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1.  final def !=(arg0: Any): Boolean

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2.  final def ##(): Int

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3.  final def ==(arg0: Any): Boolean

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4.  final def asInstanceOf[T0]: T0

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5.  def backupFiles(fs: FileSystem)(filesToBackup: Seq[Path], backupParentDir: Path, dataPath: Path): Try[Path]

   Create a new directory inside backupParentDir, called "backup_{randomUUID}".

   Create a new directory inside backupParentDir, called "backup_{randomUUID}". Each of the files inside filesToBackup will be copied in this directory, also maintaining the eventual HDFS partitioning. The new file path is created by removing the base directory (that is dataPath) from the file path, and replacing it with the path of the backup directory. Example: filesToBackup = ["/user/data/p1=a/p2=b/file.parquet"] backupParentDir = "/user" dataPath = "/user/data"

   • This function creates: backupDir = "/user/backup_123'
   • then it copies the file into this directory, replacing the prefix "/user/data" with "/user/backup_123": "/user/backup_123/p1=a/p2=b/file.parquet"

   filesToBackup

   Files that should be copied in the backup directory

   backupParentDir

   Base path where to create the backup directory

   dataPath

   Path containing the data that will be backup

   returns

   Path of the newly created backup directory

6.  def clone(): AnyRef

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7.  def deletePath(fs: FileSystem)(sourcePath: Path): Try[Unit]
8.  final def eq(arg0: AnyRef): Boolean

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9.  def equals(arg0: Any): Boolean

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10.  def finalize(): Unit

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11.  def findPartitionColumns(uri: String): List[(String, String)]
12.  def foldIterator[T, B](iterator: RemoteIterator[T], acc: Try[B])(f: (B, T) ⇒ B)(exitPath: (B) ⇒ Boolean): Try[B]
13.  final def getClass(): Class[_]

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14.  def getRawModelPathToToLoad(rawModel: RawModel, sc: SparkContext): String
15.  def getRawModelPathToWrite(rawModel: RawModel): String
16.  def hashCode(): Int

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17.  final def isInstanceOf[T0]: Boolean

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18.  val logger: WaspLogger

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19.  final def ne(arg0: AnyRef): Boolean

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20.  final def notify(): Unit

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21.  final def notifyAll(): Unit

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22.  def readRawModel(rawModel: RawModel, spark: SparkSession): Try[DataFrame]
23.  def replacePathPrefix(filePath: Path, prefixPathToChange: Path, newPrefix: Path): Path
24.  final def synchronized[T0](arg0: ⇒ T0): T0

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25.  def toString(): String

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26.  final def wait(): Unit

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27.  final def wait(arg0: Long, arg1: Int): Unit

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28.  final def wait(arg0: Long): Unit

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29.  def writeRawModel(rawModel: RawModel, df: DataFrame): Try[Unit]