Cascade CTimestampBehavior

Hi, I have this DB schema:




                                    +-------------+

                                    | Flyer       |

                                    |-------------|

             +----------------------->+id         |

             |                      |             |

             |  +-------------+     | +createTime |

             +--+ Page        |     | +updateTime |

                |-------------|     |             |

             +--->+id         |     +-------------+

             |  |             |

             |  | +createTime |

             |  | +updateTime |

             |  +-------------+

             |                  +-------------+

             +------------------+ Widget      |

                                |-------------|

                                | +id         |

                                |             |

                                | +createTime |

                                | +updateTime |

                                +-------------+



I got CTimestampBehavior attached to every Model. When I save() widget, its DB record get new timestamp on updateTime nicely. But I want to propagate this also to parents. Is it possible?