use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.
the class ProcessServiceImpl method getActiveBoundaryNodesSignals.
protected List<String> getActiveBoundaryNodesSignals(ProcessInstance processInstance, Collection<NodeInstance> activeNodes) {
WorkflowProcessInstance workflowProcessInstance = (WorkflowProcessInstance) processInstance;
ArrayList<Node> processNodesList = new ArrayList(Arrays.asList(((RuleFlowProcessInstance) workflowProcessInstance).getNodeContainer().getNodes()));
List<String> activeBoundaryNodesSignals = new ArrayList<>();
Map<String, NodeInstance> uniqueIdNodeInstanceMap = new HashMap<>();
for (NodeInstance activeNode : activeNodes) {
uniqueIdNodeInstanceMap.put((String) activeNode.getNode().getMetaData().get("UniqueId"), activeNode);
}
try {
for (Node processNode : processNodesList) {
if (processNode instanceof BoundaryEventNode && uniqueIdNodeInstanceMap.containsKey(((BoundaryEventNode) processNode).getAttachedToNodeId())) {
activeBoundaryNodesSignals.add(VariableUtil.resolveVariable((String) processNode.getMetaData().get("SignalName"), uniqueIdNodeInstanceMap.get(((BoundaryEventNode) processNode).getAttachedToNodeId())));
}
}
return activeBoundaryNodesSignals;
} catch (Exception e) {
logger.debug("Unable to retrieve boundary event nodes for active nodes in processInstance {}", processInstance.getId());
return new ArrayList<>();
}
}
use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.
the class RuleFlowProcessValidator method validateNodes.
private void validateNodes(Node[] nodes, List<ProcessValidationError> errors, RuleFlowProcess process) {
String isForCompensation = "isForCompensation";
for (int i = 0; i < nodes.length; i++) {
final Node node = nodes[i];
if (node instanceof StartNode) {
final StartNode startNode = (StartNode) node;
if (startNode.getTo() == null) {
addErrorMessage(process, node, errors, "Start has no outgoing connection.");
}
if (startNode.getTimer() != null) {
validateTimer(startNode.getTimer(), node, process, errors);
}
} else if (node instanceof EndNode) {
final EndNode endNode = (EndNode) node;
if (endNode.getFrom() == null) {
addErrorMessage(process, node, errors, "End has no incoming connection.");
}
validateCompensationIntermediateOrEndEvent(endNode, process, errors);
} else if (node instanceof RuleSetNode) {
final RuleSetNode ruleSetNode = (RuleSetNode) node;
if (ruleSetNode.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "RuleSet has no incoming connection.");
}
if (ruleSetNode.getTo() == null && !acceptsNoOutgoingConnections(node)) {
addErrorMessage(process, node, errors, "RuleSet has no outgoing connection.");
}
final String language = ruleSetNode.getLanguage();
if (RuleSetNode.DRL_LANG.equals(language)) {
final String ruleFlowGroup = ruleSetNode.getRuleFlowGroup();
if (ruleFlowGroup == null || "".equals(ruleFlowGroup)) {
addErrorMessage(process, node, errors, "RuleSet (DRL) has no ruleflow-group.");
}
} else if (RuleSetNode.DMN_LANG.equals(language)) {
final String namespace = ruleSetNode.getNamespace();
if (namespace == null || "".equals(namespace)) {
addErrorMessage(process, node, errors, "RuleSet (DMN) has no namespace.");
}
final String model = ruleSetNode.getModel();
if (model == null || "".equals(model)) {
addErrorMessage(process, node, errors, "RuleSet (DMN) has no model.");
}
} else {
addErrorMessage(process, node, errors, "Unsupported rule language '" + language + "'");
}
if (ruleSetNode.getTimers() != null) {
for (Timer timer : ruleSetNode.getTimers().keySet()) {
validateTimer(timer, node, process, errors);
}
}
} else if (node instanceof Split) {
final Split split = (Split) node;
if (split.getType() == Split.TYPE_UNDEFINED) {
addErrorMessage(process, node, errors, "Split has no type.");
}
if (split.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Split has no incoming connection.");
