# File lib/ruote/dboard/process_status.rb, line 101 def root_expressions roots = @expressions.select { |e| e.h.parent_id == nil } roots = roots.each_with_object({}) { |e, h| h["#{e.h.fei['expid']}__#{e.h.fei['subid']}"] = e } roots.keys.sort.collect { |k| roots[k] } end