Examples with NodeContainer io.automatiko.engine.workflow.process.core.NodeContainer used on opensource projects

Example 11 with NodeContainer

use of io.automatiko.engine.workflow.process.core.NodeContainer in project automatiko-engine by automatiko-io.

the class AssociationHandler method start.

public Object start(final String uri, final String localName, final Attributes attrs, final ExtensibleXmlParser parser) throws SAXException {
    parser.startElementBuilder(localName, attrs);
    Association association = new Association();
    association.setId(attrs.getValue("id"));
    association.setSourceRef(attrs.getValue("sourceRef"));
    association.setTargetRef(attrs.getValue("targetRef"));
    String direction = attrs.getValue("associationDirection");
    if (direction != null) {
        boolean acceptableDirection = false;
        direction = direction.toLowerCase();
        String[] possibleDirections = { "none", "one", "both" };
        for (String acceptable : possibleDirections) {
            if (acceptable.equals(direction)) {
                acceptableDirection = true;
                break;
            }
        }
        if (!acceptableDirection) {
            throw new IllegalArgumentException("Unknown direction '" + direction + "' used in Association " + association.getId());
        }
    }
    association.setDirection(direction);
    /**
     * BPMN2 spec, p. 66: "At this point, BPMN provides three standard Artifacts:
     * Associations, Groups, and Text Annotations. ... When an Artifact is defined
     * it is contained within a Collaboration or a FlowElementsContainer (a Process
     * or Choreography)."
     *
     * (In other words: associations must be defined within a process, not outside)
     */
    List<Association> associations = null;
    NodeContainer nodeContainer = (NodeContainer) parser.getParent();
    if (nodeContainer instanceof Process) {
        ExecutableProcess process = (ExecutableProcess) nodeContainer;
        associations = (List<Association>) process.getMetaData(ASSOCIATIONS);
        if (associations == null) {
            associations = new ArrayList<>();
            process.setMetaData(ASSOCIATIONS, associations);
        }
    } else if (nodeContainer instanceof CompositeNode) {
        CompositeContextNode compositeNode = (CompositeContextNode) nodeContainer;
        associations = (List<Association>) compositeNode.getMetaData(ASSOCIATIONS);
        if (associations == null) {
            associations = new ArrayList<>();
            compositeNode.setMetaData(ProcessHandler.ASSOCIATIONS, associations);
        }
    } else {
        associations = new ArrayList<>();
    }
    associations.add(association);
    return association;
}

Example 12 with NodeContainer

use of io.automatiko.engine.workflow.process.core.NodeContainer in project automatiko-engine by automatiko-io.

the class BoundaryEventHandler method end.

public Object end(final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    final Element element = parser.endElementBuilder();
    Node node = (Node) parser.getCurrent();
    String attachedTo = element.getAttribute("attachedToRef");
    Attr cancelActivityAttr = element.getAttributeNode("cancelActivity");
    boolean cancelActivity = true;
    if (cancelActivityAttr != null) {
        cancelActivity = Boolean.parseBoolean(cancelActivityAttr.getValue());
    }
    // determine type of event definition, so the correct type of node can be
    // generated
    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
        String nodeName = xmlNode.getNodeName();
        if ("escalationEventDefinition".equals(nodeName)) {
            // reuse already created EventNode
            handleEscalationNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "escalation");
            break;
        } else if ("errorEventDefinition".equals(nodeName)) {
            // reuse already created EventNode
            handleErrorNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "error");
            break;
        } else if ("timerEventDefinition".equals(nodeName)) {
            // reuse already created EventNode
            handleTimerNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "timer");
            break;
        } else if ("compensateEventDefinition".equals(nodeName)) {
            // reuse already created EventNode
            handleCompensationNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "compensation");
            break;
        } else if ("signalEventDefinition".equals(nodeName)) {
            // reuse already created EventNode
            handleSignalNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "signal");
            break;
        } else if ("conditionalEventDefinition".equals(nodeName)) {
            handleConditionNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "condition");
            break;
        } else if ("messageEventDefinition".equals(nodeName)) {
            handleMessageNode(node, element, uri, localName, parser, attachedTo, cancelActivity);
            node.setMetaData(EVENT_TYPE, "message");
            break;
        }
        xmlNode = xmlNode.getNextSibling();
    }
    node.setMetaData("DataOutputs", new LinkedHashMap<String, String>(dataOutputTypes));
    NodeContainer nodeContainer = (NodeContainer) parser.getParent();
    nodeContainer.addNode(node);
    ((ProcessBuildData) parser.getData()).addNode(node);
    return node;
}

Example 13 with NodeContainer

use of io.automatiko.engine.workflow.process.core.NodeContainer in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowFactory method expressionActionStateNode.

