net.hivecell.hive.support
Class ImageRingBuffer

java.lang.Object
  |
  +--net.hivecell.hive.support.ImageRingBuffer

public class ImageRingBuffer

extends java.lang.Object

implements java.io.Serializable

This class is a fixed size data structure that contains serializable images. If the ringbuffer is full and a new image is added, the least recently added image is removed.

See Also:

Serialized Form

Field Summary

protected int	highval The index of the most recent image in the buffer.
protected SerializableImage[]	store The array where the images are stored.

Constructor Summary

ImageRingBuffer(int size)
Constructs a ImageRingBuffer of size;

Method Summary

int	addElement(SerializableImage si) Add an image to the buffer and return the index it was assigned.
boolean	containsIndex(int index) return whether the RingBuffer contains this index
int	getEarliestIndex() Get the index of the earliest image still in the buffer
SerializableImage	getElement(int i) Return the element with index i.
int	getLatestIndex() Get the index of the most recent image.
int	getSize() Get the size of the ringbuffer.

Methods inherited from class java.lang.Object

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

Field Detail

highval

protected int highval

The index of the most recent image in the buffer.

store

protected SerializableImage[] store

The array where the images are stored.

Constructor Detail

ImageRingBuffer

public ImageRingBuffer(int size)

Constructs a ImageRingBuffer of size;

Method Detail

getSize

public int getSize()

Get the size of the ringbuffer.

getLatestIndex

public int getLatestIndex()

Get the index of the most recent image.

getEarliestIndex

public int getEarliestIndex()

Get the index of the earliest image still in the buffer

containsIndex

public boolean containsIndex(int index)

return whether the RingBuffer contains this index

getElement

public SerializableImage getElement(int i)

Return the element with index i. If it is not in the buffer return null.

addElement

public int addElement(SerializableImage si)

Add an image to the buffer and return the index it was assigned.