Package io.hgraphdb.mapreduce.index

Class HBaseIndexBulkMapperBase

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.HBaseIndexBulkMapperBase

Direct Known Subclasses:

HBaseIndexDropMapper, HBaseIndexImportMapper

public abstract class HBaseIndexBulkMapperBase
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
HBaseIndexBulkMapperBase()

Method Summary

Modifier and Type	Method	Description
protected void	map(org.apache.hadoop.hbase.io.ImmutableBytesWritable key, org.apache.hadoop.hbase.client.Result result, org.apache.hadoop.mapreduce.Mapper.Context context)
static List<org.apache.hadoop.hbase.KeyValue>	toKeyValues(List<? extends org.apache.hadoop.hbase.client.Mutation> mutations)

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

cleanup, constructMutations, getGraph, getIndex, setup

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

HBaseIndexBulkMapperBase

public HBaseIndexBulkMapperBase()

Method Detail

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

toKeyValues

public static List<org.apache.hadoop.hbase.KeyValue> toKeyValues(List<? extends org.apache.hadoop.hbase.client.Mutation> mutations)