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

Class PageDeltaRecord

java.lang.Object

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

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

All Implemented Interfaces:

WalRecordCacheGroupAware

Direct Known Subclasses:

DataPageInsertFragmentRecord, DataPageInsertRecord, DataPageMvccMarkUpdatedRecord, DataPageMvccUpdateNewTxStateHintRecord, DataPageMvccUpdateTxStateHintRecord, DataPageRemoveRecord, DataPageSetFreeListPageRecord, DataPageUpdateRecord, FixCountRecord, FixLeftmostChildRecord, FixRemoveId, InitNewPageRecord, InnerReplaceRecord, InsertRecord, MergeRecord, MetaPageAddRootRecord, MetaPageCutRootRecord, MetaPageInitRootRecord, MetaPageUpdateLastAllocatedIndex, MetaPageUpdateLastSuccessfulFullSnapshotId, MetaPageUpdateLastSuccessfulSnapshotId, MetaPageUpdateNextSnapshotId, MetaPageUpdatePartitionDataRecord, NewRootInitRecord, PageListMetaResetCountRecord, PagesListAddPageRecord, PagesListRemovePageRecord, PagesListSetNextRecord, PagesListSetPreviousRecord, RecycleRecord, RemoveRecord, ReplaceRecord, RotatedIdPartRecord, SplitExistingPageRecord, SplitForwardPageRecord, TrackingPageDeltaRecord, TrackingPageRepairDeltaRecord

public abstract class PageDeltaRecord
extends WALRecord
implements WalRecordCacheGroupAware

Abstract page delta 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

Modifier	Constructor and Description
protected	PageDeltaRecord(int grpId, long pageId)

Method Summary

Modifier and Type	Method and Description
abstract void	applyDelta(PageMemory pageMem, long pageAddr) Apply changes from this delta to the given page.
FullPageId	fullPageId()
int	groupId()
long	pageId()
String	toString()

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PageDeltaRecord

protected PageDeltaRecord(int grpId,
                          long pageId)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

Method Detail

pageId

public long pageId()

Returns:

Page ID.

fullPageId

public FullPageId fullPageId()

Returns:

Full page ID.

groupId

public int groupId()

Specified by:

groupId in interface WalRecordCacheGroupAware

Returns:

Cache group ID.

applyDelta

public abstract 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.

Parameters:

pageMem - Page memory.

pageAddr - Page address.

Throws:

IgniteCheckedException - If failed.

toString

public String toString()

Overrides:

toString in class WALRecord