Github user nblintao commented on a diff in the pull request:
https://github.com/apache/spark/pull/13620#discussion_r66896310
--- Diff: core/src/main/scala/org/apache/spark/ui/jobs/AllJobsPage.scala ---
@@ -369,3 +361,246 @@ private[ui] class AllJobsPage(parent: JobsTab)
extends WebUIPage("") {
}
}
}
+
+private[ui] class JobTableRowData(
+ val jobData: JobUIData,
+ val lastStageName: String,
+ val lastStageDescription: String,
+ val duration: Long,
+ val formattedDuration: String,
+ val submissionTime: Long,
+ val formattedSubmissionTime: String,
+ val jobDescription: NodeSeq,
+ val detailUrl: String)
+
+private[ui] class JobDataSource(
+ jobs: Seq[JobUIData],
+ stageIdToInfo: HashMap[Int, StageInfo],
+ stageIdToData: HashMap[(Int, Int), StageUIData],
+ basePath: String,
+ currentTime: Long,
+ pageSize: Int,
+ sortColumn: String,
+ desc: Boolean) extends PagedDataSource[JobTableRowData](pageSize) {
+
+ // Convert JobUIData to JobTableRowData which contains the final
contents to show in the table
+ // so that we can avoid creating duplicate contents during sorting the
data
+ private val data = jobs.map(jobRow).sorted(ordering(sortColumn, desc))
+
+ private var _slicedJobIds: Set[Int] = null
+
+ override def dataSize: Int = data.size
+
+ override def sliceData(from: Int, to: Int): Seq[JobTableRowData] = {
+ val r = data.slice(from, to)
+ _slicedJobIds = r.map(_.jobData.jobId).toSet
+ r
+ }
+
+ def slicedJobIds: Set[Int] = _slicedJobIds
+
+ private def getLastStageNameAndDescription(job: JobUIData): (String,
String) = {
+ val lastStageInfo = Option(job.stageIds)
+ .filter(_.nonEmpty)
+ .flatMap { ids => stageIdToInfo.get(ids.max)}
+ val lastStageData = lastStageInfo.flatMap { s =>
+ stageIdToData.get((s.stageId, s.attemptId))
+ }
+ val name = lastStageInfo.map(_.name).getOrElse("(Unknown Stage Name)")
+ val description = lastStageData.flatMap(_.description).getOrElse("")
+ (name, description)
+ }
+
+ private def jobRow(jobData: JobUIData): JobTableRowData = {
+ val (lastStageName, lastStageDescription) =
getLastStageNameAndDescription(jobData)
+ val duration: Option[Long] = {
+ jobData.submissionTime.map { start =>
+ val end =
jobData.completionTime.getOrElse(System.currentTimeMillis())
+ end - start
+ }
+ }
+ val formattedDuration = duration.map(d =>
UIUtils.formatDuration(d)).getOrElse("Unknown")
+ val submissionTime = jobData.submissionTime
+ val formattedSubmissionTime =
submissionTime.map(UIUtils.formatDate).getOrElse("Unknown")
+ val jobDescription = UIUtils.makeDescription(lastStageDescription,
basePath, plainText = false)
+
+ val detailUrl = "%s/jobs/job?id=%s".format(basePath, jobData.jobId)
+
+ new JobTableRowData (
+ jobData,
+ lastStageName,
+ lastStageDescription,
+ duration.getOrElse(-1),
+ formattedDuration,
+ submissionTime.getOrElse(-1),
+ formattedSubmissionTime,
+ jobDescription,
+ detailUrl
+ )
+ }
+
+ /**
+ * Return Ordering according to sortColumn and desc
+ */
+ private def ordering(sortColumn: String, desc: Boolean):
Ordering[JobTableRowData] = {
+ val ordering = sortColumn match {
+ case "Job Id" | "Job Id (Job Group)" => new
Ordering[JobTableRowData] {
+ override def compare(x: JobTableRowData, y: JobTableRowData): Int =
+ Ordering.Int.compare(x.jobData.jobId, y.jobData.jobId)
+ }
+ case "Description" => new Ordering[JobTableRowData] {
+ override def compare(x: JobTableRowData, y: JobTableRowData): Int =
+ Ordering.String.compare(x.lastStageDescription,
y.lastStageDescription)
+ }
+ case "Submitted" => new Ordering[JobTableRowData] {
+ override def compare(x: JobTableRowData, y: JobTableRowData): Int =
+ Ordering.Long.compare(x.submissionTime, y.submissionTime)
+ }
+ case "Duration" => new Ordering[JobTableRowData] {
+ override def compare(x: JobTableRowData, y: JobTableRowData): Int =
+ Ordering.Long.compare(x.duration, y.duration)
+ }
+ case "Stages: Succeeded/Total" | "Tasks (for all stages):
Succeeded/Total" =>
+ throw new IllegalArgumentException(s"Unsortable column:
$sortColumn")
+ case unknownColumn => throw new IllegalArgumentException(s"Unknown
column: $unknownColumn")
+ }
+ if (desc) {
+ ordering.reverse
+ } else {
+ ordering
+ }
+ }
+
+}
+private[ui] class JobPagedTable(
+ data: Seq[JobUIData],
+ jobTag: String,
+ basePath: String,
+ // TODO: Should use StageID instead of Int below, but cannot resolve.
How?
+ stageIdToInfo: HashMap[Int, StageInfo],
+ stageIdToData: HashMap[(Int, Int), StageUIData],
+ currentTime: Long,
+ pageSize: Int,
+ sortColumn: String,
+ desc: Boolean
+ ) extends PagedTable[JobTableRowData] {
+
+ override def tableId: String = jobTag + "-table"
+
+ override def tableCssClass: String =
+ "table table-bordered table-condensed table-striped
table-head-clickable"
+
+ override def pageSizeFormField: String = jobTag + ".pageSize"
+
+ override def prevPageSizeFormField: String = jobTag + ".prevPageSize"
+
+ override def pageNumberFormField: String = jobTag + ".page"
+
+ override val dataSource = new JobDataSource(
+ data,
+ stageIdToInfo,
+ stageIdToData,
+ basePath,
+ currentTime,
+ pageSize,
+ sortColumn,
+ desc)
+
+ override def pageLink(page: Int): String = {
+ val encodedSortColumn = URLEncoder.encode(sortColumn, "UTF-8")
+ basePath +
+ s"?$pageNumberFormField=$page" +
+ s"&$jobTag.sort=$encodedSortColumn" +
+ s"&$jobTag.desc=$desc" +
+ s"&$pageSizeFormField=$pageSize"
+ }
+
+ override def goButtonFormPath: String = {
+ val encodedSortColumn = URLEncoder.encode(sortColumn, "UTF-8")
+ s"$basePath?$jobTag.sort=$encodedSortColumn&$jobTag.desc=$desc"
+ }
+
+ def headers: Seq[Node] = {
--- End diff --
It implements the `headers` in the trait `PagedTable`. Shall I add a notion
of `override` here to make it clear?
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