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

Class MetaPageUpdatePartitionDataRecord

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.MetaPageUpdatePartitionDataRecord

All Implemented Interfaces:

WalRecordCacheGroupAware

Direct Known Subclasses:

MetaPageUpdatePartitionDataRecordV2

public class MetaPageUpdatePartitionDataRecord
extends PageDeltaRecord

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	Description
MetaPageUpdatePartitionDataRecord(int grpId, long pageId, long updateCntr, long globalRmvId, int partSize, long cntrsPageId, byte state, int allocatedIdxCandidate)
MetaPageUpdatePartitionDataRecord(DataInput in)

Method Summary

Modifier and Type	Method	Description
int	allocatedIndexCandidate()
void	applyDelta(PageMemory pageMem, long pageAddr)	Apply changes from this delta to the given page.
long	countersPageId()
long	globalRemoveId()
int	partitionSize()
byte	state()
void	toBytes(ByteBuffer buf)
String	toString()
WALRecord.RecordType	type()
long	updateCounter()

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

MetaPageUpdatePartitionDataRecord

public MetaPageUpdatePartitionDataRecord(int grpId,
                                         long pageId,
                                         long updateCntr,
                                         long globalRmvId,
                                         int partSize,
                                         long cntrsPageId,
                                         byte state,
                                         int allocatedIdxCandidate)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

allocatedIdxCandidate - Page Allocated index candidate

MetaPageUpdatePartitionDataRecord

public MetaPageUpdatePartitionDataRecord(DataInput in)
                                  throws IOException

Parameters:

in - Input.

Throws:

IOException

Method Detail

updateCounter

public long updateCounter()

Returns:

Update counter.

globalRemoveId

public long globalRemoveId()

Returns:

Global remove ID.

partitionSize

public int partitionSize()

Returns:

Partition size.

countersPageId

public long countersPageId()

Returns:

Partition size.

state

public byte state()

Returns:

Partition state

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.

allocatedIndexCandidate

public int allocatedIndexCandidate()

toBytes

public void toBytes(ByteBuffer buf)

Parameters:

buf - Buffer.

type

public WALRecord.RecordType type()

Specified by:

type in class WALRecord

Returns:

Entry type.

toString

public String toString()

Overrides:

toString in class PageDeltaRecord