adds the specified layer above the currently uppermost layer . concode_field_sep LinkedList<Layer> stack concode_field_sep void receiveEmptyMessage concode_elem_sep void setLowerLayer concode_elem_sep void receiveResponse concode_elem_sep void setUpperLayer concode_elem_sep void receiveRequest concode_elem_sep void sendEmptyMessage concode_elem_sep List<Layer> create concode_elem_sep List<Layer> create concode_elem_sep void sendResponse concode_elem_sep void sendRequest concode_elem_sep void setExecutor
BottomUpBuilder function ( Layer arg0 ) { stack . getLast ( ) . setUpperLayer ( arg0 ) ; return this ; }