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

Example 6 with CompositeContextNode

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

the class ProcessHandler method checkBoundaryEventCompensationHandler.

/**
 * This logic belongs in {@link ExecutableProcessValidator} -- except that
 * {@link Association}s are a jbpm-bpmn2 class, and
 * {@link ExecutableProcessValidator} is a jbpm-flow class..
 * </p>
 * Maybe we should have a BPMNProcessValidator class?
 *
 * @param association The association to check.
 * @param source The source of the association.
 * @param target The target of the association.
 */
private static void checkBoundaryEventCompensationHandler(Association association, Node source, Node target) {
    // - event node is boundary event node
    if (!(source instanceof BoundaryEventNode)) {
        throw new IllegalArgumentException("(Compensation) activities may only be associated with Boundary Event Nodes (not with" + source.getClass().getSimpleName() + " nodes [node " + ((String) source.getMetaData().get("UniqueId")) + "].");
    }
    BoundaryEventNode eventNode = (BoundaryEventNode) source;
    // - event node has compensationEvent
    List<EventFilter> eventFilters = eventNode.getEventFilters();
    boolean compensationCheckPassed = false;
    if (eventFilters != null) {
        for (EventFilter filter : eventFilters) {
            if (filter instanceof EventTypeFilter) {
                String type = ((EventTypeFilter) filter).getType();
                if (type != null && type.equals("Compensation")) {
                    compensationCheckPassed = true;
                }
            }
        }
    }
    if (!compensationCheckPassed) {
        throw new IllegalArgumentException("An Event [" + ((String) eventNode.getMetaData("UniqueId")) + "] linked from an association [" + association.getId() + "] must be a (Boundary) Compensation Event.");
    }
    // - boundary event node is attached to the correct type of node?
    /**
     * Tasks: business: RuleSetNode manual: WorkItemNode receive: WorkItemNode
     * script: ActionNode send: WorkItemNode service: WorkItemNode task:
     * WorkItemNode user: HumanTaskNode
     */
    String attachedToId = eventNode.getAttachedToNodeId();
    Node attachedToNode = null;
    for (Node node : eventNode.getParentContainer().getNodes()) {
        if (attachedToId.equals(node.getMetaData().get("UniqueId"))) {
            attachedToNode = node;
            break;
        }
    }
    if (attachedToNode == null) {
        throw new IllegalArgumentException("Boundary Event [" + ((String) eventNode.getMetaData("UniqueId")) + "] is not attached to a node [" + attachedToId + "] that can be found.");
    }
    if (!(attachedToNode instanceof RuleSetNode || attachedToNode instanceof WorkItemNode || attachedToNode instanceof ActionNode || attachedToNode instanceof HumanTaskNode || attachedToNode instanceof CompositeNode || attachedToNode instanceof SubProcessNode)) {
        throw new IllegalArgumentException("Compensation Boundary Event [" + ((String) eventNode.getMetaData("UniqueId")) + "] must be attached to a task or sub-process.");
    }
    // - associated node is a task or subProcess
    compensationCheckPassed = false;
    if (target instanceof WorkItemNode || target instanceof HumanTaskNode || target instanceof CompositeContextNode || target instanceof SubProcessNode) {
        compensationCheckPassed = true;
    } else if (target instanceof ActionNode) {
        Object nodeTypeObj = ((ActionNode) target).getMetaData("NodeType");
        if (nodeTypeObj != null && nodeTypeObj.equals("ScriptTask")) {
            compensationCheckPassed = true;
        }
    }
    if (!compensationCheckPassed) {
        throw new IllegalArgumentException("An Activity [" + ((String) ((NodeImpl) target).getMetaData("UniqueId")) + "] associated with a Boundary Compensation Event must be a Task or a (non-Event) Sub-Process");
    }
    // - associated node does not have outgoingConnections of it's own
    compensationCheckPassed = true;
    NodeImpl targetNode = (NodeImpl) target;
    Map<String, List<io.automatiko.engine.api.definition.process.Connection>> connectionsMap = targetNode.getOutgoingConnections();
    ConnectionImpl outgoingConnection = null;
    for (String connectionType : connectionsMap.keySet()) {
        List<io.automatiko.engine.api.definition.process.Connection> connections = connectionsMap.get(connectionType);
        if (connections != null && !connections.isEmpty()) {
            for (io.automatiko.engine.api.definition.process.Connection connection : connections) {
                Object hiddenObj = connection.getMetaData().get("hidden");
                if (hiddenObj != null && ((Boolean) hiddenObj)) {
                    continue;
                }
                outgoingConnection = (ConnectionImpl) connection;
                compensationCheckPassed = false;
                break;
            }
        }
    }
    if (!compensationCheckPassed) {
        throw new IllegalArgumentException("A Compensation Activity [" + ((String) targetNode.getMetaData("UniqueId")) + "] may not have any outgoing connection [" + (String) outgoingConnection.getMetaData("UniqueId") + "]");
    }
}

