org.apache.druid.utils

Class CircularBuffer<E>

java.lang.Object

org.apache.druid.utils.CircularBuffer<E>

Type Parameters:

E - Type of object to be stored in the buffer

public class CircularBuffer<E>
extends Object

A circular buffer that supports random bidirectional access.

Constructor Summary

Constructors

Constructor and Description
CircularBuffer(int capacity)

Method Summary

Modifier and Type	Method and Description
void	add(E item)
E	get(int index) Access object at a given index, starting from the earliest entry added and moving forward.
E[]	getBuffer()
E	getLatest(int index) Access object at a given index, starting from the latest entry added and moving backwards.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

CircularBuffer

public CircularBuffer(int capacity)

Method Detail

getBuffer

public E[] getBuffer()

add

public void add(E item)

getLatest

public E getLatest(int index)

Access object at a given index, starting from the latest entry added and moving backwards.

get

public E get(int index)

Access object at a given index, starting from the earliest entry added and moving forward.

size

public int size()