Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/2765#discussion_r25684896
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaStreamingContext.scala
---
@@ -293,6 +302,34 @@ class JavaStreamingContext(val ssc: StreamingContext)
extends Closeable {
* for new files and reads them using the given key-value types and
input format.
* Files must be written to the monitored directory by "moving" them
from another
* location within the same file system. File names starting with . are
ignored.
+ * It can also monitor files in subdirectories by setting the optional
`depth`
+ * parameter to a value greater than 1.
+ * @param directory HDFS directory to monitor for new file
+ * @param depth Searching depth of HDFS directory
+ * @param kClass class of key for reading HDFS file
+ * @param vClass class of value for reading HDFS file
+ * @param fClass class of input format for reading HDFS file
+ * @tparam K Key type for reading HDFS file
+ * @tparam V Value type for reading HDFS file
+ * @tparam F Input format for reading HDFS file
+ */
+ def fileStream[K, V, F <: NewInputFormat[K, V]](
+ directory: String,
+ depth: Int,
--- End diff --
This looks out of order, but, I question the need for this overload anyway.
Maybe @tdas has an opinion. I'd like to keep the scope of this change much more
limited to adding a depth param to 1 version of each method (maybe 2 if it
really made sense) in each language.
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