Github user arunmahadevan commented on a diff in the pull request:
https://github.com/apache/storm/pull/1453#discussion_r65573427
--- Diff:
storm-core/src/jvm/org/apache/storm/topology/base/BaseWindowedBolt.java ---
@@ -255,6 +255,22 @@ public BaseWindowedBolt withTimestampField(String
fieldName) {
}
/**
+ * Specify a stream id on which late tuples are going to be emitted.
When using this method,
+ * {@link Config#TOPOLOGY_BOLTS_TUPLE_TIMESTAMP_FIELD_NAME} should be
defined on a per component basis before
+ * calling this method, otherwise {@link IllegalArgumentException}
will be thrown.
+ *
+ * @param streamId the name of the stream used to emit late tuples on
+ */
+ public BaseWindowedBolt withLateTupleStream(String streamId) {
+ if
(!windowConfiguration.containsKey(Config.TOPOLOGY_BOLTS_TUPLE_TIMESTAMP_FIELD_NAME))
{
--- End diff --
On re-thinking, can this validation be moved to `initWindowManager` or
`validate` so that we don't impose an ordering in the builder?
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