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

Class DataPageInsertFragmentRecord

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.DataPageInsertFragmentRecord

All Implemented Interfaces:

WalRecordCacheGroupAware

public class DataPageInsertFragmentRecord
extends PageDeltaRecord

Insert fragment (part of big object which is bigger than page size) to data page 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

Constructor and Description
DataPageInsertFragmentRecord(int grpId, long pageId, byte[] payload, long lastLink)

Method Summary

Modifier and Type	Method and Description
void	applyDelta(PageMemory pageMem, long pageAddr) Apply changes from this delta to the given page.
long	lastLink()
byte[]	payload()
int	payloadSize()
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

DataPageInsertFragmentRecord

public DataPageInsertFragmentRecord(int grpId,
                                    long pageId,
                                    byte[] payload,
                                    long lastLink)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

payload - Fragment payload.

lastLink - Link to the last entry fragment.

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.

payloadSize

public int payloadSize()

Returns:

Fragment payload size.

payload

public byte[] payload()

Returns:

Fragment payload.

lastLink

public long lastLink()

Returns:

Link to the last entry fragment.

toString

public String toString()

Overrides:

toString in class PageDeltaRecord