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[SPARK-3271] delete unused methods in Utils

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delete no used method in Utils

Author: scwf <wangfei1@huawei.com>

Closes #2160 from scwf/delete-no-use-method and squashes the following commits:

d8f6b0d [scwf] delete no use method in Utils
This commit is contained in:
scwf 2014-08-27 19:44:26 -07:00 committed by Matei Zaharia
parent 64d8ecbbe9
commit b86277c132
1 changed files with 0 additions and 37 deletions
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37
core/src/main/scala/org/apache/spark/util/Utils.scala
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@ -52,11 +52,6 @@ private[spark] case class CallSite(shortForm: String, longForm: String)
private[spark] object Utils extends Logging {
val random = new Random()
def sparkBin(sparkHome: String, which: String): File = {
val suffix = if (isWindows) ".cmd" else ""
new File(sparkHome + File.separator + "bin", which + suffix)
}
/** Serialize an object using Java serialization */
def serialize[T](o: T): Array[Byte] = {
val bos = new ByteArrayOutputStream()
@ -162,30 +157,6 @@ private[spark] object Utils extends Logging {
}
}
def isAlpha(c: Char): Boolean = {
(c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')
}
/** Split a string into words at non-alphabetic characters */
def splitWords(s: String): Seq[String] = {
val buf = new ArrayBuffer[String]
var i = 0
while (i < s.length) {
var j = i
while (j < s.length && isAlpha(s.charAt(j))) {
j += 1
}
if (j > i) {
buf += s.substring(i, j)
}
i = j
while (i < s.length && !isAlpha(s.charAt(i))) {
i += 1
}
}
buf
}
private val shutdownDeletePaths = new scala.collection.mutable.HashSet[String]()
private val shutdownDeleteTachyonPaths = new scala.collection.mutable.HashSet[String]()
@ -830,14 +801,6 @@ private[spark] object Utils extends Logging {
}
}
/**
* Execute a command in the current working directory, throwing an exception if it completes
* with an exit code other than 0.
*/
def execute(command: Seq[String]) {
execute(command, new File("."))
}
/**
* Execute a command and get its output, throwing an exception if it yields a code other than 0.
*/