org.apache.ignite.internal.processors.cache.distributed.dht

Class GridPartitionedSingleGetFuture

java.lang.Object

org.apache.ignite.internal.util.future.GridFutureAdapter<R>

org.apache.ignite.internal.processors.cache.GridCacheFutureAdapter<Object>

org.apache.ignite.internal.processors.cache.distributed.dht.GridPartitionedSingleGetFuture

All Implemented Interfaces:

IgniteDiagnosticAware, IgniteInternalFuture<Object>, CacheGetFuture, GridCacheFuture<Object>

public class GridPartitionedSingleGetFuture
extends GridCacheFutureAdapter<Object>
implements CacheGetFuture, IgniteDiagnosticAware

Field Summary

Fields

Modifier and Type	Field and Description
static int	DFLT_MAX_REMAP_CNT Default max remap count value.
protected static int	MAX_REMAP_CNT Maximum number of attempts to remap key to the same primary node.
protected MvccSnapshot	mvccSnapshot
protected static AtomicIntegerFieldUpdater<GridPartitionedSingleGetFuture>	REMAP_CNT_UPD Remap count updater.
protected int	remapCnt Remap count.

Constructor Summary

Constructors

Constructor and Description
GridPartitionedSingleGetFuture(GridCacheContext cctx, KeyCacheObject key, AffinityTopologyVersion topVer, boolean readThrough, boolean forcePrimary, @Nullable UUID subjId, String taskName, boolean deserializeBinary, @Nullable IgniteCacheExpiryPolicy expiryPlc, boolean skipVals, boolean needVer, boolean keepCacheObjects, boolean recovery, String txLbl, @Nullable MvccSnapshot mvccSnapshot)

Method Summary

Modifier and Type	Method and Description
void	addDiagnosticRequest(IgniteDiagnosticPrepareContext ctx)
IgniteUuid	futureId()
protected Set<ClusterNode>	getInvalidNodes()
void	init() Initialize future.
void	markNotTrackable() Marks this future as non-trackable.
boolean	onDone(Object res, Throwable err) Callback to notify that future is finished.
boolean	onNodeLeft(UUID nodeId) Callback for when node left.
void	onResult(UUID nodeId, GridNearGetResponse res)
void	onResult(UUID nodeId, GridNearSingleGetResponse res)
String	toString()
boolean	trackable()

Methods inherited from class org.apache.ignite.internal.processors.cache.GridCacheFutureAdapter

duration, onDone, startTime

Methods inherited from class org.apache.ignite.internal.util.future.GridFutureAdapter

cancel, chain, chain, error, get, get, get, getUninterruptibly, ignoreInterrupts, isCancelled, isDone, isFailed, listen, logger, onCancelled, onDone, onDone, onDone, reset, result

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.IgniteInternalFuture

cancel, chain, chain, error, get, get, get, getUninterruptibly, isCancelled, isDone, listen, result

Field Detail

DFLT_MAX_REMAP_CNT

public static final int DFLT_MAX_REMAP_CNT

Default max remap count value.

See Also:

Constant Field Values

MAX_REMAP_CNT

protected static final int MAX_REMAP_CNT

Maximum number of attempts to remap key to the same primary node.

REMAP_CNT_UPD

protected static final AtomicIntegerFieldUpdater<GridPartitionedSingleGetFuture> REMAP_CNT_UPD

Remap count updater.

mvccSnapshot

protected final MvccSnapshot mvccSnapshot

remapCnt

protected volatile int remapCnt

Remap count.

Constructor Detail

GridPartitionedSingleGetFuture

public GridPartitionedSingleGetFuture(GridCacheContext cctx,
                                      KeyCacheObject key,
                                      AffinityTopologyVersion topVer,
                                      boolean readThrough,
                                      boolean forcePrimary,
                                      @Nullable
                                      @Nullable UUID subjId,
                                      String taskName,
                                      boolean deserializeBinary,
                                      @Nullable
                                      @Nullable IgniteCacheExpiryPolicy expiryPlc,
                                      boolean skipVals,
                                      boolean needVer,
                                      boolean keepCacheObjects,
                                      boolean recovery,
                                      String txLbl,
                                      @Nullable
                                      @Nullable MvccSnapshot mvccSnapshot)

Parameters:

cctx - Context.

key - Key.

topVer - Topology version.

readThrough - Read through flag.

forcePrimary - If true then will force network trip to primary node even if called on backup node.

subjId - Subject ID.

taskName - Task name.

deserializeBinary - Deserialize binary flag.

expiryPlc - Expiry policy.

skipVals - Skip values flag.

needVer - If true returns values as tuples containing value and version.

keepCacheObjects - Keep cache objects flag.

txLbl - Transaction label.

Method Detail

init

public void init()

Initialize future.

onResult

public void onResult(UUID nodeId,
                     GridNearSingleGetResponse res)

Parameters:

nodeId - Node ID.

res - Result.

onResult

public void onResult(UUID nodeId,
                     GridNearGetResponse res)

Specified by:

onResult in interface CacheGetFuture

Parameters:

nodeId - Node ID.

res - Response.

getInvalidNodes

protected Set<ClusterNode> getInvalidNodes()

Returns:

Set of invalid cluster nodes.

futureId

public IgniteUuid futureId()

Specified by:

futureId in interface GridCacheFuture<Object>

Returns:

Unique identifier for this future.

onNodeLeft

public boolean onNodeLeft(UUID nodeId)

Callback for when node left.

Specified by:

onNodeLeft in interface GridCacheFuture<Object>

Parameters:

nodeId - Left node ID.

Returns:

True if future cared about this node.

onDone

public boolean onDone(Object res,
                      Throwable err)

Callback to notify that future is finished. Note that if non-null exception is passed in the result value will be ignored.

Overrides:

onDone in class GridFutureAdapter<Object>

Parameters:

res - Optional result.

err - Optional error.

Returns:

True if result was set by this call.

trackable

public boolean trackable()

Specified by:

trackable in interface GridCacheFuture<Object>

Returns:

True if future should be tracked.

markNotTrackable

public void markNotTrackable()

Marks this future as non-trackable.

Specified by:

markNotTrackable in interface GridCacheFuture<Object>

addDiagnosticRequest

public void addDiagnosticRequest(IgniteDiagnosticPrepareContext ctx)

Specified by:

addDiagnosticRequest in interface IgniteDiagnosticAware

Parameters:

ctx - Context.

toString

public String toString()

Overrides:

toString in class GridFutureAdapter<Object>