Hi,
I have a quick serialization issue. I'm trying to read a date range of input
files and I'm getting a serialization issue when using an input path that
has a object generate a date range. Specifically, my code uses
DateTimeFormat in the Joda time package, which is not serializable. How do I
get spark to not lazily compute the input path and run into the
serialization issue?
Code:
object Range {
val now = new DateTime
val dateFormatter = DateTimeFormat.forPattern("MMddyyyy")
def dateRange(from: DateTime, to: DateTime, step: Period):
Iterator[DateTime] =
Iterator.iterate(from)(_.plus(step)).takeWhile(!_.isAfter(to))
def getRange: String = {
dateRange(now.minusDays(22), now,
Period.days(1)).map(dateFormatter.print(_)).mkString(",")
}
}
val notWorking = "path/output_{" + Range.getRange +"}/*/*"
val working =
"path/output_{08121914,08132014,08142014,08152014,08162014,08172014,08182014,08192014,08202014,08212014,08222014,08232014,08242014,08252014,08262014,08272014,08282014,08292014,08302014,08312014,09012014,09022014,09032014,09042014}/*/*"
val lines = sc.textFile(working).count
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