taegeonum commented on a change in pull request #159: [NEMO-216,251,259]
Support side inputs and windowing
URL: https://github.com/apache/incubator-nemo/pull/159#discussion_r235249217
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File path:
runtime/executor/src/main/java/org/apache/nemo/runtime/executor/task/SourceVertexDataFetcher.java
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@@ -104,6 +104,7 @@ private boolean isWatermarkTriggerTime() {
private Object retrieveElement() throws NoSuchElementException, IOException {
// Emit watermark
if (!bounded && isWatermarkTriggerTime()) {
+ // index=0 as there is only 1 input stream
Review comment:
please remove this comment
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