Module: Roby::TaskStructure::ExecutionAgentStart Private

Defined in:
lib/roby/task_structure/executed_by.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

This module is hooked in Roby::TaskEventGenerator to check that a task which is being started has a suitable execution agent, and to start it if it’s not the case

Defined Under Namespace

Modules: Installer

Instance Method Summary collapse

Instance Method Details

#calling(context) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/roby/task_structure/executed_by.rb', line 240

def calling(context)
    super

    agent = task.execution_agent
    return if agent&.ready?

    if agent
        raise ExecutionAgentNotReady.new(task),
              "cannot start #{task}, its agent is not ready"
    elsif task.model.execution_agent
        raise MissingRequiredExecutionAgent.new(task),
              "the model of #{task} requires an execution agent, "\
              "but the task has none"
    end
end