private String determineFutureNodeName(
     RouteNode node, MovePoint movePoint, int currentStep, Set nodesProcessed)
     throws InvalidActionTakenException {
   if (nodesProcessed.contains(node.getRouteNodeId())) {
     throw new InvalidActionTakenException(
         "Detected a cycle at node "
             + node.getRouteNodeName()
             + " when attempting to move document.");
   }
   nodesProcessed.add(node.getRouteNodeId());
   if (currentStep == movePoint.getStepsToMove()) {
     return node.getRouteNodeName();
   }
   List nextNodes = node.getNextNodes();
   if (nextNodes.size() == 0) {
     throw new InvalidActionTakenException(
         "Could not proceed forward, there are no more nodes in the route.  Halted on step "
             + currentStep);
   }
   if (nextNodes.size() != 1) {
     throw new InvalidActionTakenException(
         "Cannot move forward in a multi-branch path.  Located "
             + nextNodes.size()
             + " branches.  Halted on step "
             + currentStep);
   }
   return determineFutureNodeName(
       (RouteNode) nextNodes.get(0), movePoint, currentStep + 1, nodesProcessed);
 }
Ejemplo n.º 2
0
 @Override
 public List<String> getNextNodeIds() {
   List<String> nextNodeIds = new ArrayList<String>();
   if (nextNodeIds != null) {
     for (RouteNode nextNode : nextNodes) {
       nextNodeIds.add(nextNode.getRouteNodeId().toString());
     }
   }
   return nextNodeIds;
 }
Ejemplo n.º 3
0
 @Override
 public List<String> getPreviousNodeIds() {
   List<String> previousNodeIds = new ArrayList<String>();
   if (previousNodes != null) {
     for (RouteNode previousNode : previousNodes) {
       previousNodeIds.add(previousNode.getRouteNodeId().toString());
     }
   }
   return previousNodeIds;
 }