Examples with Node org.kie.api.definition.process.Node used on opensource projects

Example 11 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class ProcessHandler method linkAssociations.

public static void linkAssociations(Definitions definitions, NodeContainer nodeContainer, List<Association> associations) {
    if (associations != null) {
        for (Association association : associations) {
            String sourceRef = association.getSourceRef();
            Object source = null;
            try {
                source = findNodeOrDataStoreByUniqueId(definitions, nodeContainer, sourceRef, "Could not find source [" + sourceRef + "] for association " + association.getId() + "]");
            } catch (IllegalArgumentException e) {
            // source not found
            }
            String targetRef = association.getTargetRef();
            Object target = null;
            try {
                target = findNodeOrDataStoreByUniqueId(definitions, nodeContainer, targetRef, "Could not find target [" + targetRef + "] for association [" + association.getId() + "]");
            } catch (IllegalArgumentException e) {
            // target not found
            }
            if (source == null || target == null) {
            // TODO: ignoring this association for now
            } else if (target instanceof DataStore || source instanceof DataStore) {
            // TODO: ignoring data store associations for now
            } else if (source instanceof EventNode) {
                EventNode sourceNode = (EventNode) source;
                Node targetNode = (Node) target;
                checkBoundaryEventCompensationHandler(association, sourceNode, targetNode);
                // make sure IsForCompensation is set to true on target
                NodeImpl targetNodeImpl = (NodeImpl) target;
                String isForCompensation = "isForCompensation";
                Object compensationObject = targetNodeImpl.getMetaData(isForCompensation);
                if (compensationObject == null) {
                    targetNodeImpl.setMetaData(isForCompensation, true);
                    logger.warn("Setting {} attribute to true for node {}", isForCompensation, targetRef);
                } else if (!Boolean.parseBoolean(compensationObject.toString())) {
                    throw new IllegalArgumentException(isForCompensation + " attribute [" + compensationObject + "] should be true for Compensation Activity [" + targetRef + "]");
                }
                // put Compensation Handler in CompensationHandlerNode
                NodeContainer sourceParent = sourceNode.getNodeContainer();
                NodeContainer targetParent = targetNode.getNodeContainer();
                if (!sourceParent.equals(targetParent)) {
                    throw new IllegalArgumentException("Compensation Associations may not cross (sub-)process boundaries,");
                }
                // connect boundary event to compensation activity
                ConnectionImpl connection = new ConnectionImpl(sourceNode, NodeImpl.CONNECTION_DEFAULT_TYPE, targetNode, NodeImpl.CONNECTION_DEFAULT_TYPE);
                connection.setMetaData("UniqueId", null);
                connection.setMetaData("hidden", true);
                connection.setMetaData("association", true);
            // Compensation use cases:
            // - boundary event --associated-> activity
            // - implicit sub process compensation handler + recursive?
            /**
             * BPMN2 spec, p.442:
             *   "A Compensation Event Sub-process becomes enabled when its parent Activity transitions into state
             *  Completed. At that time, a snapshot of the data associated with the parent Acitivity is taken and kept for
             *  later usage by the Compensation Event Sub-Process."
             */
            }
        }
    }
}

Example 12 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class ProcessHandler method linkConnections.

public static void linkConnections(NodeContainer nodeContainer, List<SequenceFlow> connections) {
    if (connections != null) {
        for (SequenceFlow connection : connections) {
            String sourceRef = connection.getSourceRef();
            Node source = findNodeByIdOrUniqueIdInMetadata(nodeContainer, sourceRef, "Could not find source node for connection:" + sourceRef);
            if (source instanceof EventNode) {
                for (EventFilter eventFilter : ((EventNode) source).getEventFilters()) {
                    if (eventFilter instanceof EventTypeFilter) {
                        if ("Compensation".equals(((EventTypeFilter) eventFilter).getType())) {
                            // BPMN Method & Style, 2nd Ed. (Silver), states this on P. 131
                            throw new IllegalArgumentException("A Compensation Boundary Event can only be *associated* with a compensation activity via an Association, not via a Sequence Flow element.");
                        }
                    }
                }
            }
            String targetRef = connection.getTargetRef();
            Node target = findNodeByIdOrUniqueIdInMetadata(nodeContainer, targetRef, "Could not find target node for connection:" + targetRef);
            Connection result = new ConnectionImpl(source, NodeImpl.CONNECTION_DEFAULT_TYPE, target, NodeImpl.CONNECTION_DEFAULT_TYPE);
            result.setMetaData("bendpoints", connection.getBendpoints());
            result.setMetaData("UniqueId", connection.getId());
            if ("true".equals(System.getProperty("jbpm.enable.multi.con"))) {
                NodeImpl nodeImpl = (NodeImpl) source;
                Constraint constraint = buildConstraint(connection, nodeImpl);
                if (constraint != null) {
                    nodeImpl.addConstraint(new ConnectionRef(target.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE), constraint);
                }
            } else if (source instanceof Split) {
                Split split = (Split) source;
                Constraint constraint = buildConstraint(connection, split);
                split.addConstraint(new ConnectionRef(target.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE), constraint);
            }
        }
    }
}

