org.apache.flink.hadoopcompatibility.mapred.wrapper

类 HadoopTupleUnwrappingIterator<KEY,VALUE>

java.lang.Object

org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator<VALUE,KEY>

org.apache.flink.hadoopcompatibility.mapred.wrapper.HadoopTupleUnwrappingIterator<KEY,VALUE>

所有已实现的接口:

Serializable, Iterable<VALUE>, Iterator<VALUE>

public class HadoopTupleUnwrappingIterator<KEY,VALUE>
extends org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator<VALUE,KEY>
implements Serializable

Wraps a Flink Tuple2 (key-value-pair) iterator into an iterator over the second (value) field.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
HadoopTupleUnwrappingIterator(org.apache.flink.api.common.typeutils.TypeSerializer<KEY> keySerializer)

方法概要

限定符和类型	方法和说明
KEY	getCurrentKey()
boolean	hasNext()
VALUE	next()
void	remove()
void	set(Iterator<org.apache.flink.api.java.tuple.Tuple2<KEY,VALUE>> iterator) Set the Flink iterator to wrap.

从类继承的方法 org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator

getLastKey, iterator

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Iterator

forEachRemaining

从接口继承的方法 java.lang.Iterable

forEach, spliterator

构造器详细资料

HadoopTupleUnwrappingIterator

public HadoopTupleUnwrappingIterator(org.apache.flink.api.common.typeutils.TypeSerializer<KEY> keySerializer)

方法详细资料

set

public void set(Iterator<org.apache.flink.api.java.tuple.Tuple2<KEY,VALUE>> iterator)

Set the Flink iterator to wrap.

覆盖:

set 在类中 org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator<VALUE,KEY>

参数:

iterator - The Flink iterator to wrap.

hasNext

public boolean hasNext()

指定者:

hasNext 在接口中 Iterator<VALUE>

覆盖:

hasNext 在类中 org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator<VALUE,KEY>

next

public VALUE next()

指定者:

next 在接口中 Iterator<VALUE>

覆盖:

next 在类中 org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator<VALUE,KEY>

getCurrentKey

public KEY getCurrentKey()

remove

public void remove()

指定者:

remove 在接口中 Iterator<VALUE>

覆盖:

remove 在类中 org.apache.flink.api.java.operators.translation.TupleUnwrappingIterator<VALUE,KEY>