WALPlayer.WALMapper (Apache HBase 1.2.12 API)

java.lang.Object
- org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Mutation>
- - org.apache.hadoop.hbase.mapreduce.WALPlayer.WALMapper

protected static class WALPlayer.WALMapper
extends org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Mutation>

A mapper that writes out Mutation to be directly applied to a running HBase instance.

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
  org.apache.hadoop.mapreduce.Mapper.Context

Fields
Modifier and Type	Field and Description
`private Map<TableName,TableName>`	`tables`

Constructors
Modifier	Constructor and Description
`protected`	`WALPlayer.WALMapper()`

Methods
Modifier and Type	Method and Description
`protected boolean`	`filter(org.apache.hadoop.mapreduce.Mapper.Context context, Cell cell)`
`void`	`map(WALKey key, WALEdit value, org.apache.hadoop.mapreduce.Mapper.Context context)`
`void`	`setup(org.apache.hadoop.mapreduce.Mapper.Context context)`

private Map<TableName,TableName> tables

Constructor Detail
- WALPlayer.WALMapper
```
protected WALPlayer.WALMapper()
```

public void map(WALKey key,
       WALEdit value,
       org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException

Overrides:: map in class org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Mutation>
Throws:: IOException

protected boolean filter(org.apache.hadoop.mapreduce.Mapper.Context context,
             Cell cell)

Class WALPlayer.WALMapper