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

Class MetaPageInitRecord

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.InitNewPageRecord

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

All Implemented Interfaces:

WalRecordCacheGroupAware

public class MetaPageInitRecord
extends InitNewPageRecord

Nested Class Summary

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

WALRecord.RecordPurpose, WALRecord.RecordType

Field Summary

Fields inherited from class org.apache.ignite.internal.pagemem.wal.record.delta.InitNewPageRecord

ioVer, newPageId

Constructor Summary

Constructors

Constructor	Description
MetaPageInitRecord(int grpId, long pageId, int ioType, int ioVer, long treeRoot, long reuseListRoot)
MetaPageInitRecord(int grpId, long pageId, int ioType, int ioVer, long treeRoot, long reuseListRoot, @Nullable IgniteLogger log)

Method Summary

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

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

ioVersion, newPageId

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

MetaPageInitRecord

public MetaPageInitRecord(int grpId,
                          long pageId,
                          int ioType,
                          int ioVer,
                          long treeRoot,
                          long reuseListRoot)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

ioType - IO type.

ioVer - Io version.

treeRoot - Tree root.

reuseListRoot - Reuse list root.

MetaPageInitRecord

public MetaPageInitRecord(int grpId,
                          long pageId,
                          int ioType,
                          int ioVer,
                          long treeRoot,
                          long reuseListRoot,
                          @Nullable
                          @Nullable IgniteLogger log)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

ioType - IO type.

treeRoot - Tree root.

reuseListRoot - Reuse list root.

log - Logger for case data is invalid. Can be null, but is needed when processing existing storage.

Method Detail

treeRoot

public long treeRoot()

Returns:

Tree root.

reuseListRoot

public long reuseListRoot()

Returns:

Reuse list root.

ioType

public int ioType()

Overrides:

ioType in class InitNewPageRecord

Returns:

IO Type.

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.

Overrides:

applyDelta in class InitNewPageRecord

Parameters:

pageMem - Page memory.

pageAddr - Page address.

Throws:

IgniteCheckedException - If failed.

type

public WALRecord.RecordType type()

Overrides:

type in class InitNewPageRecord

Returns:

Entry type.

toString

public String toString()

Overrides:

toString in class InitNewPageRecord