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

Class GridDhtTxPrepareRequest

java.lang.Object

org.apache.ignite.internal.processors.cache.GridCacheMessage

org.apache.ignite.internal.processors.cache.GridCacheIdMessage

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

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

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

All Implemented Interfaces:

Serializable, GridCacheDeployable, IgniteTxStateAware, GridCacheVersionable, Message

public class GridDhtTxPrepareRequest
extends GridDistributedTxPrepareRequest

DHT prepare request.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.cache.distributed.GridDistributedTxPrepareRequest

QUERY_UPDATE_FLAG_MASK, STORE_WRITE_THROUGH_FLAG_MASK

Fields inherited from class org.apache.ignite.internal.processors.cache.distributed.GridDistributedBaseMessage

ver

Fields inherited from class org.apache.ignite.internal.processors.cache.GridCacheIdMessage

cacheId

Fields inherited from class org.apache.ignite.internal.processors.cache.GridCacheMessage

addDepInfo, CACHE_MSG_INDEX_FIELD_NAME, forceAddDepInfo, MAX_CACHE_MSG_LOOKUP_INDEX

Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor and Description
GridDhtTxPrepareRequest() Empty constructor required for Externalizable.
GridDhtTxPrepareRequest(IgniteUuid futId, int miniId, AffinityTopologyVersion topVer, GridDhtTxLocalAdapter tx, long timeout, Collection<IgniteTxEntry> dhtWrites, Collection<IgniteTxEntry> nearWrites, Map<UUID,Collection<UUID>> txNodes, GridCacheVersion nearXidVer, boolean last, boolean onePhaseCommit, UUID subjId, int taskNameHash, boolean addDepInfo, boolean storeWriteThrough, boolean retVal, MvccSnapshot mvccSnapshot, Collection<PartitionUpdateCountersMessage> updCntrs)

Method Summary

Modifier and Type	Method and Description
short	directType() Gets message type.
byte	fieldsCount() Gets fields count.
void	finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheSharedContext) method.
IgniteUuid	futureId()
boolean	invalidateNearEntry(int idx)
int	miniId()
MvccSnapshot	mvccSnapshot()
UUID	nearNodeId()
Collection<IgniteTxEntry>	nearWrites()
@Nullable List<IgniteTxKey>	nearWritesCacheMissed()
GridCacheVersion	nearXidVersion()
boolean	needPreloadKey(int idx) Checks whether entry info should be sent to primary node from backup.
Map<IgniteTxKey,GridCacheVersion>	owned()
void	owned(IgniteTxKey key, GridCacheVersion ownerMapped) Sets owner and its mapped version.
int	partition()
void	prepareMarshal(GridCacheSharedContext ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
boolean	skipCompletedVersion()
@Nullable UUID	subjectId()
int	taskNameHash()
AffinityTopologyVersion	topologyVersion() Gets topology version or -1 in case of topology version is not required for this message.
String	toString()
@Nullable String	txLabel()
Collection<PartitionUpdateCountersMessage>	updateCounters()
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class org.apache.ignite.internal.processors.cache.distributed.GridDistributedTxPrepareRequest

addDeploymentInfo, addDhtVersion, concurrency, dhtVersions, isInvalidate, isolation, last, messageLogger, needReturnValue, needReturnValue, onePhaseCommit, policy, queryUpdate, queryUpdate, reads, reads, storeWriteThrough, storeWriteThrough, system, threadId, timeout, transactionNodes, txSize, txState, txState, writes, writes, writeVersion

Methods inherited from class org.apache.ignite.internal.processors.cache.distributed.GridDistributedBaseMessage

committedVersions, completedVersions, rolledbackVersions, version, version

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

cacheGroupMessage, cacheId, cacheId, handlerId

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

appendFlag, classError, deployInfo, error, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lastAffinityChangedTopologyVersion, lastAffinityChangedTopologyVersion, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, nextIndexId, onAckReceived, onClassError, partitionExchangeMessage, prepare, prepareMarshalCacheObject, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, prepareObject, transferExpiryPolicy, unmarshalCollection, unmarshalInfo, unmarshalInfos, unmarshalInvokeArguments, unmarshalTx

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.processors.cache.GridCacheDeployable

deployInfo, prepare

Constructor Detail

GridDhtTxPrepareRequest

public GridDhtTxPrepareRequest()

Empty constructor required for Externalizable.

