Package io.hgraphdb.mapreduce.index

Class IndexTool

java.lang.Object

org.apache.hadoop.conf.Configured

io.hgraphdb.mapreduce.index.IndexTool

All Implemented Interfaces:

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

Direct Known Subclasses:

DropIndex, PopulateIndex

public abstract class IndexTool
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

An abstract MR job to update an index. Based on IndexTool from Phoenix.

Constructor Summary

Constructors

Constructor	Description
IndexTool()

Method Summary

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

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

IndexTool

public IndexTool()

Method Detail

setup

protected abstract void setup(HBaseGraph graph,
                              IndexMetadata index)

cleanup

protected abstract void cleanup(HBaseGraph graph,
                                IndexMetadata index)

getDirectMapperClass

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

getDirectReducerClass

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

getBulkMapperClass

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

getInputTableName

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

getOutputTableName

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

getInputScan

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

run

public int run(String[] args)
        throws Exception

Specified by:

run in interface org.apache.hadoop.util.Tool

Throws:

Exception