Package com.orientechnologies.orient.core.storage.cluster

Class OClusterPositionMapBucket

java.lang.Object

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

com.orientechnologies.orient.core.storage.cluster.OClusterPositionMapBucket

public final class OClusterPositionMapBucket
extends ODurablePage

Since:

10/7/13

Author:

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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	OClusterPositionMapBucket.PositionEntry

Field Summary

Fields

Modifier and Type	Field	Description
static final byte	ALLOCATED
static final byte	FILLED
static final int	MAX_ENTRIES
static final byte	NOT_EXISTENT
static final byte	REMOVED

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	Description
OClusterPositionMapBucket(OCacheEntry cacheEntry)

Method Summary

Modifier and Type	Method	Description
int	add(int pageIndex, int recordPosition, byte status)
int	add(long pageIndex, int recordPosition)
int	allocate()
boolean	exists(int index)
OClusterPositionMapBucket.PositionEntry	get(int index)
int	getSize()
byte	getStatus(int index)
void	init()
boolean	isFull()
void	remove(int index)
void	set(int index, OClusterPositionMapBucket.PositionEntry entry)
void	truncateLastEntry()
void	updateEntry(int index, int pageIndex, int recordPosition, byte status)
void	updateStatus(int index, byte status)

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

deserializeFromDirectMemory, getBinaryValue, getByteValue, getCacheEntry, getChanges, getIntArray, getIntValue, getLogSequenceNumber, getLogSequenceNumberFromPage, getLongValue, getLSN, getObjectSizeInDirectMemory, getPageData, getPageIndex, getShortValue, moveData, restoreChanges, setBinaryValue, setByteValue, setIntArray, setIntValue, setLongValue, setLsn, setShortValue, toString

Methods inherited from class java.lang.Object

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

Field Details

NOT_EXISTENT

public static final byte NOT_EXISTENT

See Also:

• Constant Field Values

REMOVED

public static final byte REMOVED

See Also:

• Constant Field Values

FILLED

public static final byte FILLED

See Also:

• Constant Field Values

ALLOCATED

public static final byte ALLOCATED

See Also:

• Constant Field Values

MAX_ENTRIES

public static final int MAX_ENTRIES

Constructor Details

OClusterPositionMapBucket

public OClusterPositionMapBucket(OCacheEntry cacheEntry)

Method Details

init

public void init()

add

public int add(long pageIndex,
 int recordPosition)

add

public int add(int pageIndex,
 int recordPosition,
 byte status)

allocate

public int allocate()

truncateLastEntry

public void truncateLastEntry()

get

public OClusterPositionMapBucket.PositionEntry get(int index)

set

public void set(int index,
 OClusterPositionMapBucket.PositionEntry entry)

updateEntry

public void updateEntry(int index,
 int pageIndex,
 int recordPosition,
 byte status)

isFull

public boolean isFull()

getSize

public int getSize()

remove

public void remove(int index)

updateStatus

public void updateStatus(int index,
 byte status)

exists

public boolean exists(int index)

getStatus

public byte getStatus(int index)