org.apache.ignite.internal.processors.cache.distributed.near.consistency

Class GridNearReadRepairAbstractFuture

java.lang.Object

org.apache.ignite.internal.util.future.GridFutureAdapter<Map<KeyCacheObject,EntryGetResult>>

org.apache.ignite.internal.processors.cache.distributed.near.consistency.GridNearReadRepairAbstractFuture

All Implemented Interfaces:

IgniteInternalFuture<Map<KeyCacheObject,EntryGetResult>>

Direct Known Subclasses:

GridNearReadRepairCheckOnlyFuture, GridNearReadRepairFuture

public abstract class GridNearReadRepairAbstractFuture
extends GridFutureAdapter<Map<KeyCacheObject,EntryGetResult>>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	GridNearReadRepairAbstractFuture.ByteArrayWrapper
protected static class	GridNearReadRepairAbstractFuture.IgniteConsistencyCheckFailedException
protected static class	GridNearReadRepairAbstractFuture.IgniteConsistencyRepairFailedException

Field Summary

Fields

Modifier and Type	Field and Description
protected GridCacheContext<?,?>	ctx Context.
protected boolean	deserializeBinary Deserialize binary flag.
protected IgniteCacheExpiryPolicy	expiryPlc Expiry policy flag.
protected Map<ClusterNode,GridPartitionedGetFuture<KeyCacheObject,EntryGetResult>>	futs Affinity node's get futures.
protected Collection<KeyCacheObject>	keys Context.
protected static int	MAX_REMAP_CNT Maximum number of attempts to remap key to the same primary node.
protected Map<KeyCacheObject,ClusterNode>	primaries Primaries per key.
protected boolean	readThrough Read through flag.
protected boolean	recovery Recovery flag.
protected int	remapCnt Remap count.
protected ReadRepairStrategy	strategy Strategy.
protected String	taskName Task name.
protected IgniteInternalTx	tx Tx.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GridNearReadRepairAbstractFuture(AffinityTopologyVersion topVer, GridCacheContext<?,?> ctx, Collection<KeyCacheObject> keys, ReadRepairStrategy strategy, boolean readThrough, String taskName, boolean deserializeBinary, boolean recovery, IgniteCacheExpiryPolicy expiryPlc, IgniteInternalTx tx, GridNearReadRepairAbstractFuture remappedFut) Creates a new instance of GridNearReadRepairAbstractFuture.

Method Summary

Modifier and Type	Method and Description
protected Map<KeyCacheObject,EntryGetResult>	check() Checks consistency.
protected Map<KeyCacheObject,EntryGetResult>	correct(Set<KeyCacheObject> keys) Calculates correct values.
protected Map<KeyCacheObject,EntryGetResult>	correctWithPrimary(Collection<KeyCacheObject> inconsistentKeys)
GridNearReadRepairAbstractFuture	init()
protected void	onResult(IgniteInternalFuture<Map<KeyCacheObject,EntryGetResult>> finished) Collects results of each 'get' future and prepares an overall result of the operation.
protected void	recordConsistencyViolation(Collection<KeyCacheObject> inconsistentKeys, Map<KeyCacheObject,EntryGetResult> repairedEntries)
protected abstract void	reduce() Reduces fut's results.
protected void	remap(AffinityTopologyVersion topVer)
protected abstract GridNearReadRepairAbstractFuture	remapFuture(AffinityTopologyVersion topVer)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

MAX_REMAP_CNT

protected static final int MAX_REMAP_CNT

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

futs

protected final Map<ClusterNode,GridPartitionedGetFuture<KeyCacheObject,EntryGetResult>> futs

Affinity node's get futures.

ctx

protected final GridCacheContext<?,?> ctx

Context.

keys

protected final Collection<KeyCacheObject> keys

Context.

readThrough

protected final boolean readThrough

Read through flag.

taskName

protected final String taskName

Task name.

deserializeBinary

protected final boolean deserializeBinary

Deserialize binary flag.

recovery

protected final boolean recovery

Recovery flag.

expiryPlc

protected final IgniteCacheExpiryPolicy expiryPlc

Expiry policy flag.

tx

protected final IgniteInternalTx tx

Tx.

primaries

protected final Map<KeyCacheObject,ClusterNode> primaries

Primaries per key.

strategy

protected final ReadRepairStrategy strategy

Strategy.

remapCnt

protected final int remapCnt

Remap count.

Constructor Detail

GridNearReadRepairAbstractFuture

protected GridNearReadRepairAbstractFuture(AffinityTopologyVersion topVer,
                                           GridCacheContext<?,?> ctx,
                                           Collection<KeyCacheObject> keys,
                                           ReadRepairStrategy strategy,
                                           boolean readThrough,
                                           String taskName,
                                           boolean deserializeBinary,
                                           boolean recovery,
                                           IgniteCacheExpiryPolicy expiryPlc,
                                           IgniteInternalTx tx,
                                           GridNearReadRepairAbstractFuture remappedFut)

Creates a new instance of GridNearReadRepairAbstractFuture.

Parameters:

topVer - Topology version.

ctx - Cache context.

keys - Keys.

strategy - Read repair strategy.

readThrough - Read-through flag.

taskName - Task name.

deserializeBinary - Deserialize binary flag.

recovery - Partition recovery flag.

expiryPlc - Expiry policy.

tx - Transaction. Can be null in case of atomic cache.

remappedFut - Remapped future.

Method Detail

init

public GridNearReadRepairAbstractFuture init()

remap

protected void remap(AffinityTopologyVersion topVer)

Parameters:

topVer - Topology version.

remapFuture

protected abstract GridNearReadRepairAbstractFuture remapFuture(AffinityTopologyVersion topVer)

Parameters:

topVer - Topology version.

onResult

protected final void onResult(IgniteInternalFuture<Map<KeyCacheObject,EntryGetResult>> finished)

Collects results of each 'get' future and prepares an overall result of the operation.

Parameters:

finished - Future represents a result of GET operation.

reduce

protected abstract void reduce()

Reduces fut's results.

check

protected final Map<KeyCacheObject,EntryGetResult> check()
                                                  throws IgniteCheckedException

Checks consistency.

Returns:

Regular `get` result when data is consistent.

Throws:

IgniteCheckedException

correct

protected Map<KeyCacheObject,EntryGetResult> correct(Set<KeyCacheObject> keys)
                                              throws IgniteCheckedException

Calculates correct values.

Parameters:

keys - Keys.

Returns:

Correctet entries.

Throws:

IgniteCheckedException

correctWithPrimary

protected Map<KeyCacheObject,EntryGetResult> correctWithPrimary(Collection<KeyCacheObject> inconsistentKeys)

recordConsistencyViolation

protected final void recordConsistencyViolation(Collection<KeyCacheObject> inconsistentKeys,
                                                Map<KeyCacheObject,EntryGetResult> repairedEntries)

Parameters:

repairedEntries - Repaired map.