tysonjh commented on a change in pull request #12915:
URL: https://github.com/apache/beam/pull/12915#discussion_r516908263
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File path:
sdks/java/extensions/join-library/src/main/java/org/apache/beam/sdk/extensions/joinlibrary/Join.java
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@@ -350,6 +368,255 @@ public void processElement(ProcessContext c) {
return leftCollection.apply(name, InnerJoin.with(rightCollection));
}
+ /**
+ * PTransform representing a temporal inner join of PCollection<KV>s.
+ *
+ * @param <K> Type of the key for both collections.
+ * @param <V1> Type of the values for the left collection.
+ * @param <V2> Type of the values for the right collection.
+ */
+ public static class TemporalInnerJoin<K, V1, V2>
Review comment:
OK. I'm open to ideas. Since event time is important to this join and it
has a scoped duration (without using the word window):
EventTimeLimitedDurationInnerJoin
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