com.orientechnologies.orient.core.storage.cache

Class OCacheEntryImpl

java.lang.Object

com.orientechnologies.orient.core.storage.cache.OCacheEntryImpl

All Implemented Interfaces:

OCacheEntry

public class OCacheEntryImpl
extends Object
implements OCacheEntry

Created by tglman on 23/06/16.

Constructor Summary

Constructors

Constructor and Description
OCacheEntryImpl(long fileId, long pageIndex, OCachePointer dataPointer, boolean insideCache)

Method Summary

Modifier and Type	Method and Description
boolean	acquireEntry()
void	acquireExclusiveLock()
void	acquireSharedLock()
void	clearCachePointer()
void	decrementUsages()
boolean	equals(Object o)
boolean	freeze()
OCachePointer	getCachePointer()
OWALChanges	getChanges()
LRUList	getContainer()
OLogSequenceNumber	getEndLSN()
long	getFileId()
OLogSequenceNumber	getInitialLSN()
OCacheEntry	getNext()
long	getPageIndex()
OCacheEntry	getPrev()
int	getUsagesCount()
int	hashCode()
void	incrementUsages()
boolean	insideCache()
boolean	isAlive()
boolean	isDead()
boolean	isFrozen()
boolean	isLockAcquiredByCurrentThread() DEBUG only !!
boolean	isReleased()
void	makeDead()
void	releaseEntry()
void	releaseExclusiveLock()
void	releaseSharedLock()
void	setCachePointer(OCachePointer cachePointer)
void	setContainer(LRUList lruList)
void	setEndLSN(OLogSequenceNumber endLSN)
void	setInitialLSN(OLogSequenceNumber lsn)
void	setNext(OCacheEntry next)
void	setPrev(OCacheEntry prev)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

OCacheEntryImpl

public OCacheEntryImpl(long fileId,
                       long pageIndex,
                       OCachePointer dataPointer,
                       boolean insideCache)

Method Detail

getCachePointer

public OCachePointer getCachePointer()

Specified by:

getCachePointer in interface OCacheEntry

clearCachePointer

public void clearCachePointer()

Specified by:

clearCachePointer in interface OCacheEntry

setCachePointer

public void setCachePointer(OCachePointer cachePointer)

Specified by:

setCachePointer in interface OCacheEntry

getFileId

public long getFileId()

Specified by:

getFileId in interface OCacheEntry

getPageIndex

public long getPageIndex()

Specified by:

getPageIndex in interface OCacheEntry

acquireExclusiveLock

public void acquireExclusiveLock()

Specified by:

acquireExclusiveLock in interface OCacheEntry

releaseExclusiveLock

public void releaseExclusiveLock()

Specified by:

releaseExclusiveLock in interface OCacheEntry

acquireSharedLock

public void acquireSharedLock()

Specified by:

acquireSharedLock in interface OCacheEntry

releaseSharedLock

public void releaseSharedLock()

Specified by:

releaseSharedLock in interface OCacheEntry

getUsagesCount

public int getUsagesCount()

Specified by:

getUsagesCount in interface OCacheEntry

incrementUsages

public void incrementUsages()

Specified by:

incrementUsages in interface OCacheEntry

isLockAcquiredByCurrentThread

public boolean isLockAcquiredByCurrentThread()

DEBUG only !!

Specified by:

isLockAcquiredByCurrentThread in interface OCacheEntry

Returns:

Whether lock acquired on current entry

decrementUsages

public void decrementUsages()

Specified by:

decrementUsages in interface OCacheEntry

getChanges

public OWALChanges getChanges()

Specified by:

getChanges in interface OCacheEntry

getEndLSN

public OLogSequenceNumber getEndLSN()

Specified by:

getEndLSN in interface OCacheEntry

setEndLSN

public void setEndLSN(OLogSequenceNumber endLSN)

Specified by:

setEndLSN in interface OCacheEntry

getInitialLSN

public OLogSequenceNumber getInitialLSN()

Specified by:

getInitialLSN in interface OCacheEntry

setInitialLSN

public void setInitialLSN(OLogSequenceNumber lsn)

Specified by:

setInitialLSN in interface OCacheEntry

insideCache

public boolean insideCache()

Specified by:

insideCache in interface OCacheEntry

acquireEntry

public boolean acquireEntry()

Specified by:

acquireEntry in interface OCacheEntry

releaseEntry

public void releaseEntry()

Specified by:

releaseEntry in interface OCacheEntry

isReleased

public boolean isReleased()

Specified by:

isReleased in interface OCacheEntry

isAlive

public boolean isAlive()

Specified by:

isAlive in interface OCacheEntry

freeze

public boolean freeze()

Specified by:

freeze in interface OCacheEntry

isFrozen

public boolean isFrozen()

Specified by:

isFrozen in interface OCacheEntry

makeDead

public void makeDead()

Specified by:

makeDead in interface OCacheEntry

isDead

public boolean isDead()

Specified by:

isDead in interface OCacheEntry

getNext

public OCacheEntry getNext()

Specified by:

getNext in interface OCacheEntry

getPrev

public OCacheEntry getPrev()

Specified by:

getPrev in interface OCacheEntry

setPrev

public void setPrev(OCacheEntry prev)

Specified by:

setPrev in interface OCacheEntry

setNext

public void setNext(OCacheEntry next)

Specified by:

setNext in interface OCacheEntry

setContainer

public void setContainer(LRUList lruList)

Specified by:

setContainer in interface OCacheEntry

getContainer

public LRUList getContainer()

Specified by:

getContainer in interface OCacheEntry

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object