org.apache.ignite.internal.processors.query.h2.database.io

Class H2MvccLeafIO

java.lang.Object

<any>

org.apache.ignite.internal.processors.query.h2.database.io.AbstractH2LeafIO

org.apache.ignite.internal.processors.query.h2.database.io.H2MvccLeafIO

All Implemented Interfaces:

H2RowLinkIO

public class H2MvccLeafIO
extends AbstractH2LeafIO

Field Summary

Fields

Modifier and Type	Field and Description
static <any>	VERSIONS

Method Summary

Modifier and Type	Method and Description
long	getMvccCoordinatorVersion(long pageAddr, int idx)
long	getMvccCounter(long pageAddr, int idx)
int	getMvccOperationCounter(long pageAddr, int idx)
boolean	storeMvccInfo()

Methods inherited from class org.apache.ignite.internal.processors.query.h2.database.io.AbstractH2LeafIO

getLink, getLookupRow, store, storeByOffset

Methods inherited from class java.lang.Object

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

Field Detail

VERSIONS

public static final <any> VERSIONS

Method Detail

getMvccCoordinatorVersion

public long getMvccCoordinatorVersion(long pageAddr,
                                      int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc coordinator version.

getMvccCounter

public long getMvccCounter(long pageAddr,
                           int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc counter.

getMvccOperationCounter

public int getMvccOperationCounter(long pageAddr,
                                   int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc operation counter.

storeMvccInfo

public boolean storeMvccInfo()

Returns:

True if IO stores mvcc information.