org.apache.hadoop.tools

Class DistCpContext

java.lang.Object

org.apache.hadoop.tools.DistCpContext

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public class DistCpContext
extends Object

This is the context of the distcp at runtime. It has the immutable DistCpOptions and mutable runtime status.

Constructor Summary

Constructors

Constructor and Description
DistCpContext(DistCpOptions options)

Method Summary

Modifier and Type	Method and Description
void	appendToConf(org.apache.hadoop.conf.Configuration conf)
org.apache.hadoop.fs.Path	getAtomicWorkPath()
int	getBlocksPerChunk()
int	getCopyBufferSize()
String	getCopyStrategy()
String	getFiltersFile()
String	getFromSnapshot()
org.apache.hadoop.fs.Path	getLogPath()
float	getMapBandwidth()
int	getMaxMaps()
int	getNumListstatusThreads()
Set<DistCpOptions.FileAttribute>	getPreserveAttributes()
org.apache.hadoop.fs.Path	getSourceFileListing()
List<org.apache.hadoop.fs.Path>	getSourcePaths()
org.apache.hadoop.fs.Path	getTargetPath()
String	getToSnapshot()
boolean	isTargetPathExists()
void	setPreserveRawXattrs(boolean preserveRawXattrs)
void	setSourcePaths(List<org.apache.hadoop.fs.Path> sourcePaths)
void	setTargetPathExists(boolean targetPathExists)
boolean	shouldAppend()
boolean	shouldAtomicCommit()
boolean	shouldBlock()
boolean	shouldDeleteMissing()
boolean	shouldDirectWrite()
boolean	shouldIgnoreFailures()
boolean	shouldOverwrite()
boolean	shouldPreserve(DistCpOptions.FileAttribute attribute)
boolean	shouldPreserveRawXattrs()
boolean	shouldSkipCRC()
boolean	shouldSyncFolder()
boolean	shouldUseDiff()
boolean	shouldUseRdiff()
boolean	shouldUseSnapshotDiff()
boolean	splitLargeFile()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DistCpContext

public DistCpContext(DistCpOptions options)

Method Detail

setSourcePaths

public void setSourcePaths(List<org.apache.hadoop.fs.Path> sourcePaths)

getSourcePaths

public List<org.apache.hadoop.fs.Path> getSourcePaths()

Returns:

the sourcePaths. Please note this method does not directly delegate to the options.

getSourceFileListing

public org.apache.hadoop.fs.Path getSourceFileListing()

getTargetPath

public org.apache.hadoop.fs.Path getTargetPath()

shouldAtomicCommit

public boolean shouldAtomicCommit()

shouldSyncFolder

public boolean shouldSyncFolder()

shouldDeleteMissing

public boolean shouldDeleteMissing()

shouldIgnoreFailures

public boolean shouldIgnoreFailures()

shouldOverwrite

public boolean shouldOverwrite()

shouldAppend

public boolean shouldAppend()

shouldSkipCRC

public boolean shouldSkipCRC()

shouldBlock

public boolean shouldBlock()

shouldUseDiff

public boolean shouldUseDiff()

shouldUseRdiff

public boolean shouldUseRdiff()

shouldUseSnapshotDiff

public boolean shouldUseSnapshotDiff()

getFromSnapshot

public String getFromSnapshot()

getToSnapshot

public String getToSnapshot()

getFiltersFile

public final String getFiltersFile()

getNumListstatusThreads

public int getNumListstatusThreads()

getMaxMaps

public int getMaxMaps()

getMapBandwidth

public float getMapBandwidth()

getPreserveAttributes

public Set<DistCpOptions.FileAttribute> getPreserveAttributes()

shouldPreserve

public boolean shouldPreserve(DistCpOptions.FileAttribute attribute)

shouldPreserveRawXattrs

public boolean shouldPreserveRawXattrs()

setPreserveRawXattrs

public void setPreserveRawXattrs(boolean preserveRawXattrs)

getAtomicWorkPath

public org.apache.hadoop.fs.Path getAtomicWorkPath()

getLogPath

public org.apache.hadoop.fs.Path getLogPath()

getCopyStrategy

public String getCopyStrategy()

getBlocksPerChunk

public int getBlocksPerChunk()

splitLargeFile

public final boolean splitLargeFile()

getCopyBufferSize

public int getCopyBufferSize()

shouldDirectWrite

public boolean shouldDirectWrite()

setTargetPathExists

public void setTargetPathExists(boolean targetPathExists)

isTargetPathExists

public boolean isTargetPathExists()

appendToConf

public void appendToConf(org.apache.hadoop.conf.Configuration conf)

toString

public String toString()

Overrides:

toString in class Object