org.apache.ignite.internal.cache.query.index.sorted.inline.io

Interface MvccIO

All Known Subinterfaces:

InlineIO

All Known Implementing Classes:

AbstractInlineInnerIO, AbstractInlineLeafIO, AbstractInnerIO, AbstractLeafIO, InlineInnerIO, InlineLeafIO, InnerIO, LeafIO, MvccInlineInnerIO, MvccInlineLeafIO, MvccInnerIO, MvccLeafIO

public interface MvccIO

This interface represents MVCC aware IO.

Method Summary

Modifier and Type	Method and Description
default long	mvccCoordinatorVersion(long pageAddr, int idx)
default long	mvccCounter(long pageAddr, int idx)
default int	mvccOperationCounter(long pageAddr, int idx)
default boolean	storeMvccInfo()

Method Detail

mvccCoordinatorVersion

default long mvccCoordinatorVersion(long pageAddr,
                                    int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc coordinator version.

mvccCounter

default long mvccCounter(long pageAddr,
                         int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Mvcc counter.

mvccOperationCounter

default int mvccOperationCounter(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.