Yadong Qi created SPARK-4294:
--------------------------------
Summary: The same function should have the same realization.
Key: SPARK-4294
URL: https://issues.apache.org/jira/browse/SPARK-4294
Project: Spark
Issue Type: Improvement
Components: Streaming
Affects Versions: 1.1.0
Reporter: Yadong Qi
Priority: Minor
Fix For: 1.2.0
In class TransformedDStream:
require(parents.length > 0, "List of DStreams to transform is empty")
require(parents.map(_.ssc).distinct.size == 1, "Some of the DStreams have
different contexts")
require(parents.map(_.slideDuration).distinct.size == 1,
"Some of the DStreams have different slide durations")
In class UnionDStream:
if (parents.length == 0) {
throw new IllegalArgumentException("Empty array of parents")
}
if (parents.map(_.ssc).distinct.size > 1) {
throw new IllegalArgumentException("Array of parents have different
StreamingContexts")
}
if (parents.map(_.slideDuration).distinct.size > 1) {
throw new IllegalArgumentException("Array of parents have different slide
times")
}
The function is the same, but the realization is not. I think they shoule be
the same.
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