Examples with Variable io.automatiko.engine.workflow.base.core.context.variable.Variable used on opensource projects

Example 36 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable 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;
}

Example 37 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowFactory method processVar.

public void processVar(String varName, Class<?> varType, ExecutableProcess process) {
    Variable variable = new Variable();
    variable.setName(varName);
    variable.setType(new ObjectDataType(varType));
    process.getVariableScope().getVariables().add(variable);
}

Example 38 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class CompensationTest method createNestedCompensationBoundaryEventProcess.

private ExecutableProcess createNestedCompensationBoundaryEventProcess(String processId, String[] workItemNames, final List<String> eventList) throws Exception {
    ExecutableProcess process = new ExecutableProcess();
    process.setAutoComplete(true);
    process.setId(processId);
    process.setName("CESP Process");
    process.setMetaData("Compensation", true);
    List<Variable> variables = new ArrayList<Variable>();
    Variable variable = new Variable();
    variable.setName("event");
    ObjectDataType personDataType = new ObjectDataType(java.lang.String.class);
    variable.setType(personDataType);
    variables.add(variable);
    process.getVariableScope().setVariables(variables);
    NodeCreator<StartNode> startNodeCreator = new NodeCreator<StartNode>(process, StartNode.class);
    NodeCreator<EndNode> endNodeCreator = new NodeCreator<EndNode>(process, EndNode.class);
    NodeCreator<CompositeContextNode> compNodeCreator = new NodeCreator<CompositeContextNode>(process, CompositeContextNode.class);
    // process level
    CompositeContextNode compositeNode = compNodeCreator.createNode("sub0");
    {
        StartNode startNode = startNodeCreator.createNode("start0");
        connect(startNode, compositeNode);
        EndNode endNode = endNodeCreator.createNode("end0");
        connect(compositeNode, endNode);
    }
    // 1rst level nested subprocess (contains compensation visibility scope)
    {
        startNodeCreator.setNodeContainer(compositeNode);
        compNodeCreator.setNodeContainer(compositeNode);
        endNodeCreator.setNodeContainer(compositeNode);
        StartNode startNode = startNodeCreator.createNode("start1");
        CompositeContextNode subCompNode = compNodeCreator.createNode("sub1");
        connect(startNode, subCompNode);
        EndNode endNode = endNodeCreator.createNode("end1");
        connect(subCompNode, endNode);
        compositeNode = subCompNode;
    }
    // 2nd level nested subprocess (contains compensation visibility scope)
    NodeCreator<WorkItemNode> workItemNodeCreator = new NodeCreator<WorkItemNode>(compositeNode, WorkItemNode.class);
    {
        startNodeCreator.setNodeContainer(compositeNode);
        compNodeCreator.setNodeContainer(compositeNode);
        endNodeCreator.setNodeContainer(compositeNode);
        StartNode startNode = startNodeCreator.createNode("start2");
        CompositeContextNode subCompNode = compNodeCreator.createNode("sub2");
        connect(startNode, subCompNode);
        WorkItemNode workItemNode = workItemNodeCreator.createNode("work2");
        workItemNode.getWork().setName(workItemNames[2]);
        connect(subCompNode, workItemNode);
        EndNode endNode = endNodeCreator.createNode("end2");
        connect(workItemNode, endNode);
        createBoundaryEventCompensationHandler(compositeNode, workItemNode, eventList, "2");
        compositeNode = subCompNode;
    }
    // Fill 3rd level with process with compensation
    {
        startNodeCreator.setNodeContainer(compositeNode);
        workItemNodeCreator.setNodeContainer(compositeNode);
        endNodeCreator.setNodeContainer(compositeNode);
        StartNode startNode = startNodeCreator.createNode("start");
        Node lastNode = startNode;
        WorkItemNode[] workItemNodes = new WorkItemNode[3];
        for (int i = 0; i < 2; ++i) {
            workItemNodes[i] = workItemNodeCreator.createNode("work-comp-" + (i + 1));
            workItemNodes[i].getWork().setName(workItemNames[i]);
            connect(lastNode, workItemNodes[i]);
            lastNode = workItemNodes[i];
        }
        EndNode endNode = endNodeCreator.createNode("end");
        connect(workItemNodes[1], endNode);
        // Compensation (boundary event) handlers
        for (int i = 0; i < 2; ++i) {
            createBoundaryEventCompensationHandler(compositeNode, workItemNodes[i], eventList, "" + i + 1);
        }
    }
    return process;
}

Example 39 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class VariableHandler method start.

public Object start(final String uri, final String localName, final Attributes attrs, final ExtensibleXmlParser parser) throws SAXException {
    parser.startElementBuilder(localName, attrs);
    ContextContainer contextContainer = (ContextContainer) parser.getParent();
    final String name = attrs.getValue("name");
    emptyAttributeCheck(localName, "name", name, parser);
    VariableScope variableScope = (VariableScope) contextContainer.getDefaultContext(VariableScope.VARIABLE_SCOPE);
    Variable variable = new Variable();
    if (variableScope != null) {
        variable.setName(name);
        List<Variable> variables = variableScope.getVariables();
        if (variables == null) {
            variables = new ArrayList<Variable>();
            variableScope.setVariables(variables);
        }
        variables.add(variable);
    } else {
        throw new SAXParseException("Could not find default variable scope.", parser.getLocator());
    }
    return variable;
}

Example 40 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class WorkflowProcessInstanceImpl method getEventDescriptions.

