Github user satishd commented on a diff in the pull request:
https://github.com/apache/storm/pull/900#discussion_r47595521
--- Diff: storm-core/src/jvm/backtype/storm/windowing/EvictionPolicy.java
---
@@ -39,4 +63,12 @@
* @param event the input event to be tracked
*/
void track(Event<T> event);
+
+ /**
+ * Sets a context in the eviction policy that can be used while
evicting the events.
+ * E.g. For TimeEvictionPolicy, this could be used to set the
reference timestamp.
+ *
+ * @param context
+ */
+ void setContext(Object context);
--- End diff --
May want to introduce class/interface EvictionPolicyContext which may have
opaque structure for now. This can be done later as this PR is waiting for long.
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