code: public static List<ExternalEvent> getPathExternalEvents(String bucket){
          if (myPathCache.get(bucket) != null)
              return myPathCache.get(bucket);
          else if (bucket.indexOf('/') > 0) {  // We could have a sub-path
              return getPathExternalEvents(bucket.substring(0, bucket.lastIndexOf('/')));
          }
          return null;
      }
docs: returns the cached path-based external event
  @param bucket
  @return Cached Item