Method: Roby::Application#action_from_name

Defined in:
lib/roby/app.rb

#action_from_name(name) ⇒ Actions::Models::Action

Finds the action matching the given name

Unlike #find_action_from_name, it raises if no matching action has been found

Returns:

Raises:

  • (ActionResolutionError) —

    if either none or more than one action interface provide an action with this name



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# File 'lib/roby/app.rb', line 3144

def action_from_name(name)
    action = find_action_from_name(name)
    unless action
        available_actions = planners.map do |planner_model|
            planner_model.each_action.map(&:name)
        end.flatten
        if available_actions.empty?
            raise ActionResolutionError,
                  "cannot find an action named #{name}, "\
                  "there are no actions defined"
        else
            raise ActionResolutionError,
                  "cannot find an action named #{name}, "\
                  "available actions are: #{available_actions.sort.join(', ')}"
        end
    end
    action
end