public ActionNode expressionActionStateNode(long id, String name, NodeContainer nodeContainer, String expression, Action action) {
    ActionNode actionNode = new ActionNode();
    actionNode.setId(id);
    actionNode.setName(name);
    ActionDataFilter actionDataFilter = action.getActionDataFilter();
    StringBuilder functionArguments = new StringBuilder();
    if (action.getFunctionRef().getArguments() != null) {
        functionArguments.append("(");
        for (JsonNode argument : action.getFunctionRef().getArguments()) {
            functionArguments.append(unwrapExpression(argument.toString())).append(",");
        }
        functionArguments.deleteCharAt(functionArguments.length() - 1);
        functionArguments.append(")");
    }
    String inputFilter = actionDataFilter == null ? null : unwrapExpression(actionDataFilter.getFromStateData());
    String outputFilter = actionDataFilter == null ? null : unwrapExpression(actionDataFilter.getResults());
    String scopeFilter = actionDataFilter == null ? null : unwrapExpression(actionDataFilter.getToStateData());
    ConsequenceAction processAction = new ConsequenceAction(null, "expression(context, " + escapeExpression(expression + functionArguments) + ", " + escapeExpression(inputFilter) + ");");
    if (actionDataFilter != null && actionDataFilter.isUseResults()) {
        processAction = new ConsequenceAction(null, "expression(context, " + escapeExpression(expression + functionArguments) + ", " + escapeExpression(inputFilter) + ", " + escapeExpression(outputFilter) + ", " + escapeExpression(scopeFilter) + ");");
    }
    io.automatiko.engine.workflow.base.instance.impl.Action injectAction = context -> {
        if (actionDataFilter != null && actionDataFilter.isUseResults()) {
            io.automatiko.engine.workflow.sw.ServerlessFunctions.expression(context, expression, inputFilter, outputFilter, scopeFilter);
        } else {
            io.automatiko.engine.workflow.sw.ServerlessFunctions.expression(context, expression, inputFilter);
        }
    };
    processAction.setMetaData(ACTION, injectAction);
    actionNode.setAction(processAction);
    nodeContainer.addNode(actionNode);
    return actionNode;
}

Example 14 with NodeContainer

use of io.automatiko.engine.workflow.process.core.NodeContainer in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowFactory method injectStateNode.

public ActionNode injectStateNode(long id, String name, NodeContainer nodeContainer, String dataToInject) {
    ActionNode actionNode = new ActionNode();
    actionNode.setId(id);
    actionNode.setName(name);
    ConsequenceAction processAction = new ConsequenceAction(null, "inject(context, " + escapeExpression(dataToInject) + ");");
    io.automatiko.engine.workflow.base.instance.impl.Action injectAction = context -> {
        io.automatiko.engine.workflow.sw.ServerlessFunctions.inject(context, dataToInject);
    };
    processAction.setMetaData(ACTION, injectAction);
    actionNode.setAction(processAction);
    nodeContainer.addNode(actionNode);
    return actionNode;
}

Example 15 with NodeContainer

use of io.automatiko.engine.workflow.process.core.NodeContainer in project automatiko-engine by automatiko-io.

the class ConnectionHandler method start.

public Object start(final String uri, final String localName, final Attributes attrs, final ExtensibleXmlParser parser) throws SAXException {
    parser.startElementBuilder(localName, attrs);
    String fromId = attrs.getValue("from");
    emptyAttributeCheck(localName, "from", fromId, parser);
    String toId = attrs.getValue("to");
    emptyAttributeCheck(localName, "to", toId, parser);
    String bendpoints = attrs.getValue("bendpoints");
    String fromType = attrs.getValue("fromType");
    if (fromType == null || fromType.trim().length() == 0) {
        fromType = NodeImpl.CONNECTION_DEFAULT_TYPE;
    }
    String toType = attrs.getValue("toType");
    if (toType == null || toType.trim().length() == 0) {
        toType = NodeImpl.CONNECTION_DEFAULT_TYPE;
    }
    NodeContainer nodeContainer = (NodeContainer) parser.getParent();
    Node fromNode = nodeContainer.getNode(new Long(fromId));
    Node toNode = nodeContainer.getNode(new Long(toId));
    if (fromNode == null) {
        throw new SAXParseException("Node '" + fromId + "'cannot be found", parser.getLocator());
    }
    if (toNode == null) {
        throw new SAXParseException("Node '" + toId + "' cannot be found", parser.getLocator());
    }
    ConnectionImpl connection = new ConnectionImpl(fromNode, fromType, toNode, toType);
    connection.setMetaData("bendpoints", bendpoints);
    return connection;
}