Package org.apache.hadoop.tools

Class DistCpContext

java.lang.Object

org.apache.hadoop.tools.DistCpContext

@Private
@Evolving
public class DistCpContext
extends java.lang.Object

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

Constructor Summary

Constructors

Constructor	Description
DistCpContext(DistCpOptions options)

Method Summary

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

getSourcePaths

public java.util.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()

shouldListingCheck

public boolean shouldListingCheck()

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 java.lang.String getFromSnapshot()

getToSnapshot

public java.lang.String getToSnapshot()

getFiltersFile

public final java.lang.String getFiltersFile()

getNumListstatusThreads

public int getNumListstatusThreads()

getMaxMaps

public int getMaxMaps()

getMapBandwidth

public float getMapBandwidth()

getPreserveAttributes

public java.util.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 java.lang.String getCopyStrategy()

getBlocksPerChunk

public int getBlocksPerChunk()

shouldUseIterator

public boolean shouldUseIterator()

shouldUpdateRoot

public boolean shouldUpdateRoot()

splitLargeFile

public final boolean splitLargeFile()

getCopyBufferSize

public int getCopyBufferSize()

shouldDirectWrite

public boolean shouldDirectWrite()

setTargetPathExists

public void setTargetPathExists(boolean targetPathExists)

isTargetPathExists

public boolean isTargetPathExists()

shouldKeepLinks

public final boolean shouldKeepLinks()

appendToConf

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object