CircularBuffer (druid-processing 28.0.1 API)

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 Description

CircularBuffer(int capacity)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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()
```