}
if (split.getDefaultOutgoingConnections().size() < 2) {
addErrorMessage(process, node, errors, "Split does not have more than one outgoing connection: " + split.getOutgoingConnections().size() + ".");
}
if (split.getType() == Split.TYPE_XOR || split.getType() == Split.TYPE_OR) {
for (final Iterator<Connection> it = split.getDefaultOutgoingConnections().iterator(); it.hasNext(); ) {
final Connection connection = it.next();
if (split.getConstraint(connection) == null && !split.isDefault(connection) || (!split.isDefault(connection) && (split.getConstraint(connection).getConstraint() == null || split.getConstraint(connection).getConstraint().trim().length() == 0))) {
addErrorMessage(process, node, errors, "Split does not have a constraint for " + connection.toString() + ".");
}
}
}
} else if (node instanceof Join) {
final Join join = (Join) node;
if (join.getType() == Join.TYPE_UNDEFINED) {
addErrorMessage(process, node, errors, "Join has no type.");
}
if (join.getDefaultIncomingConnections().size() < 2) {
addErrorMessage(process, node, errors, "Join does not have more than one incoming connection: " + join.getIncomingConnections().size() + ".");
}
if (join.getTo() == null && !acceptsNoOutgoingConnections(node)) {
addErrorMessage(process, node, errors, "Join has no outgoing connection.");
}
if (join.getType() == Join.TYPE_N_OF_M) {
String n = join.getN();
if (!n.startsWith("#{") || !n.endsWith("}")) {
try {
new Integer(n);
} catch (NumberFormatException e) {
addErrorMessage(process, node, errors, "Join has illegal n value: " + n);
}
}
}
} else if (node instanceof MilestoneNode) {
final MilestoneNode milestone = (MilestoneNode) node;
if (milestone.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Milestone has no incoming connection.");
}
if (milestone.getTo() == null && !acceptsNoOutgoingConnections(node)) {
addErrorMessage(process, node, errors, "Milestone has no outgoing connection.");
}
if (milestone.getConstraint() == null) {
addErrorMessage(process, node, errors, "Milestone has no constraint.");
}
if (milestone.getTimers() != null) {
for (Timer timer : milestone.getTimers().keySet()) {
validateTimer(timer, node, process, errors);
}
}
} else if (node instanceof StateNode) {
final StateNode stateNode = (StateNode) node;
if (stateNode.getDefaultIncomingConnections().size() == 0 && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "State has no incoming connection");
}
} else if (node instanceof SubProcessNode) {
final SubProcessNode subProcess = (SubProcessNode) node;
if (subProcess.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "SubProcess has no incoming connection.");
}
if (subProcess.getTo() == null && !acceptsNoOutgoingConnections(node)) {
Object compensationObj = subProcess.getMetaData(isForCompensation);
if (compensationObj == null || !((Boolean) compensationObj)) {
addErrorMessage(process, node, errors, "SubProcess has no outgoing connection.");
}
}
if (subProcess.getProcessId() == null && subProcess.getProcessName() == null) {
addErrorMessage(process, node, errors, "SubProcess has no process id.");
}
if (subProcess.getTimers() != null) {
for (Timer timer : subProcess.getTimers().keySet()) {
validateTimer(timer, node, process, errors);
}
}
if (!subProcess.isIndependent() && !subProcess.isWaitForCompletion()) {
addErrorMessage(process, node, errors, "SubProcess you can only set " + "independent to 'false' only when 'Wait for completion' is set to true.");
}
} else if (node instanceof ActionNode) {
final ActionNode actionNode = (ActionNode) node;
if (actionNode.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Action has no incoming connection.");
}
if (actionNode.getTo() == null && !acceptsNoOutgoingConnections(node)) {
Object compensationObj = actionNode.getMetaData(isForCompensation);
