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

Interface H2RowLinkIO

All Known Implementing Classes:

AbstractH2ExtrasInnerIO, AbstractH2ExtrasLeafIO, AbstractH2InnerIO, AbstractH2LeafIO, H2ExtrasInnerIO, H2ExtrasLeafIO, H2InnerIO, H2LeafIO, H2MvccExtrasLeafIO, H2MvccInnerIO, H2MvccLeafIO

public interface H2RowLinkIO

Row link IO.

Method Summary

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

Method Detail

getLink

long getLink(long pageAddr,
             int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Row link.

getMvccCoordinatorVersion

default long getMvccCoordinatorVersion(long pageAddr,
                                       int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc coordinator version.

getMvccCounter

default long getMvccCounter(long pageAddr,
                            int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc counter.

getMvccOperationCounter

default int getMvccOperationCounter(long pageAddr,
                                    int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc operation counter.

storeMvccInfo

default boolean storeMvccInfo()

Returns:

True if IO stores mvcc information.

getPayloadSize

int getPayloadSize()

Returns:

Size of reserved data array for data inlining.