Example 7 with CompositeContextNode

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

the class CompensationTest method createNestedCompensationEventSubProcessProcess.

private ExecutableProcess createNestedCompensationEventSubProcessProcess(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);
    NodeCreator<StartNode> startNodeCreator = new NodeCreator<StartNode>(process, StartNode.class);
    NodeCreator<WorkItemNode> workItemNodeCreator = new NodeCreator<WorkItemNode>(process, WorkItemNode.class);
    NodeCreator<CompositeContextNode> compNodeCreator = new NodeCreator<CompositeContextNode>(process, CompositeContextNode.class);
    NodeCreator<EndNode> endNodeCreator = new NodeCreator<EndNode>(process, EndNode.class);
    // outer process
    CompositeContextNode compositeNode = compNodeCreator.createNode("sub0");
    {
        StartNode startNode = startNodeCreator.createNode("start0");
        WorkItemNode workItemNode = workItemNodeCreator.createNode("work0-pre");
        workItemNode.getWork().setName(workItemNames[0]);
        connect(startNode, workItemNode);
        connect(workItemNode, compositeNode);
        EndNode endNode = endNodeCreator.createNode("end0");
        connect(compositeNode, endNode);
    }
    // 1rst level nested subprocess (contains compensation visibility scope)
    CompositeContextNode compensationScopeContainerNode = compositeNode;
    {
        startNodeCreator.setNodeContainer(compositeNode);
        workItemNodeCreator.setNodeContainer(compositeNode);
        compNodeCreator.setNodeContainer(compositeNode);
        endNodeCreator.setNodeContainer(compositeNode);
        StartNode startNode = startNodeCreator.createNode("start1");
        CompositeContextNode subCompNode = compNodeCreator.createNode("sub1");
        connect(startNode, subCompNode);
        WorkItemNode workItemNode = workItemNodeCreator.createNode("work1-post");
        workItemNode.getWork().setName(workItemNames[2]);
        connect(subCompNode, workItemNode);
        EndNode endNode = endNodeCreator.createNode("end1");
        connect(workItemNode, endNode);
        compositeNode = subCompNode;
    }
    // 2nd level nested subprocess
    {
        startNodeCreator.setNodeContainer(compositeNode);
        workItemNodeCreator.setNodeContainer(compositeNode);
        endNodeCreator.setNodeContainer(compositeNode);
        StartNode startNode = startNodeCreator.createNode("start2");
        WorkItemNode workItemNode = workItemNodeCreator.createNode("work2");
        workItemNode.getWork().setName(workItemNames[1]);
        connect(startNode, workItemNode);
        EndNode endNode = endNodeCreator.createNode("end2");
        connect(workItemNode, endNode);
    }
    // 3nd level nested event subprocess in 2nd level subprocess
    {
        NodeCreator<EventSubProcessNode> espNodeCreator = new NodeCreator<EventSubProcessNode>(compositeNode, EventSubProcessNode.class);
        EventSubProcessNode espNode = espNodeCreator.createNode("eventSub2");
        startNodeCreator.setNodeContainer(espNode);
        endNodeCreator.setNodeContainer(espNode);
        NodeCreator<ActionNode> actionNodeCreator = new NodeCreator<ActionNode>(espNode, ActionNode.class);
        EventTypeFilter eventFilter = new NonAcceptingEventTypeFilter();
        eventFilter.setType("Compensation");
        espNode.addEvent(eventFilter);
        addCompensationScope(espNode, compensationScopeContainerNode, (String) compositeNode.getMetaData("UniqueId"));
        StartNode startNode = startNodeCreator.createNode("start3*");
        ActionNode actionNode = actionNodeCreator.createNode("action3*");
        actionNode.setName("Execute");
        ProcessAction action = new ConsequenceAction("java", null);
        action.setMetaData("Action", new Action() {

