Package org.apache.iotdb.db.metadata.mtree.store.disk.cache

Class LRUCacheManager

java.lang.Object

org.apache.iotdb.db.metadata.mtree.store.disk.cache.CacheManager

org.apache.iotdb.db.metadata.mtree.store.disk.cache.LRUCacheManager

All Implemented Interfaces:

ICacheManager

public class LRUCacheManager
extends CacheManager

Constructor Summary

Constructors

Constructor	Description
LRUCacheManager()

Method Summary

Modifier and Type	Method	Description
protected void	addToNodeCache(CacheEntry cacheEntry, IMNode node)
protected void	clearNodeCache()
protected IMNode	getPotentialNodeTobeEvicted()
protected void	initCacheEntryForNode(IMNode node)
protected boolean	isInNodeCache(CacheEntry cacheEntry)
protected void	removeFromNodeCache(CacheEntry cacheEntry)
void	updateCacheStatusAfterAccess(CacheEntry cacheEntry)
protected void	updateCacheStatusAfterUpdate(CacheEntry cacheEntry, IMNode node)

Methods inherited from class org.apache.iotdb.db.metadata.mtree.store.disk.cache.CacheManager

clear, collectVolatileMNodes, evict, getCacheEntry, initRootStatus, pinMNode, remove, unPinMNode, updateCacheStatusAfterAppend, updateCacheStatusAfterDiskRead, updateCacheStatusAfterMemoryRead, updateCacheStatusAfterPersist, updateCacheStatusAfterUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

LRUCacheManager

public LRUCacheManager()

Method Detail

updateCacheStatusAfterAccess

public void updateCacheStatusAfterAccess(CacheEntry cacheEntry)

Specified by:

updateCacheStatusAfterAccess in class CacheManager

updateCacheStatusAfterUpdate

protected void updateCacheStatusAfterUpdate(CacheEntry cacheEntry,
                                            IMNode node)

Specified by:

updateCacheStatusAfterUpdate in class CacheManager

initCacheEntryForNode

protected void initCacheEntryForNode(IMNode node)

Overrides:

initCacheEntryForNode in class CacheManager

isInNodeCache

protected boolean isInNodeCache(CacheEntry cacheEntry)

Specified by:

isInNodeCache in class CacheManager

addToNodeCache

protected void addToNodeCache(CacheEntry cacheEntry,
                              IMNode node)

Specified by:

addToNodeCache in class CacheManager

removeFromNodeCache

protected void removeFromNodeCache(CacheEntry cacheEntry)

Specified by:

removeFromNodeCache in class CacheManager

getPotentialNodeTobeEvicted

protected IMNode getPotentialNodeTobeEvicted()

Specified by:

getPotentialNodeTobeEvicted in class CacheManager

clearNodeCache

protected void clearNodeCache()

Specified by:

clearNodeCache in class CacheManager