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

Direct Known Subclasses:

DataPageInsertFragmentRecord, DataPageInsertRecord, 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, SplitExistingPageRecord, SplitForwardPageRecord, TrackingPageDeltaRecord

public abstract class PageDeltaRecord
extends WALRecord

Abstract page delta record.

Nested Class Summary

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

WALRecord.RecordType

Constructor Summary

Constructors

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

Method Summary

Methods

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

Parameters:

cacheId - Cache ID.

pageId - Page ID.

Method Detail

pageId

public long pageId()

Returns:

Page ID.

cacheId

public int cacheId()

Returns:

Cache 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