com.orientechnologies.orient.core.index.hashindex.local

Class OHashTableDirectory

java.lang.Object

com.orientechnologies.common.concur.resource.OSharedResourceAdaptive

com.orientechnologies.orient.core.storage.impl.local.paginated.base.ODurableComponent

com.orientechnologies.orient.core.index.hashindex.local.OHashTableDirectory

public class OHashTableDirectory
extends ODurableComponent

Since:

5/14/14

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
static int	BINARY_LEVEL_SIZE
static int	ITEM_SIZE
static int	LEVEL_SIZE

Fields inherited from class com.orientechnologies.orient.core.storage.impl.local.paginated.base.ODurableComponent

atomicOperationsManager, extension, performanceStatisticManager, readCache, storage, writeCache

Constructor Summary

Constructors

Constructor and Description
OHashTableDirectory(String defaultExtension, String name, String lockName, boolean durableInNonTxMode, OAbstractPaginatedStorage storage)

Method Summary

Modifier and Type	Method and Description
int	addNewNode(byte maxLeftChildDepth, byte maxRightChildDepth, byte nodeLocalDepth, long[] newNode)
void	clear()
void	close()
void	create()
void	delete()
void	deleteNode(int nodeIndex)
void	deleteWithoutOpen()
void	flush()
byte	getMaxLeftChildDepth(int nodeIndex)
byte	getMaxRightChildDepth(int nodeIndex)
long[]	getNode(int nodeIndex)
byte	getNodeLocalDepth(int nodeIndex)
long	getNodePointer(int nodeIndex, int index)
void	open()
void	setMaxLeftChildDepth(int nodeIndex, byte maxLeftChildDepth)
void	setMaxRightChildDepth(int nodeIndex, byte maxRightChildDepth)
void	setNode(int nodeIndex, long[] node)
void	setNodeLocalDepth(int nodeIndex, byte localNodeDepth)
void	setNodePointer(int nodeIndex, int index, long pointer)

Methods inherited from class com.orientechnologies.orient.core.storage.impl.local.paginated.base.ODurableComponent

acquireExclusiveLock, addFile, addPage, completeOperation, deleteFile, endAtomicOperation, getChanges, getExtension, getFilledUpTo, getFullName, getLockName, getName, isFileExists, isFileExists, loadPage, loadPage, openFile, pinPage, releasePage, setName, startAtomicOperation, startOperation, truncateFile

Methods inherited from class com.orientechnologies.common.concur.resource.OSharedResourceAdaptive

acquireSharedLock, addUser, assertExclusiveLockHold, assertSharedLockHold, getUsers, isConcurrent, releaseExclusiveLock, releaseSharedLock, removeUser, tryAcquireExclusiveLock, tryAcquireSharedLock

Methods inherited from class java.lang.Object

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

Field Detail

ITEM_SIZE

public static final int ITEM_SIZE

See Also:

Constant Field Values

LEVEL_SIZE

public static final int LEVEL_SIZE

See Also:

Constant Field Values

BINARY_LEVEL_SIZE

public static final int BINARY_LEVEL_SIZE

See Also:

Constant Field Values

Constructor Detail

OHashTableDirectory

public OHashTableDirectory(String defaultExtension,
                           String name,
                           String lockName,
                           boolean durableInNonTxMode,
                           OAbstractPaginatedStorage storage)

Method Detail

create

public void create()
            throws IOException

Throws:

IOException

open

public void open()
          throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

delete

public void delete()
            throws IOException

Throws:

IOException

deleteWithoutOpen

public void deleteWithoutOpen()
                       throws IOException

Throws:

IOException

addNewNode

public int addNewNode(byte maxLeftChildDepth,
                      byte maxRightChildDepth,
                      byte nodeLocalDepth,
                      long[] newNode)
               throws IOException

Throws:

IOException

deleteNode

public void deleteNode(int nodeIndex)
                throws IOException

Throws:

IOException

getMaxLeftChildDepth

public byte getMaxLeftChildDepth(int nodeIndex)
                          throws IOException

Throws:

IOException

setMaxLeftChildDepth

public void setMaxLeftChildDepth(int nodeIndex,
                                 byte maxLeftChildDepth)
                          throws IOException

Throws:

IOException

getMaxRightChildDepth

public byte getMaxRightChildDepth(int nodeIndex)
                           throws IOException

Throws:

IOException

setMaxRightChildDepth

public void setMaxRightChildDepth(int nodeIndex,
                                  byte maxRightChildDepth)
                           throws IOException

Throws:

IOException

getNodeLocalDepth

public byte getNodeLocalDepth(int nodeIndex)
                       throws IOException

Throws:

IOException

setNodeLocalDepth

public void setNodeLocalDepth(int nodeIndex,
                              byte localNodeDepth)
                       throws IOException

Throws:

IOException

getNode

public long[] getNode(int nodeIndex)
               throws IOException

Throws:

IOException

setNode

public void setNode(int nodeIndex,
                    long[] node)
             throws IOException

Throws:

IOException

getNodePointer

public long getNodePointer(int nodeIndex,
                           int index)
                    throws IOException

Throws:

IOException

setNodePointer

public void setNodePointer(int nodeIndex,
                           int index,
                           long pointer)
                    throws IOException

Throws:

IOException

clear

public void clear()
           throws IOException

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException