Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5236#discussion_r27440829
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -1010,6 +1010,65 @@ private[spark] object Utils extends Logging {
)
}
+ /** Check whether a time-suffix was provided for the time string. */
+ private def hasTimeSuffix(str: String) : Boolean = {
+ val lower = str.toLowerCase.trim()
+ lower.endsWith("ms") || lower.endsWith("us") || lower.endsWith("s")
+ }
+
+ val timeError = "Time must be specified as seconds (s), " +
+ "milliseconds (ms), or microseconds (us) e.g. 50s, 100ms, or 250us."
+
+ /**
+ * Convert a passed time string (e.g. 50s, 100ms, or 250us) to a
microsecond count for
+ * internal use. If no suffix is provided a direct conversion is
attempted.
+ */
+ @throws(classOf[NumberFormatException])
+ private def timeStringToUs(str: String) : Long = {
+ try {
+ val lower = str.toLowerCase.trim()
+ if (lower.endsWith("ms")) {
+ lower.substring(0, lower.length - 2).toLong * 1000
+ } else if (lower.endsWith("us")) {
+ lower.substring(0, lower.length - 2).toLong
+ } else if (lower.endsWith("s")) {
+ lower.substring(0, lower.length - 1).toLong * 1000 * 1000
+ } else {
+ // Invalid suffix, force correct formatting
--- End diff --
Not really "invalid suffix", right? This is just handling the case where a
suffix is not expected. If there is an invalid suffix, then an exception will
be thrown.
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