Package org.apache.hadoop.hbase.mapreduce

Class DefaultVisibilityExpressionResolver

java.lang.Object

org.apache.hadoop.hbase.mapreduce.DefaultVisibilityExpressionResolver

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, VisibilityExpressionResolver

@Private
public class DefaultVisibilityExpressionResolver
extends Object
implements VisibilityExpressionResolver

This implementation creates tags by expanding expression using label ordinal. Labels will be serialized in sorted order of it's ordinal.

Field Summary

Fields

Modifier and Type	Field	Description
private org.apache.hadoop.conf.Configuration	conf
private final Map<String,Integer>	labels
private static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
DefaultVisibilityExpressionResolver()

Method Summary

Modifier and Type	Method	Description
List<Tag>	createVisibilityExpTags(String visExpression)	Convert visibility expression into tags to be serialized.
org.apache.hadoop.conf.Configuration	getConf()
void	init()	Giving a chance for the initialization.
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

conf

private org.apache.hadoop.conf.Configuration conf

labels

private final Map<String,Integer> labels

Constructor Details

DefaultVisibilityExpressionResolver

public DefaultVisibilityExpressionResolver()

Method Details

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

setConf

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

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

init

public void init()

Description copied from interface: VisibilityExpressionResolver

Giving a chance for the initialization.

Specified by:

init in interface VisibilityExpressionResolver

createVisibilityExpTags

public List<Tag> createVisibilityExpTags(String visExpression)
                                  throws IOException

Description copied from interface: VisibilityExpressionResolver

Convert visibility expression into tags to be serialized.

Specified by:

createVisibilityExpTags in interface VisibilityExpressionResolver

Parameters:

visExpression - the label expression

Returns:

The list of tags corresponds to the visibility expression. These tags will be stored along with the Cells.

Throws:

IOException