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

Class GridDistributedTxPrepareResponse<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.GridDistributedTxPrepareResponse<K,V>

All Implemented Interfaces:

Serializable, GridCacheDeployable, GridCacheVersionable

Direct Known Subclasses:

GridDhtTxPrepareResponse, GridNearTxPrepareResponse

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

Response to 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
GridDistributedTxPrepareResponse() Empty constructor (required by Externalizable).
GridDistributedTxPrepareResponse(GridCacheVersion xid)
GridDistributedTxPrepareResponse(GridCacheVersion xid, Throwable err)

Method Summary

Methods

Modifier and Type	Method and Description
void	candidates(Map<K,Collection<GridCacheMvccCandidate<K>>> cands)
Collection<GridCacheMvccCandidate<K>>	candidatesForKey(K key)
byte	directType() Gets message type.
Throwable	error()
void	error(Throwable err)
void	finishUnmarshal(GridCacheSharedContext<K,V> ctx, ClassLoader ldr) This method is called after the message is deserialized and is responsible for unmarshalling state marshalled in GridCacheMessage.prepareMarshal(GridCacheSharedContext) method.
boolean	isRollback()
void	prepareMarshal(GridCacheSharedContext<K,V> ctx) This method is called before the whole message is serialized and is responsible for pre-marshalling state.
boolean	readFrom(ByteBuffer buf) Reads this message from provided byte buffer.
String	toString()
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, ignoreClassErrors, lookupIndex, marshalBooleanLinkedMap, marshalCollection, marshalFilter, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, marshalValuesCollection, messageId, nextIndexId, onClassError, prepare, prepareFilter, prepareObject, prepareObjects, topologyVersion, transactional, transferExpiryPolicy, 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

GridDistributedTxPrepareResponse

public GridDistributedTxPrepareResponse()

Empty constructor (required by Externalizable).

GridDistributedTxPrepareResponse

public GridDistributedTxPrepareResponse(GridCacheVersion xid)

Parameters:

xid - Transaction ID.

GridDistributedTxPrepareResponse

public GridDistributedTxPrepareResponse(GridCacheVersion xid,
                                Throwable err)

Parameters:

xid - Lock ID.

err - Error.

Method Detail

error

public Throwable error()

Returns:

Error.

error

public void error(Throwable err)

Parameters:

err - Error to set.

isRollback

public boolean isRollback()

Returns:

Rollback flag.

candidates

public void candidates(Map<K,Collection<GridCacheMvccCandidate<K>>> cands)

Parameters:

cands - Candidates map to set.

prepareMarshal

public void prepareMarshal(GridCacheSharedContext<K,V> 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<K,V>

Parameters:

ctx -

Throws:

IgniteCheckedException - If failed.

finishUnmarshal

public void finishUnmarshal(GridCacheSharedContext<K,V> 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<K,V>

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

IgniteCheckedException - If failed.

candidatesForKey

@Nullable
public Collection<GridCacheMvccCandidate<K>> candidatesForKey(K key)

Parameters:

key - Candidates key.

Returns:

Collection of lock candidates at given index.

writeTo

public boolean writeTo(ByteBuffer buf,
              MessageWriter writer)

Writes this message to provided byte buffer.

Overrides:

writeTo in class GridDistributedBaseMessage<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 GridDistributedBaseMessage<K,V>

Parameters:

buf - Byte buffer.

Returns:

Whether message was fully read.

directType

public byte directType()

Gets message type.

Specified by:

directType in class MessageAdapter

Returns:

Message type.

toString

public String toString()

Overrides:

toString in class GridDistributedBaseMessage<K,V>