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

Class MetaPageUpdateIndexDataRecord

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.MetaPageUpdateIndexDataRecord

All Implemented Interfaces:

WalRecordCacheGroupAware

public class MetaPageUpdateIndexDataRecord
extends PageDeltaRecord

Meta page delta record, includes encryption status data.

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 and Description
MetaPageUpdateIndexDataRecord(DataInput in)
MetaPageUpdateIndexDataRecord(int grpId, long pageId, int encryptPageIdx, int encryptPageCnt)

Method Summary

Modifier and Type	Method and Description
void	applyDelta(PageMemory pageMem, long pageAddr) Apply changes from this delta to the given page.
void	toBytes(ByteBuffer buf)
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

MetaPageUpdateIndexDataRecord

public MetaPageUpdateIndexDataRecord(int grpId,
                                     long pageId,
                                     int encryptPageIdx,
                                     int encryptPageCnt)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

encryptPageIdx - Index of the last reencrypted page.

encryptPageCnt - Total pages to be reencrypted.

MetaPageUpdateIndexDataRecord

public MetaPageUpdateIndexDataRecord(DataInput in)
                              throws IOException

Parameters:

in - Input.

Throws:

IOException

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.

toBytes

public void toBytes(ByteBuffer buf)

Parameters:

buf - Buffer.

toString

public String toString()

Overrides:

toString in class PageDeltaRecord