            public void execute(ProcessContext context) throws Exception {
                eventList.add("Executed action");
            }
        });
        actionNode.setAction(action);
        connect(startNode, actionNode);
        EndNode endNode = endNodeCreator.createNode("end3*");
        connect(actionNode, endNode);
    }
    return process;
}

Example 8 with CompositeContextNode

use of io.automatiko.engine.workflow.process.core.node.CompositeContextNode 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 9 with CompositeContextNode

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

the class CompensationTest method createCompensationEventSubProcessProcess.

private ExecutableProcess createCompensationEventSubProcessProcess(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);
    NodeCreator<StartNode> startNodeCreator = new NodeCreator<StartNode>(process, StartNode.class);
    NodeCreator<WorkItemNode> workItemNodeCreator = new NodeCreator<WorkItemNode>(process, WorkItemNode.class);
    NodeCreator<CompositeContextNode> compNodeCreator = new NodeCreator<CompositeContextNode>(process, CompositeContextNode.class);
    NodeCreator<EndNode> endNodeCreator = new NodeCreator<EndNode>(process, EndNode.class);
    // outer process
    StartNode startNode = startNodeCreator.createNode("start0");
    WorkItemNode workItemNode = workItemNodeCreator.createNode("work0-pre");
    workItemNode.getWork().setName(workItemNames[0]);
    connect(startNode, workItemNode);
    CompositeNode compositeNode = compNodeCreator.createNode("sub0");
    connect(workItemNode, compositeNode);
    workItemNode = workItemNodeCreator.createNode("work0-post");
    workItemNode.getWork().setName(workItemNames[2]);
    connect(compositeNode, workItemNode);
    EndNode endNode = endNodeCreator.createNode("end0");
    connect(workItemNode, endNode);
    // 1rst level nested subprocess
    startNodeCreator.setNodeContainer(compositeNode);
    workItemNodeCreator.setNodeContainer(compositeNode);
    endNodeCreator.setNodeContainer(compositeNode);
    startNode = startNodeCreator.createNode("start1");
    workItemNode = workItemNodeCreator.createNode("work1");
    workItemNode.getWork().setName(workItemNames[1]);
    connect(startNode, workItemNode);
    endNode = endNodeCreator.createNode("end1");
    connect(workItemNode, endNode);
    // 2nd level nested event subprocess in 1rst level subprocess
    NodeCreator<EventSubProcessNode> espNodeCreator = new NodeCreator<EventSubProcessNode>(compositeNode, EventSubProcessNode.class);
    EventSubProcessNode espNode = espNodeCreator.createNode("eventSub1");
    EventTypeFilter eventFilter = new NonAcceptingEventTypeFilter();
    eventFilter.setType("Compensation");
    espNode.addEvent(eventFilter);
    addCompensationScope(espNode, process, (String) compositeNode.getMetaData("UniqueId"));
    startNodeCreator.setNodeContainer(espNode);
    endNodeCreator.setNodeContainer(espNode);
    NodeCreator<ActionNode> actionNodeCreator = new NodeCreator<ActionNode>(espNode, ActionNode.class);
    startNode = startNodeCreator.createNode("start1*");
    ActionNode actionNode = actionNodeCreator.createNode("action1*");
    actionNode.setName("Execute");
    ProcessAction action = new ConsequenceAction("java", null);
    action.setMetaData("Action", new Action() {

        public void execute(ProcessContext context) throws Exception {
            eventList.add("Executed action");
        }
    });
    actionNode.setAction(action);
    connect(startNode, actionNode);
    endNode = endNodeCreator.createNode("end1*");
    connect(actionNode, endNode);
    return process;
}

Example 10 with CompositeContextNode

use of io.automatiko.engine.workflow.process.core.node.CompositeContextNode 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;
}