GridDhtTxPrepareRequest

public GridDhtTxPrepareRequest(IgniteUuid futId,
                               int miniId,
                               AffinityTopologyVersion topVer,
                               GridDhtTxLocalAdapter tx,
                               long timeout,
                               Collection<IgniteTxEntry> dhtWrites,
                               Collection<IgniteTxEntry> nearWrites,
                               Map<UUID,Collection<UUID>> txNodes,
                               GridCacheVersion nearXidVer,
                               boolean last,
                               boolean onePhaseCommit,
                               UUID subjId,
                               int taskNameHash,
                               boolean addDepInfo,
                               boolean storeWriteThrough,
                               boolean retVal,
                               MvccSnapshot mvccSnapshot,
                               Collection<PartitionUpdateCountersMessage> updCntrs)

Parameters:

futId - Future ID.

miniId - Mini future ID.

topVer - Topology version.

tx - Transaction.

timeout - Transaction timeout.

dhtWrites - DHT writes.

nearWrites - Near writes.

txNodes - Transaction nodes mapping.

nearXidVer - Near transaction ID.

last - True if this is last prepare request for node.

addDepInfo - Deployment info flag.

storeWriteThrough - Cache store write through flag.

retVal - Need return value flag

mvccSnapshot - Mvcc snapshot.

updCntrs - Update counters for mvcc Tx.

Method Detail

mvccSnapshot

public MvccSnapshot mvccSnapshot()

Returns:

Mvcc info.

updateCounters

public Collection<PartitionUpdateCountersMessage> updateCounters()

Returns:

Update counters list.

nearWritesCacheMissed

@Nullable
public @Nullable List<IgniteTxKey> nearWritesCacheMissed()

Returns:

Near cache writes for which cache was not found (possible if client near cache was closed).

nearXidVersion

public GridCacheVersion nearXidVersion()

Returns:

Near transaction ID.

nearNodeId

public UUID nearNodeId()

Returns:

Near node ID.

subjectId

@Nullable
public @Nullable UUID subjectId()

Returns:

Subject ID.

taskNameHash

public int taskNameHash()

Returns:

Task name hash.

nearWrites

public Collection<IgniteTxEntry> nearWrites()

Returns:

Near writes.

invalidateNearEntry

public boolean invalidateNearEntry(int idx)

Parameters:

idx - Index to get invalidation flag value.

Returns:

Invalidation flag value.

needPreloadKey

public boolean needPreloadKey(int idx)

Checks whether entry info should be sent to primary node from backup.

Parameters:

idx - Index.

Returns:

True if value should be sent, false otherwise.

futureId

public IgniteUuid futureId()

Returns:

Future ID.

miniId

public int miniId()

Returns:

Mini future ID.

topologyVersion

public AffinityTopologyVersion topologyVersion()

Description copied from class: GridCacheMessage

Gets topology version or -1 in case of topology version is not required for this message.

Overrides:

topologyVersion in class GridCacheMessage

Returns:

Topology version.

owned

public void owned(IgniteTxKey key,
                  GridCacheVersion ownerMapped)

Sets owner and its mapped version.

Parameters:

key - Key.

ownerMapped - Owner mapped version.

owned

public Map<IgniteTxKey,GridCacheVersion> owned()

Returns:

Owned versions map.

skipCompletedVersion

public boolean skipCompletedVersion()

Returns:

True if remote tx should skip adding itself to completed versions map on finish.

txLabel

@Nullable
public @Nullable String txLabel()

Returns:

Transaction label.

prepareMarshal

public void prepareMarshal(GridCacheSharedContext ctx)
                    throws IgniteCheckedException

This method is called before the whole message is serialized and is responsible for pre-marshalling state.

Overrides:

prepareMarshal in class GridDistributedTxPrepareRequest

Parameters:

ctx -

Throws:

IgniteCheckedException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheSharedContext ctx,
                            ClassLoader ldr)
                     throws IgniteCheckedException

This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheSharedContext) method.

Overrides:

finishUnmarshal in class GridDistributedTxPrepareRequest

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

IgniteCheckedException - If failed.

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Overrides:

writeTo in class GridDistributedTxPrepareRequest

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf,
                        MessageReader reader)

Reads this message from provided byte buffer.

Specified by:

readFrom in interface Message

Overrides:

readFrom in class GridDistributedTxPrepareRequest

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public short directType()

Gets message type.

Specified by:

directType in interface Message

Overrides:

directType in class GridDistributedTxPrepareRequest

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Overrides:

fieldsCount in class GridDistributedTxPrepareRequest

Returns:

Fields count.

partition

public int partition()

Overrides:

partition in class GridCacheMessage

Returns:

Partition ID this message is targeted to or -1 if it cannot be determined.

toString

public String toString()

Overrides:

toString in class GridDistributedTxPrepareRequest