jackylk commented on a change in pull request #3798:
URL: https://github.com/apache/carbondata/pull/3798#discussion_r446609223
##########
File path:
integration/spark/src/main/scala/org/apache/carbondata/api/CarbonStore.scala
##########
@@ -63,13 +68,101 @@ object CarbonStore {
}
if (limit.isDefined) {
- val lim = Integer.parseInt(limit.get)
- segmentsMetadataDetails.slice(0, lim)
+ segmentsMetadataDetails.slice(0, limit.get)
} else {
segmentsMetadataDetails
}
}
+ /**
+ * Read stage files and return input files
+ */
+ def readStages(
+ tablePath: String,
+ configuration: Configuration): Seq[StageInput] = {
+ val stageFiles = listStageFiles(
+ CarbonTablePath.getStageDir(tablePath), configuration)
+ var output = Collections.synchronizedList(new util.ArrayList[StageInput]())
+ output.addAll(readStageInput(stageFiles._1,
+ StageInput.StageStatus.Unload).asJavaCollection)
+ output.addAll(readStageInput(stageFiles._2,
+ StageInput.StageStatus.Loading).asJavaCollection)
+ Collections.sort(output, new Comparator[StageInput]() {
+ def compare(stageInput1: StageInput, stageInput2: StageInput): Int = {
+ (stageInput2.getCreateTime - stageInput1.getCreateTime).intValue()
+ }
+ })
+ output.asScala
+ }
+
+ /**
+ * Read stage files and return input files
+ */
+ def readStageInput(
+ stageFiles: Seq[CarbonFile],
+ status: StageInput.StageStatus): Seq[StageInput] = {
+ val gson = new Gson()
+ val output = Collections.synchronizedList(new util.ArrayList[StageInput]())
+ stageFiles.map { stage =>
+ val filePath = stage.getAbsolutePath
+ val stream = FileFactory.getDataInputStream(filePath)
+ try {
+ val stageInput = gson.fromJson(new InputStreamReader(stream),
classOf[StageInput])
+ stageInput.setCreateTime(stage.getLastModifiedTime)
+ stageInput.setStatus(status)
+ output.add(stageInput)
+ } finally {
+ stream.close()
+ }
+ }
+ output.asScala
+ }
+
+ /*
+ * Collect all stage files and matched success files.
+ * A stage file without success file will not be collected
+ */
+ def listStageFiles(
Review comment:
It seems this it is only for test, can you add it to test folder instead
of adding new API?
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