org.apache.hadoop.contrib.utils.join
Interface ResetableIterator

All Superinterfaces:

Iterator

All Known Implementing Classes:

ArrayListBackedIterator

public interface ResetableIterator
extends Iterator

This defines an iterator interface that will help the reducer class re-group its input by source tags. Once the values are re-grouped, the reducer will receive the cross product of values from different groups.

Method Summary

void	add(Object item)
void	close()
void	reset()

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Method Detail

reset

void reset()

add

void add(Object item)

close

void close()
           throws IOException

Throws:

IOException