@Override
public Set<EventDescription<?>> getEventDescriptions() {
    if (getState() == ProcessInstance.STATE_COMPLETED || getState() == ProcessInstance.STATE_ABORTED) {
        return Collections.emptySet();
    }
    VariableScope variableScope = (VariableScope) ((ContextContainer) getProcess()).getDefaultContext(VariableScope.VARIABLE_SCOPE);
    Set<EventDescription<?>> eventDesciptions = new LinkedHashSet<>();
    List<EventListener> activeListeners = eventListeners.values().stream().flatMap(List::stream).collect(Collectors.toList());
    activeListeners.addAll(externalEventListeners.values().stream().flatMap(List::stream).collect(Collectors.toList()));
    activeListeners.forEach(el -> eventDesciptions.addAll(el.getEventDescriptions()));
    ((io.automatiko.engine.workflow.process.core.WorkflowProcess) getProcess()).getNodesRecursively().stream().filter(n -> n instanceof EventNodeInterface).forEach(n -> {
        NamedDataType dataType = null;
        if (((EventNodeInterface) n).getVariableName() != null) {
            Map<String, Object> dataOutputs = (Map<String, Object>) n.getMetaData().get("DataOutputs");
            if (dataOutputs != null) {
                for (Entry<String, Object> dOut : dataOutputs.entrySet()) {
                    dataType = new NamedDataType(dOut.getKey(), dOut.getValue());
                }
            } else {
                Variable eventVar = variableScope.findVariable(((EventNodeInterface) n).getVariableName());
                if (eventVar != null) {
                    dataType = new NamedDataType(eventVar.getName(), eventVar.getType());
                }
            }
        }
        if (n instanceof BoundaryEventNode) {
            BoundaryEventNode boundaryEventNode = (BoundaryEventNode) n;
            StateBasedNodeInstance attachedToNodeInstance = (StateBasedNodeInstance) getNodeInstances(true).stream().filter(ni -> ni.getNode().getMetaData().get(UNIQUE_ID).equals(boundaryEventNode.getAttachedToNodeId())).findFirst().orElse(null);
            if (attachedToNodeInstance != null) {
                Map<String, String> properties = new HashMap<>();
                properties.put("AttachedToID", attachedToNodeInstance.getNodeDefinitionId());
                properties.put("AttachedToName", attachedToNodeInstance.getNodeName());
                String eventType = EVENT_TYPE_SIGNAL;
                String eventName = boundaryEventNode.getType();
                Map<String, String> timerProperties = attachedToNodeInstance.extractTimerEventInformation();
                if (timerProperties != null) {
                    properties.putAll(timerProperties);
                    eventType = "timer";
                    eventName = "timerTriggered";
                }
                eventDesciptions.add(new BaseEventDescription(eventName, (String) n.getMetaData().get(UNIQUE_ID), n.getName(), eventType, null, getId(), dataType, properties));
            }
        } else if (n instanceof EventSubProcessNode) {
            EventSubProcessNode eventSubProcessNode = (EventSubProcessNode) n;
            boolean isContainerActive = false;
            if (eventSubProcessNode.getParentContainer() instanceof WorkflowProcess) {
                isContainerActive = true;
            } else if (eventSubProcessNode.getParentContainer() instanceof CompositeNode) {
                isContainerActive = !getNodeInstances(((CompositeNode) eventSubProcessNode.getParentContainer()).getId()).isEmpty();
            }
            if (isContainerActive) {
                Node startNode = eventSubProcessNode.findStartNode();
                Map<Timer, ProcessAction> timers = eventSubProcessNode.getTimers();
                if (timers != null && !timers.isEmpty()) {
                    getNodeInstances(eventSubProcessNode.getId()).forEach(ni -> {
                        Map<String, String> timerProperties = ((StateBasedNodeInstance) ni).extractTimerEventInformation();
                        if (timerProperties != null) {
                            eventDesciptions.add(new BaseEventDescription("timerTriggered", (String) startNode.getMetaData().get("UniqueId"), startNode.getName(), "timer", ni.getId(), getId(), null, timerProperties));
                        }
                    });
                } else {
                    for (String eventName : eventSubProcessNode.getEvents()) {
                        if ("variableChanged".equals(eventName)) {
                            continue;
                        }
                        eventDesciptions.add(new BaseEventDescription(eventName, (String) startNode.getMetaData().get("UniqueId"), startNode.getName(), "signal", null, getId(), dataType));
                    }
                }
            }
        } else if (n instanceof EventNode) {
            NamedDataType finalDataType = dataType;
            getNodeInstances(n.getId()).forEach(ni -> eventDesciptions.add(new BaseEventDescription(((EventNode) n).getType(), (String) n.getMetaData().get(UNIQUE_ID), n.getName(), (String) n.getMetaData().getOrDefault(EVENT_TYPE, EVENT_TYPE_SIGNAL), ni.getId(), getId(), finalDataType)));
        } else if (n instanceof StateNode) {
            getNodeInstances(n.getId()).forEach(ni -> eventDesciptions.add(new BaseEventDescription((String) n.getMetaData().get(CONDITION), (String) n.getMetaData().get(UNIQUE_ID), n.getName(), (String) n.getMetaData().getOrDefault(EVENT_TYPE, EVENT_TYPE_SIGNAL), ni.getId(), getId(), null)));
        }
    });
    return eventDesciptions;
}