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

Interface IndexRow

All Superinterfaces:

MvccVersionAware

All Known Implementing Classes:

DefragIndexFactory.DefragIndexRowImpl, IndexPlainRowImpl, IndexRowImpl

public interface IndexRow
extends MvccVersionAware

Represents an index row stored in a tree.

Method Summary

Modifier and Type	Method and Description
CacheDataRow	cacheDataRow()
boolean	indexPlainRow()
IndexKey	key(int idx)
int	keysCount()
long	link()
default long	mvccCoordinatorVersion()
default long	mvccCounter()
default int	mvccOperationCounter()
default byte	mvccTxState()
InlineIndexRowHandler	rowHandler()

Methods inherited from interface org.apache.ignite.internal.processors.cache.mvcc.MvccVersionAware

mvccVersion, mvccVersion, mvccVersion, mvccVersion

Method Detail

key

IndexKey key(int idx)

Parameters:

idx - Index of a key.

Returns:

Underlying key by specified index.

keysCount

int keysCount()

Returns:

Keys count.

link

long link()

Returns:

Link to a cache row.

rowHandler

InlineIndexRowHandler rowHandler()

Returns:

Schema of an index.

cacheDataRow

CacheDataRow cacheDataRow()

Returns:

Cache row.

mvccCoordinatorVersion

default long mvccCoordinatorVersion()

Specified by:

mvccCoordinatorVersion in interface MvccVersionAware

Returns:

Mvcc coordinator version.

mvccCounter

default long mvccCounter()

Specified by:

mvccCounter in interface MvccVersionAware

Returns:

Mvcc counter.

mvccOperationCounter

default int mvccOperationCounter()

Specified by:

mvccOperationCounter in interface MvccVersionAware

Returns:

Mvcc operation counter.

mvccTxState

default byte mvccTxState()

Specified by:

mvccTxState in interface MvccVersionAware

Returns:

Tx state hint for 'created' mvcc version.

indexPlainRow

boolean indexPlainRow()

Returns:

True for rows used for index search (as opposed to rows stored in InlineIndexTree.