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remove unused variable #701

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remove unused variable #701

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4 changes: 1 addition & 3 deletions ...tforms/wayang-flink/src/main/java/org/apache/wayang/flink/channels/DataStreamChannel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,6 @@ public class Instance extends AbstractChannelInstance {

private DataStream<?> dataStream;

// TODO: this.size is currently always 0
private long size;

public Instance(final FlinkExecutor executor,
final OptimizationContext.OperatorContext producerOperatorContext,
Expand All @@ -59,7 +57,7 @@ public <T> DataStream<T> provideDataStream() {

@Override
public OptionalLong getMeasuredCardinality() {
return this.size == 0 ? super.getMeasuredCardinality() : OptionalLong.of(this.size);
return super.getMeasuredCardinality();
}

@Override
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