[GitHub] incubator-griffin issue #444: Define griffin plain-vanilla hook.

[toyboxman]

Github user toyboxman commented on the issue:

    https://github.com/apache/incubator-griffin/pull/444
  
    It's long process of discussion and review, but we get a consensus finally 
and close this change.
    
    thanks guys @chemikadze @gavlyukovskiy @guoyuepeng 


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