Examples with NodeImpl org.jbpm.workflow.core.impl.NodeImpl used on opensource projects

Example 11 with NodeImpl

use of org.jbpm.workflow.core.impl.NodeImpl in project jbpm by kiegroup.

the class MultiConditionalSequenceFlowNodeBuilder method build.

public void build(Process process, ProcessDescr processDescr, ProcessBuildContext context, Node node) {
    Map<ConnectionRef, Constraint> constraints = ((NodeImpl) node).getConstraints();
    // exclude split as it is handled with separate builder and nodes with non conditional sequence flows
    if (node instanceof Split || constraints.size() == 0) {
        return;
    }
    // we need to clone the map, so we can update the original while iterating.
    Map<ConnectionRef, Constraint> map = new HashMap<ConnectionRef, Constraint>(constraints);
    for (Iterator<Map.Entry<ConnectionRef, Constraint>> it = map.entrySet().iterator(); it.hasNext(); ) {
        Map.Entry<ConnectionRef, Constraint> entry = it.next();
        ConnectionRef connection = entry.getKey();
        ConstraintImpl constraint = (ConstraintImpl) entry.getValue();
        Connection outgoingConnection = null;
        for (Connection out : ((NodeImpl) node).getDefaultOutgoingConnections()) {
            if (out.getToType().equals(connection.getToType()) && out.getTo().getId() == connection.getNodeId()) {
                outgoingConnection = out;
            }
        }
        if (outgoingConnection == null) {
            throw new IllegalArgumentException("Could not find outgoing connection");
        }
        if ("rule".equals(constraint.getType())) {
            RuleConstraintEvaluator ruleConstraint = new RuleConstraintEvaluator();
            ruleConstraint.setDialect(constraint.getDialect());
            ruleConstraint.setName(constraint.getName());
            ruleConstraint.setPriority(constraint.getPriority());
            ruleConstraint.setDefault(constraint.isDefault());
            ((NodeImpl) node).setConstraint(outgoingConnection, ruleConstraint);
        } else if ("code".equals(constraint.getType())) {
            ReturnValueConstraintEvaluator returnValueConstraint = new ReturnValueConstraintEvaluator();
            returnValueConstraint.setDialect(constraint.getDialect());
            returnValueConstraint.setName(constraint.getName());
            returnValueConstraint.setPriority(constraint.getPriority());
            returnValueConstraint.setDefault(constraint.isDefault());
            ((NodeImpl) node).setConstraint(outgoingConnection, returnValueConstraint);
            ReturnValueDescr returnValueDescr = new ReturnValueDescr();
            returnValueDescr.setText(constraint.getConstraint());
            returnValueDescr.setResource(processDescr.getResource());
            ProcessDialect dialect = ProcessDialectRegistry.getDialect(constraint.getDialect());
            dialect.getReturnValueEvaluatorBuilder().build(context, returnValueConstraint, returnValueDescr, (NodeImpl) node);
        }
    }
}

Example 12 with NodeImpl

use of org.jbpm.workflow.core.impl.NodeImpl in project jbpm by kiegroup.

the class CompensationEventListener method signalEvent.

/**
 * When signaling compensation, you can do that in 1 of 2 ways:
 * 1. signalEvent("Compensation", <node-with-compensation-handler-id>)
 *    This is specific compensation, that only possibly triggers the compensation handler
 *    attached to the node referred to by the <node-with-compensation-handler-id>.
 * 2. signalEvent("Compensation", "implicit:" + <node-container-containing-compensation-scope-id> )
 *    This is implicit or general compensation, in which you trigger all visible compensation handlers
 *    (in the proper order, etc.) in the (sub-)process referred to by
 *    the <node-container-containing-compensation-scope-id>.
 */
public void signalEvent(String compensationType, Object activityRefStr) {
    if (activityRefStr == null || !(activityRefStr instanceof String)) {
        throw new WorkflowRuntimeException(null, getProcessInstance(), "Compensation can only be triggered with String events, not an event of type " + activityRefStr == null ? "null" : activityRefStr.getClass().getSimpleName());
    }
    // 1. parse the activity ref (is it general or specific compensation?)
    String activityRef = (String) activityRefStr;
    String toCompensateNodeId = activityRef;
    boolean generalCompensation = false;
    if (activityRef.startsWith(IMPLICIT_COMPENSATION_PREFIX)) {
        toCompensateNodeId = activityRef.substring(IMPLICIT_COMPENSATION_PREFIX.length());
        generalCompensation = true;
    }
    org.jbpm.process.core.Process process = (org.jbpm.process.core.Process) instance.getProcess();
    // 2. for specific compensation: find the node that will be compensated
    // for general compensation: find the compensation scope container that contains all the visible compensation handlers
    Node toCompensateNode = null;
    ContextContainer compensationScopeContainer = null;
    if (generalCompensation) {
        if (toCompensateNodeId.equals(instance.getProcessId())) {
            compensationScopeContainer = process;
        } else {
            compensationScopeContainer = (ContextContainer) findNode(toCompensateNodeId);
        }
    } else {
        toCompensateNode = findNode(toCompensateNodeId);
    }
    // c. handle the exception (which also cleans up the generated node instances)
    if (toCompensateNode != null || compensationScopeContainer != null) {
        CompensationScope compensationScope = null;
        if (compensationScopeContainer != null) {
            compensationScope = (CompensationScope) compensationScopeContainer.getDefaultContext(COMPENSATION_SCOPE);
        } else {
            compensationScope = (CompensationScope) ((NodeImpl) toCompensateNode).resolveContext(COMPENSATION_SCOPE, toCompensateNodeId);
        }
        assert compensationScope != null : "Compensation scope for node [" + toCompensateNodeId + "] could not be found!";
        CompensationScopeInstance scopeInstance;
        if (compensationScope.getContextContainerId().equals(process.getId())) {
            // process level compensation
            scopeInstance = (CompensationScopeInstance) instance.getContextInstance(compensationScope);
        } else {
            // nested compensation
            Stack<NodeInstance> generatedInstances;
            if (toCompensateNode == null) {
                // logic is the same if it's specific or general
                generatedInstances = createNodeInstanceContainers((Node) compensationScopeContainer, true);
            } else {
                generatedInstances = createNodeInstanceContainers(toCompensateNode, false);
            }
            NodeInstance nodeInstanceContainer = generatedInstances.peek();
            scopeInstance = ((CompensationScopeInstance) ((ContextInstanceContainer) nodeInstanceContainer).getContextInstance(compensationScope));
            scopeInstance.addCompensationInstances(generatedInstances);
        }
        scopeInstance.handleException(activityRef, null);
    }
}

