Github user budde commented on a diff in the pull request:
https://github.com/apache/spark/pull/17250#discussion_r105806378
--- Diff:
external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisDStream.scala
---
@@ -0,0 +1,559 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.streaming.kinesis
+
+import scala.reflect.ClassTag
+
+import
com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream
+import com.amazonaws.services.kinesis.model.Record
+
+import org.apache.spark.annotation.InterfaceStability
+import org.apache.spark.storage.StorageLevel
+import org.apache.spark.streaming.{Duration, StreamingContext}
+import org.apache.spark.streaming.api.java.JavaStreamingContext
+
+@InterfaceStability.Stable
+object KinesisDStream {
+ /**
+ * Builder for [[KinesisInputDStream]] instances.
+ *
+ * @param ssc StreamingContext to be used for creating DStreams
+ * @param streamName Name of Kinesis stream
+ * @param messageHandler Function for extracting DStream data type from
KCL Record
+ *
+ * @since 2.2.0
+ */
+ @InterfaceStability.Stable
+ class Builder[T: ClassTag](
--- End diff --
This is probably the first builder class I've implemented so I'll defer to
your judgment here :)
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