Github user squito commented on a diff in the pull request: https://github.com/apache/spark/pull/15237#discussion_r90548446 --- Diff: core/src/main/scala/org/apache/spark/scheduler/SchedulableBuilder.scala --- @@ -102,38 +105,55 @@ private[spark] class FairSchedulableBuilder(val rootPool: Pool, conf: SparkConf) for (poolNode <- (xml \\ POOLS_PROPERTY)) { val poolName = (poolNode \ POOL_NAME_PROPERTY).text - var schedulingMode = DEFAULT_SCHEDULING_MODE - var minShare = DEFAULT_MINIMUM_SHARE - var weight = DEFAULT_WEIGHT val xmlSchedulingMode = (poolNode \ SCHEDULING_MODE_PROPERTY).text - if (xmlSchedulingMode != "") { - try { - schedulingMode = SchedulingMode.withName(xmlSchedulingMode) - } catch { - case e: NoSuchElementException => - logWarning(s"Unsupported schedulingMode: $xmlSchedulingMode, " + - s"using the default schedulingMode: $schedulingMode") - } - } + val schedulingMode = getSchedulingModeValue(xmlSchedulingMode, DEFAULT_SCHEDULING_MODE) val xmlMinShare = (poolNode \ MINIMUM_SHARES_PROPERTY).text - if (xmlMinShare != "") { - minShare = xmlMinShare.toInt - } + val minShare = getIntValue(MINIMUM_SHARES_PROPERTY, xmlMinShare, DEFAULT_MINIMUM_SHARE) val xmlWeight = (poolNode \ WEIGHT_PROPERTY).text - if (xmlWeight != "") { - weight = xmlWeight.toInt - } + val weight = getIntValue(WEIGHT_PROPERTY, xmlWeight, DEFAULT_WEIGHT) + + rootPool.addSchedulable(new Pool(poolName, schedulingMode, minShare, weight)) - val pool = new Pool(poolName, schedulingMode, minShare, weight) - rootPool.addSchedulable(pool) logInfo("Created pool %s, schedulingMode: %s, minShare: %d, weight: %d".format( poolName, schedulingMode, minShare, weight)) } } + private def getSchedulingModeValue(data: String, defaultValue: SchedulingMode): SchedulingMode = { + if (StringUtils.isNotBlank(data) + && checkType(SchedulingMode.withName(data.toUpperCase)) + && SchedulingMode.withName(data.toUpperCase) != SchedulingMode.NONE) { + SchedulingMode.withName(data.toUpperCase) + } else { + logWarning(s"Unsupported schedulingMode: $data, using the default schedulingMode: " + + s"$defaultValue") + defaultValue + } + } + + private def getIntValue(propertyName: String, data: String, defaultValue: Int): Int = { + if (StringUtils.isNotBlank(data) && checkType(data.toInt)) { --- End diff -- after getting rid of `getSchedulingModeValue`, I'd also probably get rid of `checkType` and just directly inline the `try {...} catch { case NumberFormatException ...}` here.
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