johnyangk closed pull request #121: [NEMO-218] Throws exception while
processing non-keyed events in CreateViewTransform
URL: https://github.com/apache/incubator-nemo/pull/121
This is a PR merged from a forked repository.
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diff --git
a/compiler/frontend/beam/src/main/java/org/apache/nemo/compiler/frontend/beam/transform/CreateViewTransform.java
b/compiler/frontend/beam/src/main/java/org/apache/nemo/compiler/frontend/beam/transform/CreateViewTransform.java
index d4aa1951b..cd9329657 100644
---
a/compiler/frontend/beam/src/main/java/org/apache/nemo/compiler/frontend/beam/transform/CreateViewTransform.java
+++
b/compiler/frontend/beam/src/main/java/org/apache/nemo/compiler/frontend/beam/transform/CreateViewTransform.java
@@ -55,10 +55,8 @@ public void prepare(final Context context, final
OutputCollector<O> oc) {
@Override
public void onData(final I element) {
// Since CreateViewTransform takes KV(Void, value), this is okay
- if (element instanceof KV) {
- final KV<?, ?> kv = (KV<?, ?>) element;
- multiView.getDataList().add(kv.getValue());
- }
+ final KV<?, ?> kv = (KV<?, ?>) element; // It will throw a type cast
exception if the element is not KV
+ multiView.getDataList().add(kv.getValue());
}
@Override
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