PipeControlPoint next = node.getNext();\r
PipeControlPoint prev = node.getPrevious();\r
if ((next != null && prev != null) && (\r
connected == null || \r
(connected.first == null && prev != null) ||\r
(connected.second == null && next != null) ||\r
PipeControlPoint next = node.getNext();\r
PipeControlPoint prev = node.getPrevious();\r
if ((next != null && prev != null) && (\r
connected == null || \r
(connected.first == null && prev != null) ||\r
(connected.second == null && next != null) ||\r