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
```
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