Example 13 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class ProcessHandler method linkBoundaryEvents.

public static void linkBoundaryEvents(NodeContainer nodeContainer) {
    for (Node node : nodeContainer.getNodes()) {
        if (node instanceof EventNode) {
            final String attachedTo = (String) node.getMetaData().get("AttachedTo");
            if (attachedTo != null) {
                for (EventFilter filter : ((EventNode) node).getEventFilters()) {
                    String type = ((EventTypeFilter) filter).getType();
                    Node attachedNode = findNodeByIdOrUniqueIdInMetadata(nodeContainer, attachedTo, "Could not find node to attach to: " + attachedTo);
                    // 
                    if (!(attachedNode instanceof StateBasedNode) && !type.equals("Compensation")) {
                        throw new IllegalArgumentException("Boundary events are supported only on StateBasedNode, found node: " + attachedNode.getClass().getName() + " [" + attachedNode.getMetaData().get("UniqueId") + "]");
                    }
                    if (type.startsWith("Escalation")) {
                        linkBoundaryEscalationEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.startsWith("Error-")) {
                        linkBoundaryErrorEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.startsWith("Timer-")) {
                        linkBoundaryTimerEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.equals("Compensation")) {
                        linkBoundaryCompensationEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (node.getMetaData().get("SignalName") != null || type.startsWith("Message-")) {
                        linkBoundarySignalEvent(nodeContainer, node, attachedTo, attachedNode);
                    } else if (type.startsWith("Condition-")) {
                        linkBoundaryConditionEvent(nodeContainer, node, attachedTo, attachedNode);
                    }
                }
            }
        }
    }
}

Example 14 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class ProcessHandler method assignLanes.

private void assignLanes(NodeContainer nodeContainer, Map<String, String> laneMapping) {
    for (Node node : nodeContainer.getNodes()) {
        String lane = null;
        String uniqueId = (String) node.getMetaData().get("UniqueId");
        if (uniqueId != null) {
            lane = laneMapping.get(uniqueId);
        } else {
            lane = laneMapping.get(XmlBPMNProcessDumper.getUniqueNodeId(node));
        }
        if (lane != null) {
            ((NodeImpl) node).setMetaData("Lane", lane);
            if (node instanceof HumanTaskNode) {
                ((HumanTaskNode) node).setSwimlane(lane);
            }
        }
        if (node instanceof NodeContainer) {
            assignLanes((NodeContainer) node, laneMapping);
        }
    }
}

Example 15 with Node

use of org.kie.api.definition.process.Node in project jbpm by kiegroup.

the class DefinitionsHandler method postProcessInterfaces.

private void postProcessInterfaces(NodeContainer nodeContainer, List<Interface> interfaces) {
    for (Node node : nodeContainer.getNodes()) {
        if (node instanceof NodeContainer) {
            postProcessInterfaces((NodeContainer) node, interfaces);
        }
        if (node instanceof WorkItemNode && "Service Task".equals(((WorkItemNode) node).getMetaData("Type"))) {
            WorkItemNode workItemNode = (WorkItemNode) node;
            if (interfaces == null) {
                throw new IllegalArgumentException("No interfaces found");
            }
            String operationRef = (String) workItemNode.getMetaData("OperationRef");
            String implementation = (String) workItemNode.getMetaData("Implementation");
            Operation operation = null;
            for (Interface i : interfaces) {
                operation = i.getOperation(operationRef);
                if (operation != null) {
                    break;
                }
            }
            if (operation == null) {
                throw new IllegalArgumentException("Could not find operation " + operationRef);
            }
            // avoid overriding parameters set by data input associations
            if (workItemNode.getWork().getParameter("Interface") == null) {
                workItemNode.getWork().setParameter("Interface", operation.getInterface().getName());
            }
            if (workItemNode.getWork().getParameter("Operation") == null) {
                workItemNode.getWork().setParameter("Operation", operation.getName());
            }
            if (workItemNode.getWork().getParameter("ParameterType") == null) {
                workItemNode.getWork().setParameter("ParameterType", operation.getMessage().getType());
            }
            // parameters to support web service invocation
            if (implementation != null) {
                workItemNode.getWork().setParameter("interfaceImplementationRef", operation.getInterface().getImplementationRef());
                workItemNode.getWork().setParameter("operationImplementationRef", operation.getImplementationRef());
                workItemNode.getWork().setParameter("implementation", implementation);
            }
        }
    }
}