Package com.orientechnologies.orient.core.storage.cache

Class OCachePointer

java.lang.Object

com.orientechnologies.orient.core.storage.cache.OCachePointer

public final class OCachePointer
extends Object

Since:

05.08.13

Author:

Andrey Lomakin (a.lomakin-at-orientdb.com)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	OCachePointer.WritersListener

Constructor Summary

Constructors

Constructor	Description
OCachePointer(OPointer pointer, OByteBufferPool bufferPool, long fileId, int pageIndex)

Method Summary

Modifier and Type	Method	Description
void	acquireExclusiveLock()
void	acquireSharedLock()
void	decrementReadersReferrer()
void	decrementReferrer()
void	decrementWritersReferrer()
boolean	equals(Object o)
ByteBuffer	getBuffer()
ByteBuffer	getBufferDuplicate()
OLogSequenceNumber	getEndLSN()
long	getFileId()
int	getPageIndex()
OPointer	getPointer()
long	getVersion()
int	hashCode()
void	incrementReadersReferrer()
void	incrementReferrer()
void	incrementWritersReferrer()
void	releaseExclusiveLock()
void	releaseSharedLock()
void	setWritersListener(OCachePointer.WritersListener writersListener)
String	toString()
boolean	tryAcquireSharedLock()

Methods inherited from class java.lang.Object

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

Constructor Details

OCachePointer

public OCachePointer(OPointer pointer,
 OByteBufferPool bufferPool,
 long fileId,
 int pageIndex)

Method Details

setWritersListener

public void setWritersListener(OCachePointer.WritersListener writersListener)

getFileId

public long getFileId()

getPageIndex

public int getPageIndex()

incrementReadersReferrer

public void incrementReadersReferrer()

decrementReadersReferrer

public void decrementReadersReferrer()

incrementWritersReferrer

public void incrementWritersReferrer()

decrementWritersReferrer

public void decrementWritersReferrer()

incrementReferrer

public void incrementReferrer()

decrementReferrer

public void decrementReferrer()

getBuffer

public ByteBuffer getBuffer()

getPointer

public OPointer getPointer()

getBufferDuplicate

public ByteBuffer getBufferDuplicate()

acquireExclusiveLock

public void acquireExclusiveLock()

getVersion

public long getVersion()

releaseExclusiveLock

public void releaseExclusiveLock()

acquireSharedLock

public void acquireSharedLock()

releaseSharedLock

public void releaseSharedLock()

tryAcquireSharedLock

public boolean tryAcquireSharedLock()

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

getEndLSN

public OLogSequenceNumber getEndLSN()