[GitHub] [shardingsphere] SirMin commented on issue #6342: Why does HintManager's getInstance return a new HintManager instead of returning the one held by the current thread

[GitBox <gi...@apache.org>]

SirMin commented on issue #6342:
URL: https://github.com/apache/shardingsphere/issues/6342#issuecomment-657987672


   ```
   public static HintManager getInstance() {
           Preconditions.checkState(null == HINT_MANAGER_HOLDER.get(), "Hint has previous value, please clear first.");
           HintManager result = new HintManager();
           HINT_MANAGER_HOLDER.set(result);
           return result;
       }
   ```
   I want to set masterRouteOnly in Custom annotation and  setDatabaseShardingValue in business code, But HintManager's getInstance return new everytime.
   So i want to know why this is done.


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