org.apache.flink.streaming.api.state

Class CircularFifoList<T>

java.lang.Object

org.apache.flink.streaming.api.state.CircularFifoList<T>

All Implemented Interfaces:

Serializable

public class CircularFifoList<T>
extends Object
implements Serializable

A simple class, that manages a circular queue with sliding interval. If the queue if full and a new element is added, the elements that belong to the first sliding interval are removed.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CircularFifoList()

Method Summary

Modifier and Type	Method and Description
void	add(T element)
List<T>	getElements()
Iterable<T>	getIterable()
Iterator<T>	getIterator()
boolean	isEmpty()
void	newSlide()
void	shiftWindow()
void	shiftWindow(int numberOfSlides)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CircularFifoList

public CircularFifoList()

Method Detail

add

public void add(T element)

newSlide

public void newSlide()

shiftWindow

public void shiftWindow()

shiftWindow

public void shiftWindow(int numberOfSlides)

getElements

public List<T> getElements()

getIterator

public Iterator<T> getIterator()

getIterable

public Iterable<T> getIterable()

isEmpty

public boolean isEmpty()

toString

public String toString()

Overrides:

toString in class Object