com.orientechnologies.orient.core.storage.cache

Class OCacheEntry

java.lang.Object

com.orientechnologies.orient.core.storage.cache.OCacheEntry

public class OCacheEntry
extends Object

Since:

7/23/13

Author:

Andrey Lomakin

Constructor Summary

Constructors

Constructor and Description
OCacheEntry(long fileId, long pageIndex, OCachePointer dataPointer, boolean dirty)

Method Summary

Modifier and Type	Method and Description
void	acquireExclusiveLock()
void	acquireSharedLock()
void	clearCachePointer()
void	clearDirty()
void	decrementUsages()
boolean	equals(Object o)
OCachePointer	getCachePointer()
long	getFileId()
long	getPageIndex()
int	getUsagesCount()
int	hashCode()
void	incrementUsages()
boolean	isDirty()
boolean	isLockAcquiredByCurrentThread() DEBUG only !!
void	markDirty()
void	releaseExclusiveLock()
void	releaseSharedLock()
void	setCachePointer(OCachePointer cachePointer)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

OCacheEntry

public OCacheEntry(long fileId,
                   long pageIndex,
                   OCachePointer dataPointer,
                   boolean dirty)

Method Detail

markDirty

public void markDirty()

clearDirty

public void clearDirty()

isDirty

public boolean isDirty()

getCachePointer

public OCachePointer getCachePointer()

clearCachePointer

public void clearCachePointer()

setCachePointer

public void setCachePointer(OCachePointer cachePointer)

getFileId

public long getFileId()

getPageIndex

public long getPageIndex()

acquireExclusiveLock

public void acquireExclusiveLock()

releaseExclusiveLock

public void releaseExclusiveLock()

acquireSharedLock

public void acquireSharedLock()

releaseSharedLock

public void releaseSharedLock()

getUsagesCount

public int getUsagesCount()

incrementUsages

public void incrementUsages()

isLockAcquiredByCurrentThread

public boolean isLockAcquiredByCurrentThread()

DEBUG only !!

Returns:

Whether lock acquired on current entry

decrementUsages

public void decrementUsages()

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