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

Class GridNearTxPrepareRequest<K,V>

java.lang.Object

org.apache.ignite.plugin.extensions.communication.MessageAdapter

org.apache.ignite.internal.processors.cache.GridCacheMessage<K,V>

org.apache.ignite.internal.processors.cache.distributed.GridDistributedBaseMessage<K,V>

org.apache.ignite.internal.processors.cache.distributed.GridDistributedTxPrepareRequest<K,V>

org.apache.ignite.internal.processors.cache.distributed.near.GridNearTxPrepareRequest<K,V>

All Implemented Interfaces:

Serializable, GridCacheDeployable, GridCacheVersionable

public class GridNearTxPrepareRequest<K,V>
extends GridDistributedTxPrepareRequest<K,V>

Near transaction prepare request.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.plugin.extensions.communication.MessageAdapter

MessageAdapter.Type

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

Fields inherited from class org.apache.ignite.plugin.extensions.communication.MessageAdapter

reader, readState

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
void	cloneEntries()
byte	directType() Gets message type.
IgniteUuid	futureId()
boolean	implicitSingle()
boolean	last()
Collection<UUID>	lastBackups()
IgniteUuid	miniId()
void	miniId(IgniteUuid miniId)
boolean	near()
boolean	readFrom(ByteBuffer buf) Reads this message from provided byte buffer.
boolean	returnValue()
UUID	subjectId()
int	taskNameHash()
long	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, groupLockKey, isInvalidate, isolation, onePhaseCommit, partitionLock, 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, candidatesByKey, candidatesByKey, candidatesByKey, committedVersions, completedVersions, keysCount, rolledbackVersions, version, version

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

allowForStartup, cacheId, cacheId, classError, deployInfo, ignoreClassErrors, lookupIndex, marshalBooleanLinkedMap, marshalCollection, marshalFilter, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, marshalValuesCollection, messageId, nextIndexId, onClassError, prepare, prepareFilter, prepareObject, prepareObjects, transactional, unmarshalBooleanLinkedMap, unmarshalCollection, unmarshalFilter, unmarshalInfo, unmarshalInfos, unmarshalInvokeArguments, unmarshalTx, unmarshalValueBytesCollection

Methods inherited from class org.apache.ignite.plugin.extensions.communication.MessageAdapter

setReader, skipRecovery

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,
                        long topVer,
                        IgniteInternalTx<K,V> tx,
                        Collection<IgniteTxEntry<K,V>> reads,
                        Collection<IgniteTxEntry<K,V>> writes,
                        IgniteTxKey grpLockKey,
                        boolean partLock,
                        boolean near,
                        Map<UUID,Collection<UUID>> txNodes,
                        boolean last,
                        Collection<UUID> lastBackups,
                        boolean onePhaseCommit,
                        boolean retVal,
                        boolean implicitSingle,
                        @Nullable
                        UUID subjId,
                        int taskNameHash)

Parameters:

futId - Future ID.

topVer - Topology version.

tx - Transaction.

reads - Read entries.

writes - Write entries.

grpLockKey - Group lock key if preparing group-lock transaction.

partLock - True if preparing group-lock transaction with partition lock.

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.

subjId - Subject ID.

taskNameHash - Task name hash.

Method Detail

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.

topologyVersion

public long 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<K,V>

Returns:

Topology version.

cloneEntries

public void cloneEntries()

transferExpiryPolicy

protected boolean transferExpiryPolicy()

Overrides:

transferExpiryPolicy in class GridCacheMessage<K,V>

Returns:

True if entries expire policy should be marshalled.

writeTo

public boolean writeTo(ByteBuffer buf,
              MessageWriter writer)

Writes this message to provided byte buffer.

Overrides:

writeTo in class GridDistributedTxPrepareRequest<K,V>

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf)

Reads this message from provided byte buffer.

Overrides:

readFrom in class GridDistributedTxPrepareRequest<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Gets message type.

Overrides:

directType in class GridDistributedTxPrepareRequest<K,V>

Returns:

Message type.

toString

public String toString()

Overrides:

toString in class GridDistributedTxPrepareRequest<K,V>