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

Class GridNearLockRequest<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.GridDistributedLockRequest<K,V>

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

All Implemented Interfaces:

Serializable, Cloneable, GridCacheDeployable, GridCacheVersionable

public class GridNearLockRequest<K,V>
extends GridDistributedLockRequest<K,V>

Near cache lock request.

See Also:

Serialized Form

Field Summary

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

idx

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
GridNearLockRequest() Empty constructor required for Externalizable.
GridNearLockRequest(long topVer, UUID nodeId, long threadId, GridUuid futId, GridCacheVersion lockVer, boolean isInTx, boolean implicitTx, boolean implicitSingleTx, boolean isRead, GridCacheTxIsolation isolation, boolean isInvalidate, long timeout, boolean syncCommit, boolean syncRollback, int keyCnt, int txSize, Object grpLockKey, boolean partLock, UUID subjId)

Method Summary

Methods

Modifier and Type	Method and Description
void	addKeyBytes(K key, byte[] keyBytes, boolean retVal, GridCacheVersion dhtVer, GridCacheTxEntry<K,V> writeEntry, GridCacheVersion drVer, GridCacheContext<K,V> ctx) Adds a key.
GridTcpCommunicationMessageAdapter	clone()
protected void	clone0(GridTcpCommunicationMessageAdapter _msg) Clones all fields of the provided message to this.
GridCacheVersion	dhtVersion(int idx)
byte	directType()
GridPredicate<GridCacheEntry<K,V>>[]	filter()
void	filter(GridPredicate<GridCacheEntry<K,V>>[] filter, GridCacheContext<K,V> ctx)
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.
boolean	implicitSingleTx()
boolean	implicitTx()
GridUuid	miniId()
void	miniId(GridUuid miniId)
boolean	onePhaseCommit()
void	onePhaseCommit(boolean onePhaseCommit)
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()
boolean	syncCommit()
boolean	syncRollback()
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.GridDistributedLockRequest

addKeyBytes, drVersionByIndex, drVersionByIndex, drVersions, futureId, groupLock, groupLockKey, inTx, isInvalidate, isolation, keyBytes, keys, nearXidVersion, nodeId, partitionLock, returnFlags, returnValue, threadId, timeout, txRead, txSize, writeEntries

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

allowForStartup, 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

GridNearLockRequest

public GridNearLockRequest()

Empty constructor required for Externalizable.

GridNearLockRequest

public GridNearLockRequest(long topVer,
                   UUID nodeId,
                   long threadId,
                   GridUuid futId,
                   GridCacheVersion lockVer,
                   boolean isInTx,
                   boolean implicitTx,
                   boolean implicitSingleTx,
                   boolean isRead,
                   GridCacheTxIsolation isolation,
                   boolean isInvalidate,
                   long timeout,
                   boolean syncCommit,
                   boolean syncRollback,
                   int keyCnt,
                   int txSize,
                   @Nullable
                   Object grpLockKey,
                   boolean partLock,
                   @Nullable
                   UUID subjId)

Parameters:

topVer - Topology version.

nodeId - Node ID.

threadId - Thread ID.

futId - Future ID.

lockVer - Cache version.

isInTx - True if implicit transaction lock.

implicitTx - Flag to indicate that transaction is implicit.

implicitSingleTx - Implicit-transaction-with-one-key flag.

isRead - Indicates whether implicit lock is for read or write operation.

isolation - Transaction isolation.

isInvalidate - Invalidation flag.

timeout - Lock timeout.

syncCommit - Synchronous commit flag.

syncRollback - Synchronous rollback flag.

keyCnt - Number of keys.

txSize - Expected transaction size.

grpLockKey - Group lock key if this is a group-lock transaction.

partLock - If partition is locked.

Method Detail

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.

subjectId

public UUID subjectId()

Returns:

Subject ID.

implicitTx

public boolean implicitTx()

Returns:

Implicit transaction flag.

implicitSingleTx

public boolean implicitSingleTx()

Returns:

Implicit-transaction-with-one-key flag.

onePhaseCommit

public boolean onePhaseCommit()

Returns:

One phase commit flag.

onePhaseCommit

public void onePhaseCommit(boolean onePhaseCommit)

Parameters:

onePhaseCommit - One phase commit flag.

filter

public GridPredicate<GridCacheEntry<K,V>>[] filter()

Returns:

Filter.

filter

public void filter(GridPredicate<GridCacheEntry<K,V>>[] filter,
          GridCacheContext<K,V> ctx)
            throws GridException

Parameters:

filter - Filter.

ctx - Context.

Throws:

GridException - If failed.

syncCommit

public boolean syncCommit()

Returns:

Synchronous commit flag.

syncRollback

public boolean syncRollback()

Returns:

Synchronous rollback flag.

miniId

public GridUuid miniId()

Returns:

Mini future ID.

miniId

public void miniId(GridUuid miniId)

Parameters:

miniId - Mini future Id.

addKeyBytes

public void addKeyBytes(K key,
               byte[] keyBytes,
               boolean retVal,
               @Nullable
               GridCacheVersion dhtVer,
               @Nullable
               GridCacheTxEntry<K,V> writeEntry,
               @Nullable
               GridCacheVersion drVer,
               GridCacheContext<K,V> ctx)
                 throws GridException

Adds a key.

Parameters:

key - Key.

retVal - Flag indicating whether value should be returned.

keyBytes - Key bytes.

dhtVer - DHT version.

writeEntry - Write entry if implicit transaction mapped on one node.

drVer - DR version.

ctx - Context.

Throws:

GridException - If failed.

dhtVersion

public GridCacheVersion dhtVersion(int idx)

Parameters:

idx - Index of the key.

Returns:

DHT version for key at given index.

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 GridDistributedLockRequest<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 GridDistributedLockRequest<K,V>

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

GridException - If failed.

clone

public GridTcpCommunicationMessageAdapter clone()

Overrides:

clone in class GridDistributedLockRequest<K,V>

clone0

protected void clone0(GridTcpCommunicationMessageAdapter _msg)

Clones all fields of the provided message to this.

Overrides:

clone0 in class GridDistributedLockRequest<K,V>

Parameters:

_msg - Message to clone from.

writeTo

public boolean writeTo(ByteBuffer buf)

Overrides:

writeTo in class GridDistributedLockRequest<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf)

Overrides:

readFrom in class GridDistributedLockRequest<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Overrides:

directType in class GridDistributedLockRequest<K,V>

Returns:

Message type.

toString

public String toString()

Overrides:

toString in class GridDistributedLockRequest<K,V>