if (compensationObj == null || !((Boolean) compensationObj)) {
addErrorMessage(process, node, errors, "Action has no outgoing connection.");
}
}
if (actionNode.getAction() == null) {
addErrorMessage(process, node, errors, "Action has no action.");
} else if (actionNode.getAction() instanceof DroolsConsequenceAction) {
DroolsConsequenceAction droolsAction = (DroolsConsequenceAction) actionNode.getAction();
String actionString = droolsAction.getConsequence();
if (actionString == null) {
addErrorMessage(process, node, errors, "Action has empty action.");
} else if ("mvel".equals(droolsAction.getDialect())) {
try {
ParserContext parserContext = new ParserContext();
// parserContext.setStrictTypeEnforcement(true);
ExpressionCompiler compiler = new ExpressionCompiler(actionString, parserContext);
compiler.setVerifying(true);
compiler.compile();
List<ErrorDetail> mvelErrors = parserContext.getErrorList();
if (mvelErrors != null) {
for (Iterator<ErrorDetail> iterator = mvelErrors.iterator(); iterator.hasNext(); ) {
ErrorDetail error = iterator.next();
addErrorMessage(process, node, errors, "Action has invalid action: " + error.getMessage() + ".");
}
}
} catch (Throwable t) {
addErrorMessage(process, node, errors, "Action has invalid action: " + t.getMessage() + ".");
}
}
// TODO: validation for "java" and "drools" scripts!
validateCompensationIntermediateOrEndEvent(actionNode, process, errors);
}
} else if (node instanceof WorkItemNode) {
final WorkItemNode workItemNode = (WorkItemNode) node;
if (workItemNode.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Task has no incoming connection.");
}
if (workItemNode.getTo() == null && !acceptsNoOutgoingConnections(node)) {
Object compensationObj = workItemNode.getMetaData(isForCompensation);
if (compensationObj == null || !((Boolean) compensationObj)) {
addErrorMessage(process, node, errors, "Task has no outgoing connection.");
}
}
if (workItemNode.getWork() == null) {
addErrorMessage(process, node, errors, "Task has no work specified.");
} else {
Work work = workItemNode.getWork();
if (work.getName() == null || work.getName().trim().length() == 0) {
addErrorMessage(process, node, errors, "Task has no task type.");
}
}
if (workItemNode.getTimers() != null) {
for (Timer timer : workItemNode.getTimers().keySet()) {
validateTimer(timer, node, process, errors);
}
}
} else if (node instanceof ForEachNode) {
final ForEachNode forEachNode = (ForEachNode) node;
String variableName = forEachNode.getVariableName();
if (variableName == null || "".equals(variableName)) {
addErrorMessage(process, node, errors, "ForEach has no variable name");
}
String collectionExpression = forEachNode.getCollectionExpression();
if (collectionExpression == null || "".equals(collectionExpression)) {
addErrorMessage(process, node, errors, "ForEach has no collection expression");
}
if (forEachNode.getDefaultIncomingConnections().size() == 0 && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "ForEach has no incoming connection");
}
if (forEachNode.getDefaultOutgoingConnections().size() == 0 && !acceptsNoOutgoingConnections(node)) {
addErrorMessage(process, node, errors, "ForEach has no outgoing connection");
}
// TODO: check, if no linked connections, for start and end node(s)
// if (forEachNode.getLinkedIncomingNode(org.drools.workflow.core.Node.CONNECTION_DEFAULT_TYPE) == null) {
// errors.add(new ProcessValidationErrorImpl(process,
// "ForEach node '%s' [%d] has no linked start node"));
// }
// if (forEachNode.getLinkedOutgoingNode(org.drools.workflow.core.Node.CONNECTION_DEFAULT_TYPE) == null) {
// errors.add(new ProcessValidationErrorImpl(process,
// "ForEach node '%s' [%d] has no linked end node"));
// }
validateNodes(forEachNode.getNodes(), errors, process);
} else if (node instanceof DynamicNode) {
