org.apache.hadoop.hbase.mapred

Class TableOutputFormat.TableRecordWriter

java.lang.Object

org.apache.hadoop.hbase.mapred.TableOutputFormat.TableRecordWriter

All Implemented Interfaces:

org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

Enclosing class:

TableOutputFormat

protected static class TableOutputFormat.TableRecordWriter
extends Object
implements org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

Convert Reduce output (key, value) to (HStoreKey, KeyedDataArrayWritable) and write to an HBase table.

Constructor Summary

Constructors

Constructor and Description
TableRecordWriter(org.apache.hadoop.hbase.client.BufferedMutator mutator) Deprecated. Please use #TableRecordWriter(JobConf) This version does not clean up connections and will leak connections (removed in 2.0)
TableRecordWriter(org.apache.hadoop.mapred.JobConf job) Instantiate a TableRecordWriter with a BufferedMutator for batch writing.

Method Summary

Modifier and Type	Method and Description
void	close(org.apache.hadoop.mapred.Reporter reporter)
void	write(org.apache.hadoop.hbase.io.ImmutableBytesWritable key, org.apache.hadoop.hbase.client.Put value)

Methods inherited from class java.lang.Object

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

Constructor Detail

TableRecordWriter

@Deprecated
public TableRecordWriter(org.apache.hadoop.hbase.client.BufferedMutator mutator)
                              throws IOException

Deprecated. Please use #TableRecordWriter(JobConf) This version does not clean up connections and will leak connections (removed in 2.0)

Instantiate a TableRecordWriter with the HBase HClient for writing.

Throws:

IOException

TableRecordWriter

public TableRecordWriter(org.apache.hadoop.mapred.JobConf job)
                  throws IOException

Instantiate a TableRecordWriter with a BufferedMutator for batch writing.

Throws:

IOException

Method Detail

close

public void close(org.apache.hadoop.mapred.Reporter reporter)
           throws IOException

Specified by:

close in interface org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

Throws:

IOException

write

public void write(org.apache.hadoop.hbase.io.ImmutableBytesWritable key,
                  org.apache.hadoop.hbase.client.Put value)
           throws IOException

Specified by:

write in interface org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

Throws:

IOException