org.apache.spark.util

Interface SparkFileUtils

All Superinterfaces:

org.apache.spark.internal.Logging

public interface SparkFileUtils
extends org.apache.spark.internal.Logging

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.spark.internal.Logging

org.apache.spark.internal.Logging.SparkShellLoggingFilter

Method Summary

Modifier and Type	Method and Description
boolean	createDirectory(java.io.File dir) Create a directory given the abstract pathname
java.io.File	createDirectory(String root, String namePrefix) Create a directory inside the given parent directory.
java.io.File	createTempDir() Create a temporary directory inside the java.io.tmpdir prefixed with spark.
java.io.File	createTempDir(String root, String namePrefix) Create a temporary directory inside the given parent directory.
void	deleteRecursively(java.io.File file) Delete a file or directory and its contents recursively.
java.io.File[]	recursiveList(java.io.File f) Lists files recursively.
java.net.URI	resolveURI(String path) Return a well-formed URI for the file described by a user input string.

Methods inherited from interface org.apache.spark.internal.Logging

$init$, initializeForcefully, initializeLogIfNecessary, initializeLogIfNecessary, initializeLogIfNecessary$default$2, initLock, isTraceEnabled, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning, org$apache$spark$internal$Logging$$log__$eq, org$apache$spark$internal$Logging$$log_, uninitialize

Method Detail

resolveURI

java.net.URI resolveURI(String path)

Return a well-formed URI for the file described by a user input string.

If the supplied path does not contain a scheme, or is a relative path, it will be converted into an absolute path with a file:// scheme.

Parameters:

path - (undocumented)

Returns:

(undocumented)

recursiveList

java.io.File[] recursiveList(java.io.File f)

Lists files recursively.

Parameters:

f - (undocumented)

Returns:

(undocumented)

createDirectory

boolean createDirectory(java.io.File dir)

Create a directory given the abstract pathname

Parameters:

dir - (undocumented)

Returns:

true, if the directory is successfully created; otherwise, return false.

createDirectory

java.io.File createDirectory(String root,
                             String namePrefix)

Create a directory inside the given parent directory. The directory is guaranteed to be newly created, and is not marked for automatic deletion.

Parameters:

root - (undocumented)

namePrefix - (undocumented)

Returns:

(undocumented)

createTempDir

java.io.File createTempDir()

Create a temporary directory inside the java.io.tmpdir prefixed with spark. The directory will be automatically deleted when the VM shuts down.

Returns:

(undocumented)

createTempDir

java.io.File createTempDir(String root,
                           String namePrefix)

Create a temporary directory inside the given parent directory. The directory will be automatically deleted when the VM shuts down.

Parameters:

root - (undocumented)

namePrefix - (undocumented)

Returns:

(undocumented)

deleteRecursively

void deleteRecursively(java.io.File file)

Delete a file or directory and its contents recursively. Don't follow directories if they are symlinks. Throws an exception if deletion is unsuccessful.

Parameters:

file - (undocumented)