org.apache.hadoop.mapred

类 Task.CombineValuesIterator<KEY,VALUE>

java.lang.Object

org.apache.hadoop.mapred.Task.CombineValuesIterator<KEY,VALUE>

所有已实现的接口:

Iterator<VALUE>

封闭类:

Task

protected static class Task.CombineValuesIterator<KEY,VALUE>
extends Object

字段概要

字段

限定符和类型	字段和说明
protected RawKeyValueIterator	in
protected Progressable	reporter

构造器概要

构造器

构造器和说明
Task.CombineValuesIterator(RawKeyValueIterator in, RawComparator<KEY> comparator, Class<KEY> keyClass, Class<VALUE> valClass, Configuration conf, Reporter reporter, Counters.Counter combineInputCounter)

方法概要

方法

限定符和类型	方法和说明
boolean	hasNext()
VALUE	next()
void	remove()

从类继承的方法 java.lang.Object

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

字段详细资料

in

protected RawKeyValueIterator in

reporter

protected Progressable reporter

构造器详细资料

Task.CombineValuesIterator

public Task.CombineValuesIterator(RawKeyValueIterator in,
                          RawComparator<KEY> comparator,
                          Class<KEY> keyClass,
                          Class<VALUE> valClass,
                          Configuration conf,
                          Reporter reporter,
                          Counters.Counter combineInputCounter)
                           throws IOException

抛出:

IOException

方法详细资料

next

public VALUE next()

指定者:

next 在接口中 Iterator<VALUE>

hasNext

public boolean hasNext()

指定者:

hasNext 在接口中 Iterator<VALUE>

remove

public void remove()

指定者:

remove 在接口中 Iterator<VALUE>