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

Class NewRootInitRecord<L>

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.NewRootInitRecord<L>

All Implemented Interfaces:

WalRecordCacheGroupAware

public class NewRootInitRecord<L>
extends PageDeltaRecord

Initialize new root page.

Nested Class Summary

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

WALRecord.RecordType

Constructor Summary

Constructors

Constructor and Description
NewRootInitRecord(int grpId, long pageId, long newRootId, BPlusInnerIO<L> io, long leftChildId, byte[] rowBytes, long rightChildId)

Method Summary

Modifier and Type	Method and Description
void	applyDelta(PageMemory pageMem, long pageAddr) Apply changes from this delta to the given page.
BPlusInnerIO<L>	io()
long	leftId()
long	rightId()
long	rootId()
byte[]	rowBytes()
String	toString()
WALRecord.RecordType	type()

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

groupId, pageId

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

chainSize, chainSize, position, position, previous, previous, rollOver, size, size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NewRootInitRecord

public NewRootInitRecord(int grpId,
                         long pageId,
                         long newRootId,
                         BPlusInnerIO<L> io,
                         long leftChildId,
                         byte[] rowBytes,
                         long rightChildId)

Parameters:

grpId - Cache group ID.

pageId - Page ID.

io - IO.

leftChildId - Left child ID.

rowBytes - Row.

rightChildId - Right child ID.

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.

io

public BPlusInnerIO<L> io()

Returns:

IO.

rootId

public long rootId()

Returns:

Root page ID.

leftId

public long leftId()

Returns:

Left child ID.

rightId

public long rightId()

Returns:

Right child ID.

rowBytes

public byte[] rowBytes()

Returns:

Row bytes.

toString

public String toString()

Overrides:

toString in class PageDeltaRecord