Package io.hgraphdb.mapreduce.index

Class HBaseIndexDirectMapperBase

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Result,KEYOUT,VALUEOUT>

org.apache.hadoop.hbase.mapreduce.TableMapper<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.KeyValue>

io.hgraphdb.mapreduce.index.HBaseIndexMapperBase

io.hgraphdb.mapreduce.index.HBaseIndexDirectMapperBase

Direct Known Subclasses:

HBaseIndexDropDirectMapper, HBaseIndexImportDirectMapper

public abstract class HBaseIndexDirectMapperBase
extends HBaseIndexMapperBase

Mapper that hands over rows from data table to the index table.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor	Description
HBaseIndexDirectMapperBase()

Method Summary

Modifier and Type	Method	Description
protected void	cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	map(org.apache.hadoop.hbase.io.ImmutableBytesWritable key, org.apache.hadoop.hbase.client.Result result, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

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

constructMutations, getGraph, getIndex

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

run

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseIndexDirectMapperBase

public HBaseIndexDirectMapperBase()

Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class HBaseIndexMapperBase

Throws:

IOException

InterruptedException

map

protected void map(org.apache.hadoop.hbase.io.ImmutableBytesWritable key,
                   org.apache.hadoop.hbase.client.Result result,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws IOException,
                   InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Result,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.KeyValue>

Throws:

IOException

InterruptedException

cleanup

protected void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
                throws IOException,
                       InterruptedException

Overrides:

cleanup in class HBaseIndexMapperBase

Throws:

IOException

InterruptedException