org.eclipse.milo.opcua.sdk.server.util

Class RingBuffer<E>

java.lang.Object

org.eclipse.milo.opcua.sdk.server.util.RingBuffer<E>

public class RingBuffer<E>
extends Object

Constructor Summary

Constructors

Constructor and Description
RingBuffer(int maxSize)

Method Summary

Modifier and Type	Method and Description
void	add(E e) Add an element to the buffer, replacing the oldest element in the buffer if full.
void	clear() Clear the contents of this buffer.
E	get(int index) Get the element at the specified index.
boolean	isEmpty()
int	maxSize()
E	remove()
void	set(int index, E e) Set the element at the specified index.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

RingBuffer

public RingBuffer(int maxSize)

Method Detail

get

public E get(int index)

Get the element at the specified index. This does not affect the next element to be returned.

Parameters:

index - The specified index.

Returns:

The element at the specified index.

Throws:

IndexOutOfBoundsException - if the index is out of bounds...

set

public void set(int index,
                E e)

Set the element at the specified index. This does not affect the next element to be returned.

Parameters:

index - The specified index.

e - The element to set.

Throws:

IndexOutOfBoundsException - if the index is out of bounds...

add

public void add(E e)

Add an element to the buffer, replacing the oldest element in the buffer if full.

Parameters:

e - element to add.

remove

public E remove()

Returns:

The next (oldest) element in the buffer.

Throws:

NoSuchElementException - if the buffer is empty.

clear

public void clear()

Clear the contents of this buffer.

isEmpty

public boolean isEmpty()

Returns:

true if the buffer is empty (size == 0).

maxSize

public int maxSize()

Returns:

The maximum allowed size (number of elements).

size

public int size()

Returns:

The current size (number of elements).