Package org.elasticsearch.common.util.concurrent

Class AtomicArray<E>

java.lang.Object

org.elasticsearch.common.util.concurrent.AtomicArray<E>

public class AtomicArray<E>
extends java.lang.Object

A list backed by an AtomicReferenceArray with potential null values, easily allowing to get the concrete values as a list using asList().

Constructor Summary

Constructors

Constructor	Description
AtomicArray(int size)

Method Summary

Modifier and Type	Method	Description
java.util.List<E>	asList()	Returns the it as a non null list.
E	get(int i)	Gets the current value at position i.
int	length()	The size of the expected results, including potential null values.
int	nonNullLength()	Returns the size of the expected results, excluding potential null values.
void	set(int i, E value)	Sets the element at position i to the given value.
void	setOnce(int i, E value)
E[]	toArray(E[] a)	Copies the content of the underlying atomic array to a normal one.

Methods inherited from class java.lang.Object

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

Constructor Details

AtomicArray

public AtomicArray(int size)

Method Details

length

public int length()

The size of the expected results, including potential null values.

nonNullLength

public int nonNullLength()

Returns the size of the expected results, excluding potential null values.

Returns:

the number of non-null elements

set

public void set(int i,
E value)

Sets the element at position i to the given value.

Parameters:

i - the index

value - the new value

setOnce

public final void setOnce(int i,
E value)

get

public E get(int i)

Gets the current value at position i.

Parameters:

i - the index

Returns:

the current value

asList

public java.util.List<E> asList()

Returns the it as a non null list.

toArray

public E[] toArray(E[] a)

Copies the content of the underlying atomic array to a normal one.