org.gridgain.grid.kernal.processors.cache.distributed.dht

Class GridDhtTxPrepareRequest<K,V>

java.lang.Object

org.gridgain.grid.util.direct.GridTcpCommunicationMessageAdapter

org.gridgain.grid.kernal.processors.cache.GridCacheMessage<K,V>

org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedBaseMessage<K,V>

org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedTxPrepareRequest<K,V>

org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtTxPrepareRequest<K,V>

All Implemented Interfaces:

Serializable, Cloneable, GridCacheDeployable, GridCacheVersionable

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

DHT prepare request.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedBaseMessage

ver

Fields inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheMessage

CACHE_MSG_INDEX_FIELD_NAME, MAX_CACHE_MSG_LOOKUP_INDEX

Fields inherited from class org.gridgain.grid.util.direct.GridTcpCommunicationMessageAdapter

BIT_SET_NOT_READ, BOOLEAN_ARR_NOT_READ, BYTE_ARR_LIST_NOT_READ, BYTE_ARR_NOT_READ, CACHE_VER_NOT_READ, CHAR_ARR_NOT_READ, CLOCK_DELTA_VER_NOT_READ, commState, DHT_PART_EXCHANGE_ID_NOT_READ, DOUBLE_ARR_NOT_READ, DR_INT_REQ_ENTRY_NOT_READ, ENUM_NOT_READ, FLOAT_ARR_NOT_READ, GRID_UUID_NOT_READ, INT_ARR_NOT_READ, LONG_ARR_NOT_READ, LONG_LIST_NOT_READ, MSG_NOT_READ, NULL, SHORT_ARR_NOT_READ, STR_NOT_READ, UUID_NOT_READ, VAL_BYTES_NOT_READ

Constructor Summary

Constructors

Constructor and Description
GridDhtTxPrepareRequest() Empty constructor required for Externalizable.
GridDhtTxPrepareRequest(GridUuid futId, GridUuid miniId, long topVer, GridDhtTxLocalAdapter<K,V> tx, Collection<GridCacheTxEntry<K,V>> dhtWrites, Collection<GridCacheTxEntry<K,V>> nearWrites, Object grpLockKey, boolean partLock, Map<UUID,Collection<UUID>> txNodes, GridCacheVersion nearXidVer, boolean last, UUID subjId)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	allowForStartup()
GridTcpCommunicationMessageAdapter	clone()
protected void	clone0(GridTcpCommunicationMessageAdapter _msg) Clones all fields of the provided message to this.
byte	directType()
void	finishUnmarshal(GridCacheContext<K,V> ctx, ClassLoader ldr) This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheContext) method.
GridUuid	futureId()
boolean	invalidateNearEntry(int idx)
void	invalidateNearEntry(int idx, boolean invalidate)
boolean	last()
GridUuid	miniId()
UUID	nearNodeId()
Collection<GridCacheTxEntry<K,V>>	nearWrites()
GridCacheVersion	nearXidVersion()
Map<K,GridCacheVersion>	owned()
void	owned(K key, GridCacheVersion ownerMapped) Sets owner and its mapped version.
void	prepareMarshal(GridCacheContext<K,V> ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf)
UUID	subjectId()
long	topologyVersion() Gets topology version or -1 in case of topology version is not required for this message.
String	toString()
boolean	writeTo(ByteBuffer buf)

Methods inherited from class org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedTxPrepareRequest

addDhtVersion, commitVersion, concurrency, dhtVersions, groupLockKey, isInvalidate, isolation, partitionLock, reads, reads, threadId, timeout, transactionNodes, txSize, writes, writes

Methods inherited from class org.gridgain.grid.kernal.processors.cache.distributed.GridDistributedBaseMessage

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

Methods inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheMessage

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

Methods inherited from class org.gridgain.grid.util.direct.GridTcpCommunicationMessageAdapter

arrayIterator, messageReader, messageWriter

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gridgain.grid.kernal.processors.cache.GridCacheDeployable

deployInfo, prepare

Constructor Detail

GridDhtTxPrepareRequest

public GridDhtTxPrepareRequest()

Empty constructor required for Externalizable.

GridDhtTxPrepareRequest

public GridDhtTxPrepareRequest(GridUuid futId,
                       GridUuid miniId,
                       long topVer,
                       GridDhtTxLocalAdapter<K,V> tx,
                       Collection<GridCacheTxEntry<K,V>> dhtWrites,
                       Collection<GridCacheTxEntry<K,V>> nearWrites,
                       Object grpLockKey,
                       boolean partLock,
                       Map<UUID,Collection<UUID>> txNodes,
                       GridCacheVersion nearXidVer,
                       boolean last,
                       UUID subjId)

Parameters:

futId - Future ID.

miniId - Mini future ID.

topVer - Topology version.

tx - Transaction.

dhtWrites - DHT writes.

nearWrites - Near writes.

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

partLock - True if group-lock transaction locks partition.

txNodes - Transaction nodes mapping.

nearXidVer - Near transaction ID.

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

Method Detail

last

public boolean last()

Returns:

True if this is last prepare request for node.

nearXidVersion

public GridCacheVersion nearXidVersion()

Returns:

Near transaction ID.

allowForStartup

public boolean allowForStartup()

Overrides:

allowForStartup in class GridCacheMessage<K,V>

Returns:

True if this message is preloader message.

nearNodeId

public UUID nearNodeId()

Returns:

Near node ID.

subjectId

@Nullable
public UUID subjectId()

Returns:

Subject ID.

nearWrites

public Collection<GridCacheTxEntry<K,V>> nearWrites()

Returns:

Near writes.

invalidateNearEntry

public void invalidateNearEntry(int idx,
                       boolean invalidate)

Parameters:

idx - Entry index to set invalidation flag.

invalidate - Invalidation flag value.

invalidateNearEntry

public boolean invalidateNearEntry(int idx)

Parameters:

idx - Index to get invalidation flag value.

Returns:

Invalidation flag value.

futureId

public GridUuid futureId()

Returns:

Future ID.

miniId

public GridUuid miniId()

Returns:

Mini future ID.

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.

owned

public void owned(K key,
         GridCacheVersion ownerMapped)

Sets owner and its mapped version.

Parameters:

key - Key.

ownerMapped - Owner mapped version.

owned

public Map<K,GridCacheVersion> owned()

Returns:

Owned versions map.

prepareMarshal

public void prepareMarshal(GridCacheContext<K,V> ctx)
                    throws GridException

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

Overrides:

prepareMarshal in class GridDistributedTxPrepareRequest<K,V>

Parameters:

ctx - Cache context.

Throws:

GridException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheContext<K,V> ctx,
                   ClassLoader ldr)
                     throws GridException

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

Overrides:

finishUnmarshal in class GridDistributedTxPrepareRequest<K,V>

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

GridException - If failed.

toString

public String toString()

Overrides:

toString in class GridDistributedTxPrepareRequest<K,V>

clone

public GridTcpCommunicationMessageAdapter clone()

Overrides:

clone in class GridDistributedTxPrepareRequest<K,V>

clone0

protected void clone0(GridTcpCommunicationMessageAdapter _msg)

Clones all fields of the provided message to this.

Overrides:

clone0 in class GridDistributedTxPrepareRequest<K,V>

Parameters:

_msg - Message to clone from.

writeTo

public boolean writeTo(ByteBuffer buf)

Overrides:

writeTo in class GridDistributedTxPrepareRequest<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf)

Overrides:

readFrom in class GridDistributedTxPrepareRequest<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Overrides:

directType in class GridDistributedTxPrepareRequest<K,V>

Returns:

Message type.