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

Class ODirectoryPage

java.lang.Object

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

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

Direct Known Subclasses:

ODirectoryFirstPage

public class ODirectoryPage
extends ODurablePage

Since:

5/14/14

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
static int	NODES_PER_PAGE

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

CRC32_OFFSET, MAGIC_NUMBER_OFFSET, MAX_PAGE_SIZE_BYTES, NEXT_FREE_POSITION, WAL_POSITION_OFFSET, WAL_SEGMENT_OFFSET

Constructor Summary

Constructors

Constructor and Description
ODirectoryPage(OCacheEntry cacheEntry, OCacheEntry entry)

Method Summary

Modifier and Type	Method and Description
OCacheEntry	getEntry()
protected int	getItemsOffset()
byte	getMaxLeftChildDepth(int localNodeIndex)
byte	getMaxRightChildDepth(int localNodeIndex)
byte	getNodeLocalDepth(int localNodeIndex)
long	getPointer(int localNodeIndex, int index)
void	setMaxLeftChildDepth(int localNodeIndex, byte maxLeftChildDepth)
void	setMaxRightChildDepth(int localNodeIndex, byte maxRightChildDepth)
void	setNodeLocalDepth(int localNodeIndex, byte nodeLocalDepth)
void	setPointer(int localNodeIndex, int index, long pointer)

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

deserializeFromDirectMemory, getBinaryValue, getByteValue, getChanges, getIntValue, getLogSequenceNumber, getLogSequenceNumberFromPage, getLongValue, getLsn, getObjectSizeInDirectMemory, getPageData, getShortValue, moveData, restoreChanges, setBinaryValue, setByteValue, setIntValue, setLongValue, setLsn, setShortValue, toString

Methods inherited from class java.lang.Object

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

Field Detail

NODES_PER_PAGE

public static final int NODES_PER_PAGE

Constructor Detail

ODirectoryPage

public ODirectoryPage(OCacheEntry cacheEntry,
                      OCacheEntry entry)

Method Detail

getEntry

public OCacheEntry getEntry()

setMaxLeftChildDepth

public void setMaxLeftChildDepth(int localNodeIndex,
                                 byte maxLeftChildDepth)

getMaxLeftChildDepth

public byte getMaxLeftChildDepth(int localNodeIndex)

setMaxRightChildDepth

public void setMaxRightChildDepth(int localNodeIndex,
                                  byte maxRightChildDepth)

getMaxRightChildDepth

public byte getMaxRightChildDepth(int localNodeIndex)

setNodeLocalDepth

public void setNodeLocalDepth(int localNodeIndex,
                              byte nodeLocalDepth)

getNodeLocalDepth

public byte getNodeLocalDepth(int localNodeIndex)

setPointer

public void setPointer(int localNodeIndex,
                       int index,
                       long pointer)
                throws IOException

Throws:

IOException

getPointer

public long getPointer(int localNodeIndex,
                       int index)

getItemsOffset

protected int getItemsOffset()