Class PedestrianObjectReachabilityChecker

    • Constructor Detail

      • PedestrianObjectReachabilityChecker

        public PedestrianObjectReachabilityChecker​(ObjectWalk walk)
        New instance of the reachability checker using a existing walk.
        walk - ObjectWalk instance to reuse. Caller retains ownership.
    • Method Detail

      • areAllReachable

        public Optional<RevObject> areAllReachable​(Collection<RevObject> targets,
                                                   Stream<RevObject> starters)
                                            throws IOException
        Checks that all targets are reachable from the starters.
        Specified by:
        areAllReachable in interface ObjectReachabilityChecker
        targets - objects to check for reachability from the starters
        starters - objects known to be reachable to the caller
        Optional a single unreachable target if there are any (there could be more). Empty optional means all targets are reachable.
        IOException - Cannot access underlying storage