com.orientechnologies.orient.core.storage.cache.local.twoq

Interface LRUList

All Superinterfaces:

Iterable<OCacheEntry>

All Known Implementing Classes:

ConcurrentLRUList

public interface LRUList
extends Iterable<OCacheEntry>

Author:

Artem Orobets (enisher-at-gmail.com)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	contains(long fileId, long filePosition)
OCacheEntry	get(long fileId, long pageIndex)
OCacheEntry	getLRU()
Iterator<OCacheEntry>	iterator()
void	putToMRU(OCacheEntry cacheEntry)
OCacheEntry	remove(long fileId, long pageIndex)
OCacheEntry	removeLRU()
Iterator<OCacheEntry>	reverseIterator()
int	size()

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

get

OCacheEntry get(long fileId,
                long pageIndex)

remove

OCacheEntry remove(long fileId,
                   long pageIndex)

putToMRU

void putToMRU(OCacheEntry cacheEntry)

clear

void clear()

contains

boolean contains(long fileId,
                 long filePosition)

size

int size()

removeLRU

OCacheEntry removeLRU()

getLRU

OCacheEntry getLRU()

iterator

Iterator<OCacheEntry> iterator()

Specified by:

iterator in interface Iterable<OCacheEntry>

reverseIterator

Iterator<OCacheEntry> reverseIterator()

Returns:

Iterator which iterates from head to tail, or in other words from least recently used to most recently used pages.