Package org.apache.ignite.internal.pagemem.wal.record.delta

Class SplitForwardPageRecord

java.lang.Object

org.apache.ignite.internal.pagemem.wal.record.WALRecord

org.apache.ignite.internal.pagemem.wal.record.delta.PageDeltaRecord

org.apache.ignite.internal.pagemem.wal.record.delta.SplitForwardPageRecord

All Implemented Interfaces:

WalRecordCacheGroupAware

public class SplitForwardPageRecord
extends PageDeltaRecord

Split forward page record.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.pagemem.wal.record.WALRecord

WALRecord.RecordPurpose, WALRecord.RecordType

Constructor Summary

Constructors

Constructor	Description
SplitForwardPageRecord(int grpId, long pageId, long fwdId, int ioType, int ioVer, long srcPageId, int mid, int cnt)

Method Summary

Modifier and Type	Method	Description
void	applyDelta(PageMemory pageMem, long pageAddr)	Apply changes from this delta to the given page.
int	count()
long	forwardId()
int	ioType()
int	ioVersion()
int	middleIndex()
long	sourcePageId()
String	toString()
WALRecord.RecordType	type()

Methods inherited from class org.apache.ignite.internal.pagemem.wal.record.delta.PageDeltaRecord

fullPageId, groupId, pageId

Methods inherited from class org.apache.ignite.internal.pagemem.wal.record.WALRecord

chainSize, chainSize, position, position, previous, previous, size, size

Methods inherited from class java.lang.Object

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

Constructor Detail

SplitForwardPageRecord

public SplitForwardPageRecord(int grpId,
                              long pageId,
                              long fwdId,
                              int ioType,
                              int ioVer,
                              long srcPageId,
                              int mid,
                              int cnt)

Parameters:

grpId - Cache group ID.

pageId - Real forward page ID.

fwdId - Virtual forward page ID.

ioType - IO Type.

ioVer - IO Version.

srcPageId - ID of the page which is about to be splitted.

mid - Bisection index.

cnt - Initial elements count in the page being split.

Method Detail

applyDelta

public void applyDelta(PageMemory pageMem,
                       long pageAddr)
                throws IgniteCheckedException

Apply changes from this delta to the given page. It is assumed that the given buffer represents page state right before this update.

Specified by:

applyDelta in class PageDeltaRecord

Parameters:

pageMem - Page memory.

pageAddr - Page address.

Throws:

IgniteCheckedException - If failed.

type

public WALRecord.RecordType type()

Specified by:

type in class WALRecord

Returns:

Entry type.

forwardId

public long forwardId()

ioType

public int ioType()

ioVersion

public int ioVersion()

sourcePageId

public long sourcePageId()

middleIndex

public int middleIndex()

count

public int count()

toString

public String toString()

Overrides:

toString in class PageDeltaRecord