Example 13 with NodeImpl

use of org.jbpm.workflow.core.impl.NodeImpl in project jbpm by kiegroup.

the class WorkflowProcessInstanceUpgrader method updateNodeInstances.

private static void updateNodeInstances(NodeInstanceContainer nodeInstanceContainer, Map<String, Long> nodeMapping) {
    for (NodeInstance nodeInstance : nodeInstanceContainer.getNodeInstances()) {
        String oldNodeId = ((NodeImpl) ((org.jbpm.workflow.instance.NodeInstance) nodeInstance).getNode()).getUniqueId();
        Long newNodeId = nodeMapping.get(oldNodeId);
        if (newNodeId == null) {
            newNodeId = nodeInstance.getNodeId();
        }
        // clean up iteration levels for removed (old) nodes
        Map<String, Integer> iterLevels = ((WorkflowProcessInstanceImpl) nodeInstance.getProcessInstance()).getIterationLevels();
        String uniqueId = (String) ((NodeImpl) nodeInstance.getNode()).getMetaData("UniqueId");
        iterLevels.remove(uniqueId);
        // and now set to new node id
        ((NodeInstanceImpl) nodeInstance).setNodeId(newNodeId);
        if (nodeInstance instanceof NodeInstanceContainer) {
            updateNodeInstances((NodeInstanceContainer) nodeInstance, nodeMapping);
        }
    }
}

Example 14 with NodeImpl

use of org.jbpm.workflow.core.impl.NodeImpl in project jbpm by kiegroup.

the class ChecklistItemFactory method getPendingChecklistItems.

private static void getPendingChecklistItems(NodeContainer container, List<ChecklistItem> result, String processId) {
    for (Node node : container.getNodes()) {
        if (node instanceof HumanTaskNode) {
            Work workItem = ((HumanTaskNode) node).getWork();
            int priority = 0;
            String priorityString = (String) workItem.getParameter("Priority");
            if (priorityString != null) {
                try {
                    priority = new Integer(priorityString);
                } catch (NumberFormatException e) {
                // Do nothing
                }
            }
            String actorId = (String) workItem.getParameter("ActorId");
            if (actorId != null && actorId.trim().length() == 0) {
                actorId = null;
            }
            String groupId = (String) workItem.getParameter("GroupId");
            if (groupId != null && groupId.trim().length() == 0) {
                groupId = null;
            }
            String actors = null;
            if (actorId == null) {
                if (groupId == null) {
                    actors = "";
                } else {
                    actors = groupId;
                }
            } else {
                if (groupId == null) {
                    actors = actorId;
                } else {
                    actors = actorId + "," + groupId;
                }
            }
            Status status = Status.Pending;
            if (((HumanTaskNode) node).getDefaultIncomingConnections().size() == 0) {
                status = Status.Optional;
            }
            result.add(createChecklistItem((String) workItem.getParameter("TaskName"), "HumanTaskNode", actors, (String) workItem.getParameter("Comment"), priority, processId, status));
        } else if (node instanceof NodeContainer) {
            getPendingChecklistItems((NodeContainer) node, result, processId);
        } else {
            String docs = (String) node.getMetaData().get("Documentation");
            if (docs != null) {
                int position = docs.indexOf("OrderingNb=");
                if (position >= 0) {
                    int end = docs.indexOf(";", position + 1);
                    String orderingNumber = docs.substring(position + 11, end);
                    Status status = Status.Pending;
                    if (((NodeImpl) node).getDefaultIncomingConnections().size() == 0 && !(node instanceof StartNode)) {
                        status = Status.Optional;
                    }
                    result.add(createChecklistItem(node.getName(), node.getClass().getSimpleName(), "", orderingNumber, 0, processId, status));
                }
            }
        }
    }
}

Example 15 with NodeImpl

use of org.jbpm.workflow.core.impl.NodeImpl in project jbpm by kiegroup.

the class ProcessHandler method checkBoundaryEventCompensationHandler.

/**
 * This logic belongs in {@link RuleFlowProcessValidator} -- except that {@link Association}s are a jbpm-bpmn2 class,
 * and {@link RuleFlowProcessValidator} 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.getNodeContainer().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<org.kie.api.definition.process.Connection>> connectionsMap = targetNode.getOutgoingConnections();
    ConnectionImpl outgoingConnection = null;
    for (String connectionType : connectionsMap.keySet()) {
        List<org.kie.api.definition.process.Connection> connections = connectionsMap.get(connectionType);
        if (connections != null && !connections.isEmpty()) {
            for (org.kie.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") + "]");
    }
}