[Rock-dev] [rock] #366: syskit: depends_on with role specification fails with Roby::Task

[rock]

#366: syskit: depends_on with role specification fails with Roby::Task
--------------------+-----------------------------------
 Reporter:  thro02  |      Owner:  rock-dev-mailing-list
     Type:  defect  |     Status:  new
 Priority:  normal  |  Milestone:
Component:  base    |   Keywords:
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 Using the depends_on in an actionstate machine does not work, when wanting
 to associate the child to the task.

 Trying to use the child in the 'on :start' of the Ruby::Task fails with:
 Spacebot::Tasks::MapGeneration:0x91bc390{}[] has no child with the role
 'map_gen', actually, it has no child at all
 /home/sbot/dev/spacebot/tools/roby/lib/roby/relations/dependency.rb:116:in
 `child_from_role'
 /home/sbot/dev/spacebot/tools/roby/lib/roby/relations/dependency.rb:484:in
 `method_missing'
   /home/sbot/dev/spacebot/tools/roby/lib/roby/task.rb:911:in
 `method_missing'
   ./models/tasks/map_generation.rb:7:in `block in <class:MapGeneration>'

 Definitions below:

     action_state_machine 'navigate_to' do
         navigation = task navigation_def :target_x => target_x, :target_y
 => target_y
         traversability_map = task traversability_map_def

         map_regen = task ::Spacebot::Tasks::MapGeneration.new
         map_regen.depends_on(traversability_map, :role => 'map_gen')

      end


 class MapGeneration < Roby::Task
             terminates

             on :start do |event|
                 #tasks = Syskit.plan.find_task(GraphSlam::VelodyneSLAM)
                 if
 map_gen_child.map_source_child.slam_child.orocos_task.generateMap
                     Robot.info "Spacebot::Tasks::MapGeneration: map
 generation [succeeded]"
                     emit :success
                 else
                     Robot.warn "Spacebot::Tasks::MapGeneration: map
 generation [failed]"
                     emit :failed
                 end
             end
         end

-- 
Ticket URL: <https://rock.opendfki.de/ticket/366>
rock <https://rock.opendfki.de>
rock: the robot construction kit