org.apache.hadoop.mapred.lib.db
Class DBOutputFormat.DBRecordWriter

java.lang.Object
  org.apache.hadoop.mapred.lib.db.DBOutputFormat.DBRecordWriter

All Implemented Interfaces:

RecordWriter<K,V>

Enclosing class:

DBOutputFormat<K extends DBWritable,V>

protected class DBOutputFormat.DBRecordWriter
extends java.lang.Object
implements RecordWriter<K,V>

A RecordWriter that writes the reduce output to a SQL table

Constructor Summary

protected

DBOutputFormat.DBRecordWriter(java.sql.Connection connection, java.sql.PreparedStatement statement)

Method Summary

void	close(Reporter reporter) Close this RecordWriter to future operations.
void	write(K key, V value) Writes a key/value pair.

Methods inherited from class java.lang.Object

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

Constructor Detail

DBOutputFormat.DBRecordWriter

protected DBOutputFormat.DBRecordWriter(java.sql.Connection connection,
                                        java.sql.PreparedStatement statement)
                                 throws java.sql.SQLException

Throws:

java.sql.SQLException

Method Detail

close

public void close(Reporter reporter)
           throws java.io.IOException

Close this RecordWriter to future operations.

Specified by:

close in interface RecordWriter<K extends DBWritable,V>

Parameters:

reporter - facility to report progress.

Throws:

java.io.IOException

write

public void write(K key,
                  V value)
           throws java.io.IOException

Writes a key/value pair.

Specified by:

write in interface RecordWriter<K extends DBWritable,V>

Parameters:

key - the key to write.

value - the value to write.

Throws:

java.io.IOException