[GitHub] [shardingsphere] csonezp edited a comment on issue #15051: Add unit test for InstanceContext

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csonezp edited a comment on issue #15051:
URL: https://github.com/apache/shardingsphere/issues/15051#issuecomment-1023888707


   @menghaoranss 
   
   Hi，i have some doubts after reading the code.
   
   InstanceContext#switchInstanceState:
   
   ```    
   private void switchInstanceState(final Collection<String> status) {
           state.switchState(StateType.CIRCUIT_BREAK, null != status && status.contains(StateType.CIRCUIT_BREAK.name()));
       }
   ```
   
   The effect of these codes is to put CIRCUIT_BREAK into StateContext#currentState when the `status` is contain CIRCUIT_BREAK, or run currentState.pop() when `status` not contain CIRCUIT_BREAK.
   
   Does InstanceContext only pay attention to the state of CIRCUIT_BREAK ?  
   
   When will method switchInstanceState be called ?
   
   Thanks !
   
   
   


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