Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/804#discussion_r31913451
--- Diff:
flink-staging/flink-streaming/flink-streaming-core/src/main/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.java
---
@@ -412,7 +412,7 @@ public void registerType(Class<?> type) {
if (from > to) {
throw new IllegalArgumentException("Start of sequence
must not be greater than the end");
}
- return fromCollection(new NumberSequenceIterator(from, to),
BasicTypeInfo.LONG_TYPE_INFO, "Sequence Source");
+ return addSource(new StatefulSequenceSource(from, to),
"Sequence Source").setParallelism(1);
}
--- End diff --
We discussed this quickly and came to the solution that we remove method
generateParallelSequence from the StreamExecutionEnvironment since the batch
API also only has generateSequence which can be used for "parallelism 1"
sources and parallel sources.
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