Package io.hgraphdb.mapreduce.index

Class DropIndex

java.lang.Object

org.apache.hadoop.conf.Configured

io.hgraphdb.mapreduce.index.IndexTool

io.hgraphdb.mapreduce.index.DropIndex

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class DropIndex
extends IndexTool

An MR job to drop an index.

Constructor Summary

Constructors

Constructor	Description
DropIndex()

Method Summary

Modifier and Type	Method	Description
protected void	cleanup(HBaseGraph graph, IndexMetadata index)
protected Class<? extends org.apache.hadoop.mapreduce.Mapper>	getBulkMapperClass()
protected Class<? extends org.apache.hadoop.mapreduce.Mapper>	getDirectMapperClass()
protected Class<? extends org.apache.hadoop.mapreduce.Reducer>	getDirectReducerClass()
protected org.apache.hadoop.hbase.client.Scan	getInputScan(HBaseGraph graph, IndexMetadata index)
protected org.apache.hadoop.hbase.TableName	getInputTableName(HBaseGraph graph, IndexMetadata index)
protected org.apache.hadoop.hbase.TableName	getOutputTableName(HBaseGraph graph, IndexMetadata index)
static void	main(String[] args)
protected void	setup(HBaseGraph graph, IndexMetadata index)

Methods inherited from class io.hgraphdb.mapreduce.index.IndexTool

run

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

DropIndex

public DropIndex()

Method Detail

setup

protected void setup(HBaseGraph graph,
                     IndexMetadata index)

Specified by:

setup in class IndexTool

cleanup

protected void cleanup(HBaseGraph graph,
                       IndexMetadata index)

Specified by:

cleanup in class IndexTool

getDirectMapperClass

protected Class<? extends org.apache.hadoop.mapreduce.Mapper> getDirectMapperClass()

Specified by:

getDirectMapperClass in class IndexTool

getDirectReducerClass

protected Class<? extends org.apache.hadoop.mapreduce.Reducer> getDirectReducerClass()

Specified by:

getDirectReducerClass in class IndexTool

getBulkMapperClass

protected Class<? extends org.apache.hadoop.mapreduce.Mapper> getBulkMapperClass()

Specified by:

getBulkMapperClass in class IndexTool

getInputTableName

protected org.apache.hadoop.hbase.TableName getInputTableName(HBaseGraph graph,
                                                              IndexMetadata index)

Specified by:

getInputTableName in class IndexTool

getOutputTableName

protected org.apache.hadoop.hbase.TableName getOutputTableName(HBaseGraph graph,
                                                               IndexMetadata index)

Specified by:

getOutputTableName in class IndexTool

getInputScan

protected org.apache.hadoop.hbase.client.Scan getInputScan(HBaseGraph graph,
                                                           IndexMetadata index)

Overrides:

getInputScan in class IndexTool

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception