object HDFSUtil
HDFS helper routines
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def
copyFile(from: String, to: String)(implicit spark: SparkSession): Unit
Copy a file from one path to another
- def deleteRecursive(location: String)(implicit spark: SparkSession): Unit
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def
fileExists(path: String)(implicit spark: SparkSession): Boolean
Does the file exist in HDFS?
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def
findFiles(path: String, extension: String)(implicit spark: SparkSession): List[String]
Recursively get file names with a given extension in a directory
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getClass(): Class[_]
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def
getInputStream(location: String)(implicit spark: SparkSession): FSDataInputStream
Obtain an input stream for an HDFS location
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def
getPrintWriter(location: String)(implicit spark: SparkSession): PrintWriter
Obtain a PrintWriter for an HDFS location, creating or overwriting a file
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def
getSource(location: String)(implicit spark: SparkSession): Source
Obtain a Source for an HDFS location
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hashCode(): Int
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isAbsolutePath(path: String): Boolean
Is the path absolute?
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isInstanceOf[T0]: Boolean
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makeQualified(path: String)(implicit spark: SparkSession): String
Qualify the path (e.g.
Qualify the path (e.g. make it absolute if it is relative)
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notify(): Unit
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notifyAll(): Unit
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def
readProperties(location: String)(implicit spark: SparkSession): Properties
Read a properties object from a HDFS location
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def
subdirectories(path: String)(implicit spark: SparkSession): List[String]
Get all subdirectories of a directory
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toString(): String
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def
usingWriter(location: String, writeFun: (PrintWriter) ⇒ Unit)(implicit spark: SparkSession): Unit
Create a PrintWriter, use it to write output, then close it safely.
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def
wait(arg0: Long, arg1: Int): Unit
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wait(arg0: Long): Unit
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def
writeProperties(location: String, data: Properties, comment: String)(implicit spark: SparkSession): Unit
Write a properties object to a HDFS location
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def
writeTextFile(location: String, data: String)(implicit spark: SparkSession): Unit
Write a text file to a HDFS location
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def
writeTextLines(location: String, lines: Iterator[String])(implicit spark: SparkSession): Unit
Write lines of text to a HDFS location
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