code: public OrdinalSet getConnectionSet(String nodeType, int ordinal, String propertyName) {
          return getConnectionSet(0, nodeType, ordinal, propertyName);
      }
docs: Retrieve an {@link OrdinalSet} over all connected ordinals, given the type and ordinal of the originating node, and the property by which this node is connected.
  
  @return an {@link OrdinalSet} over all connected ordinals