final DynamicNode dynamicNode = (DynamicNode) node;
if (dynamicNode.getDefaultIncomingConnections().size() == 0 && !acceptsNoIncomingConnections(dynamicNode)) {
addErrorMessage(process, node, errors, "Dynamic has no incoming connection");
}
if (dynamicNode.getDefaultOutgoingConnections().size() == 0 && !acceptsNoOutgoingConnections(dynamicNode)) {
addErrorMessage(process, node, errors, "Dynamic has no outgoing connection");
}
if ("".equals(dynamicNode.getCompletionExpression()) && !dynamicNode.isAutoComplete()) {
addErrorMessage(process, node, errors, "Dynamic has no completion condition set");
}
validateNodes(dynamicNode.getNodes(), errors, process);
} else if (node instanceof CompositeNode) {
final CompositeNode compositeNode = (CompositeNode) node;
for (Map.Entry<String, NodeAndType> inType : compositeNode.getLinkedIncomingNodes().entrySet()) {
if (compositeNode.getIncomingConnections(inType.getKey()).size() == 0 && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Composite has no incoming connection for type " + inType.getKey());
}
if (inType.getValue().getNode() == null && !acceptsNoOutgoingConnections(node)) {
addErrorMessage(process, node, errors, "Composite has invalid linked incoming node for type " + inType.getKey());
}
}
for (Map.Entry<String, NodeAndType> outType : compositeNode.getLinkedOutgoingNodes().entrySet()) {
if (compositeNode.getOutgoingConnections(outType.getKey()).size() == 0) {
addErrorMessage(process, node, errors, "Composite has no outgoing connection for type " + outType.getKey());
}
if (outType.getValue().getNode() == null) {
addErrorMessage(process, node, errors, "Composite has invalid linked outgoing node for type " + outType.getKey());
}
}
if (compositeNode instanceof EventSubProcessNode) {
if (compositeNode.getIncomingConnections().size() > 0) {
addErrorMessage(process, node, errors, "Event subprocess is not allowed to have any incoming connections.");
}
if (compositeNode.getOutgoingConnections().size() > 0) {
addErrorMessage(process, node, errors, "Event subprocess is not allowed to have any outgoing connections.");
}
Node[] eventSubProcessNodes = compositeNode.getNodes();
int startEventCount = 0;
for (int j = 0; j < eventSubProcessNodes.length; ++j) {
if (eventSubProcessNodes[j] instanceof StartNode) {
StartNode startNode = (StartNode) eventSubProcessNodes[j];
if (++startEventCount == 2) {
addErrorMessage(process, compositeNode, errors, "Event subprocess is not allowed to have more than one start node.");
}
if (startNode.getTriggers() == null || startNode.getTriggers().isEmpty()) {
addErrorMessage(process, startNode, errors, "Start in Event SubProcess '" + compositeNode.getName() + "' [" + compositeNode.getId() + "] must contain a trigger (event definition).");
}
}
}
} else {
Boolean isForCompensationObject = (Boolean) compositeNode.getMetaData("isForCompensation");
if (compositeNode.getIncomingConnections().size() == 0 && !Boolean.TRUE.equals(isForCompensationObject)) {
addErrorMessage(process, node, errors, "Embedded subprocess does not have incoming connection.");
}
if (compositeNode.getOutgoingConnections().size() == 0 && !Boolean.TRUE.equals(isForCompensationObject)) {
addErrorMessage(process, node, errors, "Embedded subprocess does not have outgoing connection.");
}
}
if (compositeNode.getTimers() != null) {
for (Timer timer : compositeNode.getTimers().keySet()) {
validateTimer(timer, node, process, errors);
}
}
validateNodes(compositeNode.getNodes(), errors, process);
} else if (node instanceof EventNode) {
final EventNode eventNode = (EventNode) node;
if (eventNode.getEventFilters().size() == 0) {
addErrorMessage(process, node, errors, "Event should specify an event type");
}
if (eventNode.getDefaultOutgoingConnections().size() == 0) {
