org.apache.hadoop.hbase.mapred

Interface TableMap<K extends org.apache.hadoop.io.WritableComparable<? super K>,V>

Type Parameters:

K - WritableComparable key class

V - Writable value class

All Superinterfaces:

AutoCloseable, Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<ImmutableBytesWritable,Result,K,V>

All Known Implementing Classes:

GroupingTableMap, IdentityTableMap, RowCounter.RowCounterMapper

@InterfaceAudience.Public
public interface TableMap<K extends org.apache.hadoop.io.WritableComparable<? super K>,V>
extends org.apache.hadoop.mapred.Mapper<ImmutableBytesWritable,Result,K,V>

Scan an HBase table to sort by a specified sort column. If the column does not exist, the record is not passed to Reduce.

Method Summary

Methods inherited from interface org.apache.hadoop.mapred.Mapper

map

Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable

configure

Methods inherited from interface java.io.Closeable

close