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

Class GridDistributedTxPrepareRequest

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.GridDistributedTxPrepareRequest

All Implemented Interfaces:

Serializable, GridCacheDeployable, GridCacheVersionable, Message

Direct Known Subclasses:

GridDhtTxPrepareRequest, GridNearTxPrepareRequest

public class GridDistributedTxPrepareRequest
extends GridDistributedBaseMessage

Transaction prepare request for optimistic and eventually consistent transactions.

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
GridDistributedTxPrepareRequest() Required by Externalizable.
GridDistributedTxPrepareRequest(IgniteInternalTx tx, Collection<IgniteTxEntry> reads, Collection<IgniteTxEntry> writes, IgniteTxKey grpLockKey, boolean partLock, Map<UUID,Collection<UUID>> txNodes, boolean onePhaseCommit)

Method Summary

Methods

Modifier and Type	Method and Description
void	addDhtVersion(IgniteTxKey key, GridCacheVersion dhtVer) Adds version to be verified on remote node.
TransactionConcurrency	concurrency()
Map<IgniteTxKey,GridCacheVersion>	dhtVersions()
byte	directType() Gets message type.
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.
IgniteTxKey	groupLockKey()
boolean	isInvalidate()
TransactionIsolation	isolation()
boolean	onePhaseCommit()
boolean	partitionLock()
GridIoPolicy	policy()
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.
Collection<IgniteTxEntry>	reads()
protected void	reads(Collection<IgniteTxEntry> reads)
boolean	system()
long	threadId()
long	timeout()
String	toString()
Map<UUID,Collection<UUID>>	transactionNodes()
int	txSize()
Collection<IgniteTxEntry>	writes()
protected void	writes(Collection<IgniteTxEntry> writes)
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.
GridCacheVersion	writeVersion()

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

GridDistributedTxPrepareRequest

public GridDistributedTxPrepareRequest()

Required by Externalizable.

GridDistributedTxPrepareRequest

public GridDistributedTxPrepareRequest(IgniteInternalTx tx,
                               @Nullable
                               Collection<IgniteTxEntry> reads,
                               Collection<IgniteTxEntry> writes,
                               IgniteTxKey grpLockKey,
                               boolean partLock,
                               Map<UUID,Collection<UUID>> txNodes,
                               boolean onePhaseCommit)

Parameters:

tx - Cache transaction.

reads - Read entries.

writes - Write entries.

grpLockKey - Group lock key.

partLock - True if preparing group-lock transaction with partition lock.

txNodes - Transaction nodes mapping.

onePhaseCommit - One phase commit flag.

Method Detail

transactionNodes

public Map<UUID,Collection<UUID>> transactionNodes()

Returns:

Transaction nodes mapping.

system

public boolean system()

Returns:

System flag.

policy

public GridIoPolicy policy()

Returns:

IO policy.

addDhtVersion

public void addDhtVersion(IgniteTxKey key,
                 @Nullable
                 GridCacheVersion dhtVer)

Adds version to be verified on remote node.

Parameters:

key - Key for which version is verified.

dhtVer - DHT version to check.

dhtVersions

public Map<IgniteTxKey,GridCacheVersion> dhtVersions()

Returns:

Map of versions to be verified.

threadId

public long threadId()

Returns:

Thread ID.

writeVersion

public GridCacheVersion writeVersion()

Returns:

Commit version.

isInvalidate

public boolean isInvalidate()

Returns:

Invalidate flag.

timeout

public long timeout()

Returns:

Transaction timeout.

concurrency

public TransactionConcurrency concurrency()

Returns:

Concurrency.

isolation

public TransactionIsolation isolation()

Returns:

Isolation level.

reads

public Collection<IgniteTxEntry> reads()

Returns:

Read set.

writes

public Collection<IgniteTxEntry> writes()

Returns:

Write entries.

reads

protected void reads(Collection<IgniteTxEntry> reads)

Parameters:

reads - Reads.

writes

protected void writes(Collection<IgniteTxEntry> writes)

Parameters:

writes - Writes.

groupLockKey

@Nullable
public IgniteTxKey groupLockKey()

Returns:

Group lock key if preparing group-lock transaction.

partitionLock

public boolean partitionLock()

Returns:

True if preparing group-lock transaction with partition lock.

txSize

public int txSize()

Returns:

Expected transaction size.

onePhaseCommit

public boolean onePhaseCommit()

Returns:

One phase commit flag.

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