lpan commented on a change in pull request #3330: [STREAMCOMP-2885] broadcast
GCC completition
URL: https://github.com/apache/incubator-heron/pull/3330#discussion_r321457143
##########
File path: heron/instance/src/java/org/apache/heron/instance/IInstance.java
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@@ -57,6 +57,21 @@
*/
void clean();
+ /**
+ * Inform the Instance that the framework will clean, stop, and delete the
instance
+ * in order to restore its state to a previously-saved checkpoint.
+ *
+ * @param checkpointId the ID of the checkpoint the instance will be
restoring to
+ */
+ void preRestore(String checkpointId);
+
+ /**
+ * Inform the Instance that a particular checkpoint has become globally
consistent
+ *
+ * @param checkpointId the ID of the checkpoint that became globally
consistent
+ */
+ void onCheckpointSaved(String checkpointId);
Review comment:
Good point 👍 I will think about it
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