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

Class GridDistributedLockResponse

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.GridDistributedLockResponse

All Implemented Interfaces:

Serializable, GridCacheDeployable, GridCacheVersionable, Message

Direct Known Subclasses:

GridDhtLockResponse, GridNearLockResponse

public class GridDistributedLockResponse
extends GridDistributedBaseMessage

Lock response message.

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

Method Summary

Methods

Modifier and Type	Method and Description
void	addValue(CacheObject val)
byte	directType() Gets message type.
Throwable	error()
void	error(Throwable err)
byte	fieldsCount() Gets fields count.
void	finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheSharedContext) method.
IgniteUuid	futureId()
boolean	isCurrentlyLocked(int idx)
void	prepareMarshal(GridCacheSharedContext ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
void	setCandidates(int idx, Collection<GridCacheMvccCandidate> cands, Collection<GridCacheVersion> committedVers, Collection<GridCacheVersion> rolledbackVers)
String	toString()
CacheObject	value(int idx)
protected int	valuesSize()
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

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, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lookupIndex, marshalBooleanLinkedMap, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, nextIndexId, onClassError, prepare, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, topologyVersion, transferExpiryPolicy, unmarshalBooleanLinkedMap, 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

GridDistributedLockResponse

public GridDistributedLockResponse()

Empty constructor (required by Externalizable).

GridDistributedLockResponse

public GridDistributedLockResponse(int cacheId,
                           GridCacheVersion lockVer,
                           IgniteUuid futId,
                           int cnt)

Parameters:

cacheId - Cache ID.

lockVer - Lock version.

futId - Future ID.

cnt - Key count.

GridDistributedLockResponse

public GridDistributedLockResponse(int cacheId,
                           GridCacheVersion lockVer,
                           IgniteUuid futId,
                           Throwable err)

Parameters:

cacheId - Cache ID.

lockVer - Lock ID.

futId - Future ID.

err - Error.

GridDistributedLockResponse

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

Parameters:

cacheId - Cache ID.

lockVer - Lock ID.

futId - Future ID.

cnt - Count.

err - Error.

Method Detail

futureId

public IgniteUuid 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> 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.

addValue

public void addValue(CacheObject val)

Parameters:

val - Value.

valuesSize

protected int valuesSize()

Returns:

Values size.

value

@Nullable
public CacheObject value(int idx)

Parameters:

idx - Index.

Returns:

Value for given index.

prepareMarshal

public void prepareMarshal(GridCacheSharedContext ctx)
                    throws IgniteCheckedException

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

Overrides:

prepareMarshal in class GridDistributedBaseMessage

Parameters:

ctx -

Throws:

IgniteCheckedException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheSharedContext ctx,
                   ClassLoader ldr)
                     throws IgniteCheckedException

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

Overrides:

finishUnmarshal in class GridDistributedBaseMessage

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

IgniteCheckedException - If failed.

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 GridDistributedBaseMessage

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 GridDistributedBaseMessage

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public byte directType()

Gets message type.

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Returns:

Fields count.

toString

public String toString()

Overrides:

toString in class GridDistributedBaseMessage