addErrorMessage(process, node, errors, "Event has no outgoing connection");
} else {
List<EventFilter> eventFilters = eventNode.getEventFilters();
boolean compensationHandler = false;
for (EventFilter eventFilter : eventFilters) {
if (((EventTypeFilter) eventFilter).getType().startsWith("Compensation")) {
compensationHandler = true;
break;
}
}
if (compensationHandler && eventNode instanceof BoundaryEventNode) {
Connection connection = eventNode.getDefaultOutgoingConnections().get(0);
Boolean isAssociation = (Boolean) connection.getMetaData().get("association");
if (isAssociation == null) {
isAssociation = false;
}
if (!(eventNode.getDefaultOutgoingConnections().size() == 1 && connection != null && isAssociation)) {
addErrorMessage(process, node, errors, "Compensation Boundary Event is only allowed to have 1 association to 1 compensation activity.");
}
}
}
} else if (node instanceof FaultNode) {
final FaultNode faultNode = (FaultNode) node;
if (faultNode.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Fault has no incoming connection.");
}
if (faultNode.getFaultName() == null) {
addErrorMessage(process, node, errors, "Fault has no fault name.");
}
} else if (node instanceof TimerNode) {
TimerNode timerNode = (TimerNode) node;
if (timerNode.getFrom() == null && !acceptsNoIncomingConnections(node)) {
addErrorMessage(process, node, errors, "Timer has no incoming connection.");
}
if (timerNode.getTo() == null && !acceptsNoOutgoingConnections(node)) {
addErrorMessage(process, node, errors, "Timer has no outgoing connection.");
}
if (timerNode.getTimer() == null) {
addErrorMessage(process, node, errors, "Timer has no timer specified.");
} else {
validateTimer(timerNode.getTimer(), node, process, errors);
}
} else if (node instanceof CatchLinkNode) {
// catchlink validation here, there also are validations in
// ProcessHandler regarding connection issues
} else if (node instanceof ThrowLinkNode) {
// throw validation here, there also are validations in
// ProcessHandler regarding connection issues
} else {
errors.add(new ProcessValidationErrorImpl(process, "Unknown node type '" + node.getClass().getName() + "'"));
}
}
}
use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.
the class CompensationTest method createBoundaryEventCompensationHandler.
private void createBoundaryEventCompensationHandler(org.jbpm.workflow.core.NodeContainer nodeContainer, Node attachedToNode, final List<String> eventList, final String id) throws Exception {
NodeCreator<BoundaryEventNode> boundaryNodeCreator = new NodeCreator<BoundaryEventNode>(nodeContainer, BoundaryEventNode.class);
BoundaryEventNode boundaryNode = boundaryNodeCreator.createNode("boundary" + id);
String attachedTo = (String) attachedToNode.getMetaData().get("UniqueId");
boundaryNode.setMetaData("AttachedTo", attachedTo);
boundaryNode.setAttachedToNodeId(attachedTo);
EventTypeFilter eventFilter = new NonAcceptingEventTypeFilter();
eventFilter.setType("Compensation");
List<EventFilter> eventFilters = new ArrayList<EventFilter>();
boundaryNode.setEventFilters(eventFilters);
eventFilters.add(eventFilter);
addCompensationScope(boundaryNode, nodeContainer, attachedTo);
NodeCreator<ActionNode> actionNodeCreator = new NodeCreator<ActionNode>(nodeContainer, ActionNode.class);
ActionNode actionNode = actionNodeCreator.createNode("handlerAction" + id);
actionNode.setMetaData("isForCompensation", true);
actionNode.setName("Execute");
DroolsAction action = new DroolsConsequenceAction("java", null);
action.setMetaData("Action", new Action() {
public void execute(ProcessContext context) throws Exception {
eventList.add("action" + id);
}
});
actionNode.setAction(action);
connect(boundaryNode, actionNode);
}
use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.
the class BoundaryEventNodeInstance method signalEvent.
