org.apache.flink.api.java.operators.translation

Class Tuple3UnwrappingIterator<T,K1,K2>

java.lang.Object

org.apache.flink.api.java.operators.translation.Tuple3UnwrappingIterator<T,K1,K2>

All Implemented Interfaces:

Serializable, Iterable<T>, Iterator<T>

@Internal
public class Tuple3UnwrappingIterator<T,K1,K2>
extends Object
implements Iterator<T>, Iterable<T>, Serializable

An iterator that reads 3-tuples (groupKey, sortKey, value) and returns only the values (third field). The iterator also tracks the groupKeys, as the triples flow though it.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Tuple3UnwrappingIterator()

Method Summary

Modifier and Type	Method and Description
K1	getLastGroupKey()
K2	getLastSortKey()
boolean	hasNext()
Iterator<T>	iterator()
T	next()
void	remove()
void	set(Iterator<Tuple3<K1,K2,T>> iterator)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

Tuple3UnwrappingIterator

public Tuple3UnwrappingIterator()

Method Detail

set

public void set(Iterator<Tuple3<K1,K2,T>> iterator)

getLastGroupKey

public K1 getLastGroupKey()

getLastSortKey

public K2 getLastSortKey()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

remove

public void remove()

Specified by:

remove in interface Iterator<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>