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

Class GridNearTxPrepareRequest

java.lang.Object

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

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

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

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

All Implemented Interfaces:

Serializable, GridCacheDeployable, GridCacheVersionable, Message

public class GridNearTxPrepareRequest
extends GridDistributedTxPrepareRequest

Near transaction prepare request.

See Also:

Serialized Form

Field Summary

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

ver

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

CACHE_MSG_INDEX_FIELD_NAME, cacheId, MAX_CACHE_MSG_LOOKUP_INDEX

Constructor Summary

Constructors

Constructor and Description
GridNearTxPrepareRequest() Empty constructor required for Externalizable.
GridNearTxPrepareRequest(IgniteUuid futId, AffinityTopologyVersion topVer, IgniteInternalTx tx, Collection<IgniteTxEntry> reads, Collection<IgniteTxEntry> writes, boolean near, Map<UUID,Collection<UUID>> txNodes, boolean last, Collection<UUID> lastBackups, boolean onePhaseCommit, boolean retVal, boolean implicitSingle, boolean explicitLock, UUID subjId, int taskNameHash, boolean firstClientReq)

Method Summary

Methods

Modifier and Type	Method and Description
void	cloneEntries()
byte	directType() Gets message type.
boolean	explicitLock()
byte	fieldsCount() Gets fields count.
boolean	firstClientRequest()
IgniteUuid	futureId()
boolean	implicitSingle()
boolean	last()
Collection<UUID>	lastBackups()
IgniteUuid	miniId()
void	miniId(IgniteUuid miniId)
boolean	near()
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
boolean	returnValue()
UUID	subjectId()
int	taskNameHash()
AffinityTopologyVersion	topologyVersion() Gets topology version or -1 in case of topology version is not required for this message.
String	toString()
protected boolean	transferExpiryPolicy()
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

addDhtVersion, concurrency, dhtVersions, finishUnmarshal, isInvalidate, isolation, onePhaseCommit, policy, prepareMarshal, reads, reads, system, threadId, timeout, transactionNodes, txSize, writes, writes, writeVersion

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

candidatesByIndex, candidatesByIndex, committedVersions, completedVersions, keysCount, rolledbackVersions, version, version

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

allowForStartup, cacheId, cacheId, classError, deployInfo, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, nextIndexId, onClassError, partitionExchangeMessage, prepare, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, 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

GridNearTxPrepareRequest

public GridNearTxPrepareRequest()

Empty constructor required for Externalizable.

GridNearTxPrepareRequest

public GridNearTxPrepareRequest(IgniteUuid futId,
                        AffinityTopologyVersion topVer,
                        IgniteInternalTx tx,
                        Collection<IgniteTxEntry> reads,
                        Collection<IgniteTxEntry> writes,
                        boolean near,
                        Map<UUID,Collection<UUID>> txNodes,
                        boolean last,
                        Collection<UUID> lastBackups,
                        boolean onePhaseCommit,
                        boolean retVal,
                        boolean implicitSingle,
                        boolean explicitLock,
                        @Nullable
                        UUID subjId,
                        int taskNameHash,
                        boolean firstClientReq)

Parameters:

futId - Future ID.

topVer - Topology version.

tx - Transaction.

reads - Read entries.

writes - Write entries.

near - True if mapping is for near caches.

txNodes - Transaction nodes mapping.

last - True if this last prepare request for node.

lastBackups - IDs of backup nodes receiving last prepare request during this prepare.

onePhaseCommit - One phase commit flag.

retVal - Return value flag.

implicitSingle - Implicit single flag.

explicitLock - Explicit lock flag.

subjId - Subject ID.

taskNameHash - Task name hash.

firstClientReq - True if first optimistic tx prepare request sent from client node.

Method Detail

firstClientRequest

public boolean firstClientRequest()

Returns:

True if first optimistic tx prepare request sent from client node.

lastBackups

public Collection<UUID> lastBackups()

Returns:

IDs of backup nodes receiving last prepare request during this prepare.

last

public boolean last()

Returns:

True if this last prepare request for node.

near

public boolean near()

Returns:

True if mapping is for near-enabled caches.

futureId

public IgniteUuid futureId()

Returns:

Future ID.

miniId

public IgniteUuid miniId()

Returns:

Mini future ID.

miniId

public void miniId(IgniteUuid miniId)

Parameters:

miniId - Mini future ID.

subjectId

@Nullable
public UUID subjectId()

Returns:

Subject ID.

taskNameHash

public int taskNameHash()

Returns:

Task name hash.

returnValue

public boolean returnValue()

Returns:

Whether return value is requested.

implicitSingle

public boolean implicitSingle()

Returns:

Implicit single flag.

explicitLock

public boolean explicitLock()

Returns:

Explicit lock flag.

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.

cloneEntries

public void cloneEntries()

transferExpiryPolicy

protected boolean transferExpiryPolicy()

Overrides:

transferExpiryPolicy in class GridCacheMessage

Returns:

True if entries expire policy should be marshalled.

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 byte 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.

toString

public String toString()

Overrides:

toString in class GridDistributedTxPrepareRequest