org.apache.ignite.internal.processors.cache.mvcc

Class StaticMvccQueryTracker

java.lang.Object

org.apache.ignite.internal.processors.cache.mvcc.StaticMvccQueryTracker

All Implemented Interfaces:

MvccCoordinatorChangeAware, MvccQueryTracker

public class StaticMvccQueryTracker
extends Object
implements MvccQueryTracker

Simple MVCC tracker used only as an Mvcc snapshot holder.

Field Summary

Fields inherited from interface org.apache.ignite.internal.processors.cache.mvcc.MvccCoordinatorChangeAware

ID_CNTR, ID_FILTER, MVCC_TRACKER_ID_NA

Constructor Summary

Constructors

Constructor and Description
StaticMvccQueryTracker(GridCacheContext cctx, MvccSnapshot snapshot)

Method Summary

Modifier and Type	Method and Description
GridCacheContext	context()
void	onDone() Marks tracker as done.
IgniteInternalFuture<MvccSnapshot>	requestSnapshot() Requests version on coordinator.
MvccSnapshot	snapshot()
AffinityTopologyVersion	topologyVersion()

Methods inherited from class java.lang.Object

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

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

id

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

onMvccCoordinatorChange

Constructor Detail

StaticMvccQueryTracker

public StaticMvccQueryTracker(GridCacheContext cctx,
                              MvccSnapshot snapshot)

Parameters:

cctx - Cache context.

snapshot - Mvcc snapshot.

Method Detail

snapshot

public MvccSnapshot snapshot()

Specified by:

snapshot in interface MvccQueryTracker

Returns:

Requested MVCC snapshot.

context

public GridCacheContext context()

Specified by:

context in interface MvccQueryTracker

Returns:

Cache context.

topologyVersion

public AffinityTopologyVersion topologyVersion()

Specified by:

topologyVersion in interface MvccQueryTracker

Returns:

Topology version.

requestSnapshot

public IgniteInternalFuture<MvccSnapshot> requestSnapshot()

Requests version on coordinator.

Specified by:

requestSnapshot in interface MvccQueryTracker

Returns:

Future to wait for result.

onDone

public void onDone()

Marks tracker as done.

Specified by:

onDone in interface MvccQueryTracker