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

Class TrackingPageDeltaRecord

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.TrackingPageDeltaRecord

All Implemented Interfaces:

WalRecordCacheGroupAware

public class TrackingPageDeltaRecord
extends PageDeltaRecord

Delta record for updates in tracking pages

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
TrackingPageDeltaRecord(int grpId, long pageId, long pageIdToMark, long nextSnapshotTag, long lastSuccessfulSnapshotTag)

Method Summary

Modifier and Type	Method	Description
void	applyDelta(PageMemory pageMem, long pageAddr)	Apply changes from this delta to the given page.
long	lastSuccessfulSnapshotTag()
long	nextSnapshotTag()
long	pageIdToMark()	Page Id which should be marked as changed
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

TrackingPageDeltaRecord

public TrackingPageDeltaRecord(int grpId,
                               long pageId,
                               long pageIdToMark,
                               long nextSnapshotTag,
                               long lastSuccessfulSnapshotTag)

Parameters:

grpId - Cache group id.

pageId - Page id.

nextSnapshotTag - Next snapshot tag.

lastSuccessfulSnapshotTag - Last successful snapshot tag.

Method Detail

pageIdToMark

public long pageIdToMark()

Page Id which should be marked as changed

nextSnapshotTag

public long nextSnapshotTag()

lastSuccessfulSnapshotTag

public long lastSuccessfulSnapshotTag()

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.

toString

public String toString()

Overrides:

toString in class PageDeltaRecord