on constructWriterManager  
  return(createManager(#writer_manager, getClassVariable("writer.manager.class")))
end

on deconstructWriterManager  
  return(removeManager(#writer_manager))
end

on getWriterManager  
  tMgr = getObjectManager()
  if not tMgr.managerExists(#writer_manager) then
    return(constructWriterManager())
  end if
  return(tMgr.getManager(#writer_manager))
end

on createWriter tID, tMetrics 
  return(getWriterManager().create(tID, tMetrics))
end

on removeWriter tID 
  return(getWriterManager().Remove(tID))
end

on getWriter tID, tDefault 
  return(getWriterManager().GET(tID, tDefault))
end

on writerExists tID 
  return(getWriterManager().exists(tID))
end

on printWriters  
  return(getWriterManager().print())
end