
        process.setPackageName(DEFAULT_PACKAGE_NAME);
    }
    if (workflow.isKeepActive()) {
        process.setAutoComplete(false);
        process.setDynamic(true);
    } else {
        process.setAutoComplete(true);
    }
    process.setVisibility(DEFAULT_VISIBILITY);
    if (workflow.getMetadata() != null) {
        process.getMetaData().putAll(workflow.getMetadata());
    }
    if (workflow.getDescription() != null) {
        process.setMetaData("Documentation", workflow.getDescription());
    }
    if (workflow.getConstants() != null) {
        Constants constants = workflow.getConstants();
        String value = constants.getConstantsDef().toString();
        Variable constantsVariable = new Variable("contantsVariable", "$CONST", new JsonNodeDataType());
        constantsVariable.setMetaData("value", value.replaceAll("\"", "\\\""));
        process.getVariableScope().addVariable(constantsVariable);
    }
    if (workflow.getAnnotations() != null) {
        List<TagDefinition> tagDefinitions = new ArrayList<TagDefinition>();
        int counter = 0;
        for (String tag : workflow.getAnnotations()) {
            if (tag.startsWith("${")) {
                tagDefinitions.add(new FunctionTagDefinition(String.valueOf(++counter), unwrapExpression(tag), (exp, vars) -> {
                    Object result = ServerlessFunctions.expression(vars, exp);
                    if (result instanceof TextNode) {
                        return ((TextNode) result).asText();
                    }
                    return result.toString();
                }));
            } else {
                tagDefinitions.add(new StaticTagDefinition(String.valueOf(++counter), tag));
            }
        }
        ((Process) process).setTagDefinitions(tagDefinitions);
    }
    return process;
}