@Override
public void signalEvent(String type, Object event) {
BoundaryEventNode boundaryNode = (BoundaryEventNode) getEventNode();
String attachedTo = boundaryNode.getAttachedToNodeId();
Collection<NodeInstance> nodeInstances = ((NodeInstanceContainer) getNodeInstanceContainer()).getNodeInstances();
if (type != null && type.startsWith("Compensation")) {
// if not active && completed, signal
if (!isAttachedToNodeActive(nodeInstances, attachedTo, type, event) && isAttachedToNodeCompleted(attachedTo)) {
super.signalEvent(type, event);
} else {
cancel();
}
} else {
if (isAttachedToNodeActive(nodeInstances, attachedTo, type, event)) {
super.signalEvent(type, event);
} else {
cancel();
}
}
}
use of org.jbpm.workflow.core.node.BoundaryEventNode in project jbpm by kiegroup.
the class CompensationScopeInstance method handleException.
public void handleException(ExceptionHandler handler, String compensationActivityRef, Object dunno) {
WorkflowProcessInstanceImpl processInstance = (WorkflowProcessInstanceImpl) getProcessInstance();
NodeInstanceContainer nodeInstanceContainer = (NodeInstanceContainer) getContextInstanceContainer();
if (handler instanceof CompensationHandler) {
CompensationHandler compensationHandler = (CompensationHandler) handler;
try {
Node handlerNode = compensationHandler.getnode();
if (handlerNode instanceof BoundaryEventNode) {
NodeInstance compensationHandlerNodeInstance = nodeInstanceContainer.getNodeInstance(handlerNode);
compensationInstances.add(compensationHandlerNodeInstance);
// The BoundaryEventNodeInstance.signalEvent() contains the necessary logic
// to check whether or not compensation may proceed (? : (not-active + completed))
EventNodeInstance eventNodeInstance = (EventNodeInstance) compensationHandlerNodeInstance;
eventNodeInstance.signalEvent("Compensation", compensationActivityRef);
} else if (handlerNode instanceof EventSubProcessNode) {
// Check that subprocess parent has completed.
List<String> completedIds = processInstance.getCompletedNodeIds();
if (completedIds.contains(((NodeImpl) handlerNode.getNodeContainer()).getMetaData("UniqueId"))) {
NodeInstance subProcessNodeInstance = ((NodeInstanceContainer) nodeInstanceContainer).getNodeInstance((Node) handlerNode.getNodeContainer());
compensationInstances.add(subProcessNodeInstance);
NodeInstance compensationHandlerNodeInstance = ((NodeInstanceContainer) subProcessNodeInstance).getNodeInstance(handlerNode);
compensationInstances.add(compensationHandlerNodeInstance);
EventSubProcessNodeInstance eventNodeInstance = (EventSubProcessNodeInstance) compensationHandlerNodeInstance;
eventNodeInstance.signalEvent("Compensation", compensationActivityRef);
}
}
assert handlerNode instanceof BoundaryEventNode || handlerNode instanceof EventSubProcessNode : "Unexpected compensation handler node type : " + handlerNode.getClass().getSimpleName();
} catch (Exception e) {
throwWorkflowRuntimeException(nodeInstanceContainer, processInstance, "Unable to execute compensation.", e);
}
} else {
Exception e = new IllegalArgumentException("Unsupported compensation handler: " + handler);
throwWorkflowRuntimeException(nodeInstanceContainer, processInstance, e.getMessage(), e);
}
}
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