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

Class GridDistributedLockResponse<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.GridDistributedLockResponse<K,V>

All Implemented Interfaces:

Serializable, Cloneable, GridCacheDeployable, GridCacheVersionable

Direct Known Subclasses:

GridDhtLockResponse, GridNearLockResponse

public class GridDistributedLockResponse<K,V>
extends GridDistributedBaseMessage<K,V>

Lock response message.

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
GridDistributedLockResponse() Empty constructor (required by Externalizable).
GridDistributedLockResponse(GridCacheVersion lockVer, GridUuid futId, int cnt)
GridDistributedLockResponse(GridCacheVersion lockVer, GridUuid futId, int cnt, Throwable err)
GridDistributedLockResponse(GridCacheVersion lockVer, GridUuid futId, Throwable err)

Method Summary

Methods

Modifier and Type	Method and Description
void	addValueBytes(V val, byte[] valBytes, GridCacheContext<K,V> ctx)
GridTcpCommunicationMessageAdapter	clone()
protected void	clone0(GridTcpCommunicationMessageAdapter _msg) Clones all fields of the provided message to this.
byte	directType()
Throwable	error()
void	error(Throwable err)
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	isCurrentlyLocked(int idx)
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)
void	setCandidates(int idx, Collection<GridCacheMvccCandidate<K>> cands, Collection<GridCacheVersion> committedVers, Collection<GridCacheVersion> rolledbackVers)
String	toString()
V	value(int idx)
byte[]	valueBytes(int idx)
protected int	valuesSize()
boolean	writeTo(ByteBuffer buf)

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, topologyVersion, 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

GridDistributedLockResponse

public GridDistributedLockResponse()

Empty constructor (required by Externalizable).

GridDistributedLockResponse

public GridDistributedLockResponse(GridCacheVersion lockVer,
                           GridUuid futId,
                           int cnt)

Parameters:

lockVer - Lock version.

futId - Future ID.

cnt - Key count.

GridDistributedLockResponse

public GridDistributedLockResponse(GridCacheVersion lockVer,
                           GridUuid futId,
                           Throwable err)

Parameters:

lockVer - Lock ID.

futId - Future ID.

err - Error.

GridDistributedLockResponse

public GridDistributedLockResponse(GridCacheVersion lockVer,
                           GridUuid futId,
                           int cnt,
                           Throwable err)

Parameters:

lockVer - Lock ID.

futId - Future ID.

cnt - Count.

err - Error.

Method Detail

futureId

public GridUuid futureId()

Returns:

Future ID.

error

public Throwable error()

Returns:

Error.

error

public void error(Throwable err)

Parameters:

err - Error to set.

isCurrentlyLocked

public boolean isCurrentlyLocked(int idx)

Parameters:

idx - Index of locked flag.

Returns:

Value of locked flag at given index.

setCandidates

public void setCandidates(int idx,
                 Collection<GridCacheMvccCandidate<K>> cands,
                 Collection<GridCacheVersion> committedVers,
                 Collection<GridCacheVersion> rolledbackVers)

Parameters:

idx - Candidates index.

cands - Collection of candidates.

committedVers - Committed versions relative to lock version.

rolledbackVers - Rolled back versions relative to lock version.

valueBytes

@Nullable
public byte[] valueBytes(int idx)

Parameters:

idx - Value index.

Returns:

Value bytes (possibly null).

addValueBytes

public void addValueBytes(V val,
                 @Nullable
                 byte[] valBytes,
                 GridCacheContext<K,V> ctx)
                   throws GridException

Parameters:

val - Value.

valBytes - Value bytes (possibly null).

ctx - Context.

Throws:

GridException - If failed.

valuesSize

protected int valuesSize()

Returns:

Values size.

value

@Nullable
public V value(int idx)

Parameters:

idx - Index.

Returns:

Value for 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 GridDistributedBaseMessage<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 GridDistributedBaseMessage<K,V>

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

GridException - If failed.

clone

public GridTcpCommunicationMessageAdapter clone()

Specified by:

clone in class GridTcpCommunicationMessageAdapter

clone0

protected void clone0(GridTcpCommunicationMessageAdapter _msg)

Clones all fields of the provided message to this.

Overrides:

clone0 in class GridDistributedBaseMessage<K,V>

Parameters:

_msg - Message to clone from.

writeTo

public boolean writeTo(ByteBuffer buf)

Overrides:

writeTo in class GridDistributedBaseMessage<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf)

Overrides:

readFrom in class GridDistributedBaseMessage<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Specified by:

directType in class GridTcpCommunicationMessageAdapter

Returns:

Message type.

toString

public String toString()

Overrides:

toString in class GridDistributedBaseMessage<K,V>