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

Example 21 with VariableScope

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

the class AdHocSubProcessHandler method createNode.

@Override
protected Node createNode(Attributes attrs) {
    DynamicNode result = new DynamicNode();
    VariableScope variableScope = new VariableScope();
    result.addContext(variableScope);
    result.setDefaultContext(variableScope);
    return result;
}

Example 22 with VariableScope

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

the class AbstractNodeHandler method findVariable.

/**
 * Finds the right variable by its name to make sure that when given as id it
 * will be also matched
 *
 * @param variableName name or id of the variable
 * @param parser parser instance
 * @return returns found variable name or given 'variableName' otherwise
 */
protected String findVariable(String variableName, final ExtensibleXmlParser parser) {
    if (variableName == null) {
        return null;
    }
    List<?> parents = parser.getParents();
    for (Object parent : parents) {
        if (parent instanceof ContextContainer) {
            ContextContainer contextContainer = (ContextContainer) parent;
            VariableScope variableScope = (VariableScope) contextContainer.getDefaultContext(VariableScope.VARIABLE_SCOPE);
            return variableScope.getVariables().stream().filter(v -> v.matchByIdOrName(variableName)).map(v -> v.getName()).findFirst().orElse(variableName);
        }
    }
    return variableName;
}

Example 23 with VariableScope

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

the class ServerlessWorkflowFactory method callActivity.

public SubProcessNode callActivity(long id, String name, String calledId, boolean waitForCompletion, NodeContainer nodeContainer) {
    SubProcessNode subProcessNode = new SubProcessNode();
    subProcessNode.setId(id);
    subProcessNode.setName(name);
    subProcessNode.setProcessId(calledId);
    subProcessNode.setWaitForCompletion(waitForCompletion);
    subProcessNode.setIndependent(true);
    VariableScope variableScope = new VariableScope();
    subProcessNode.addContext(variableScope);
    subProcessNode.setDefaultContext(variableScope);
    Map<String, String> inputOtuputTypes = new HashMap<>();
    inputOtuputTypes.put(DEFAULT_WORKFLOW_VAR, JSON_NODE);
    subProcessNode.setMetaData("BPMN.InputTypes", inputOtuputTypes);
    subProcessNode.setMetaData("BPMN.OutputTypes", inputOtuputTypes);
    // parent and sub processes have process var "workflowdata"
    subProcessNode.addInMapping(DEFAULT_WORKFLOW_VAR, DEFAULT_WORKFLOW_VAR);
    subProcessNode.addOutMapping(DEFAULT_WORKFLOW_VAR, DEFAULT_WORKFLOW_VAR);
    nodeContainer.addNode(subProcessNode);
    return subProcessNode;
}

Example 24 with VariableScope

use of io.automatiko.engine.workflow.base.core.context.variable.VariableScope 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 25 with VariableScope

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