org.apache.hadoop.contrib.utils.join

接口 ResetableIterator

所有超级接口:

Iterator

所有已知实现类:

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.

方法概要

方法

限定符和类型	方法和说明
void	add(Object item)
void	close()
void	reset()

从接口继承的方法 java.util.Iterator

hasNext, next, remove

方法详细资料

reset

void reset()

add

void add(Object item)

close

void close()
           throws IOException

抛出:

IOException