ConcurrentAppendOnlyChunkedList (ActiveMQ Artemis Commons 2.23.0 API)

java.lang.Object
- org.apache.activemq.artemis.utils.collections.ConcurrentAppendOnlyChunkedList<E>

```
public final class ConcurrentAppendOnlyChunkedList<E>
extends java.lang.Object
```
This collection is a concurrent append-only list that grows in chunks.
It's safe to be used by many threads concurrently and has a max capacity of Integer.MAX_VALUE.

Constructor Summary

Constructors
Constructor Description

ConcurrentAppendOnlyChunkedList(int chunkSize)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(E e)`	Appends the specified element to the end of this collection.
`void`	`addAll(E[] elements)`	It appends `elements` to the collection.
`E`	`get(int index)`	Returns the element at the specified position in this collection or `null` if not found.
`int`	`size()`	It returns the number of elements currently added.
`E[]`	`toArray(java.util.function.IntFunction<E[]> arrayAllocator)`
`E[]`	`toArray(java.util.function.IntFunction<E[]> arrayAllocator, int startIndex)`	Returns an array containing all of the elements in this collection in proper sequence (from first to last element). `arrayAllocator` will be used to instantiate the array of the correct size with the right runtime type.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConcurrentAppendOnlyChunkedList
```
public ConcurrentAppendOnlyChunkedList(int chunkSize)
```
    Throws:
    
    java.lang.IllegalArgumentException - if chunkSize is <0 or not a power of 2
- Method Detail
  - size
```
public int size()
```
    It returns the number of elements currently added.
  - addAll
```
public void addAll(E[] elements)
```
    It appends elements to the collection.
  - get
```
public E get(int index)
```
    Returns the element at the specified position in this collection or null if not found.
  - add
```
public void add(E e)
```
    Appends the specified element to the end of this collection.
    
    Throws:
    
    java.lang.NullPointerException - if e is null
  - toArray
```
public E[] toArray(java.util.function.IntFunction<E[]> arrayAllocator)
```
  - toArray
```
public E[] toArray(java.util.function.IntFunction<E[]> arrayAllocator,
                   int startIndex)
```
    Returns an array containing all of the elements in this collection in proper sequence (from first to last element).
    arrayAllocator will be used to instantiate the array of the correct size with the right runtime type.