org.egothor.cache.multiQueue
Class MultiQueueEntry<K>

java.lang.Object
  org.egothor.cache.multiQueue.MultiQueueEntry<K>

Type Parameters:

K - type of the stored key

public class MultiQueueEntry<K>
extends java.lang.Object

Represents a node that holds information about key, access and expire time, frequency and queue number.

Constructor Summary

MultiQueueEntry(K key, byte queue, long accessTime, long lifeTime)
Constructor for the MultiQueueEntry object.

Method Summary

long	getExpireTime() Returns the expire time of the node.
long	getFrequency() Returns the value of frequency counter of this node.
K	getKey() Gets the key this node is associated with.
byte	getQueue() Returns the number of the queue this node resides in.
long	incrementFrequency() Increments the frequency counter of this node.
long	lastAccessTime() Returns the last access time of the node
long	setExpireTime(long newExpireTime) Sets the expire time of the node.
byte	setQueue(byte newQueue) Sets the number of queue this node is currently in.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiQueueEntry

public MultiQueueEntry(K key,
                       byte queue,
                       long accessTime,
                       long lifeTime)

Constructor for the MultiQueueEntry object.

Parameters:

key - key this node is associated with

queue - number of queue this node is in

accessTime - access time of the node

lifeTime - life time of the node

Method Detail

getKey

public K getKey()

Gets the key this node is associated with.

Returns:

key this node is associated with

getQueue

public byte getQueue()

Returns the number of the queue this node resides in.

Returns:

number of queue this node resides in

setQueue

public byte setQueue(byte newQueue)

Sets the number of queue this node is currently in.

Parameters:

newQueue - new number of queue this node resides in.

Returns:

previous number of queue this node resided in

getFrequency

public long getFrequency()

Returns the value of frequency counter of this node.

Returns:

value of frequency counter of this node

incrementFrequency

public long incrementFrequency()

Increments the frequency counter of this node.

Returns:

new frequency associated with the node

lastAccessTime

public long lastAccessTime()

Returns the last access time of the node

Returns:

last access time of the node

getExpireTime

public long getExpireTime()

Returns the expire time of the node.

Returns:

expire time of the node

setExpireTime

public long setExpireTime(long newExpireTime)

Sets the expire time of the node.

Parameters:

newExpireTime - new expire time to set the node to

Returns:

previous expire time of the node