# File lib/ruote/dashboard.rb, line 1237 def update_expression(fei, opts) fei = Ruote.extract_fei(fei) fexp = Ruote::Exp::FlowExpression::fetch(@context, fei) raise ArgumentError.new( "no expression found with fei #{fei.sid}" ) unless fexp if t = opts[:tree] fexp.h.updated_tree = opts[:tree] end r = @context.storage.put(fexp.h) raise ArgumentError.new( "expression #{fei.sid} is gone" ) if r == true return update_expression(fei, opts) unless r.nil? end