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From gauravgopi123 <...@git.apache.org>
Subject [GitHub] incubator-apex-core pull request: Checkpoint notification to notif...
Date Tue, 15 Dec 2015 22:21:53 GMT
Github user gauravgopi123 commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-core/pull/187#discussion_r47708357
  
    --- Diff: api/src/main/java/com/datatorrent/api/Operator.java ---
    @@ -270,4 +271,29 @@ public String toString()
     
       }
     
    +  /**
    +   * Operators that need to be notified about checkpoint events should implement this
interface.
    +   *
    +   * The notification callbacks in this interface are called outside window boundaries
so the operators should not
    +   * attempt to send any tuples in these callbacks.
    +   *
    +   */
    +  public static interface CheckpointNotificationListener extends CheckpointListener
    --- End diff --
    
    No need for 
    ```java
     public static
    ```


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