Package org.apache.hadoop.tools

Class RegexpInConfigurationFilter

java.lang.Object

org.apache.hadoop.tools.CopyFilter

org.apache.hadoop.tools.RegexpInConfigurationFilter

public class RegexpInConfigurationFilter
extends CopyFilter

Implementation of regex based filter for DistCp. DistCpConstants.CONF_LABEL_FILTERS_CLASS needs to be set in Configuration when launching a distcp job.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RegexpInConfigurationFilter(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method	Description
boolean	shouldCopy(org.apache.hadoop.fs.Path path)	Predicate to determine if a file can be excluded from copy.

Methods inherited from class org.apache.hadoop.tools.CopyFilter

getCopyFilter, initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexpInConfigurationFilter

protected RegexpInConfigurationFilter(org.apache.hadoop.conf.Configuration conf)

Method Detail

shouldCopy

public boolean shouldCopy(org.apache.hadoop.fs.Path path)

Description copied from class: CopyFilter

Predicate to determine if a file can be excluded from copy.

Specified by:

shouldCopy in class CopyFilter

Parameters:

path - a Path to be considered for copying

Returns:

boolean, true to copy, false to exclude