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

Modifier and Type	Field and Description
static C1<Collection<UUID>,UUIDCollectionMessage>	COL_TO_MSG Collection to message converter.
static C1<UUIDCollectionMessage,Collection<UUID>>	MSG_TO_COL Message to collection converter.
static IgniteProductVersion	TX_NODES_DIRECT_MARSHALLABLE_SINCE Version in which direct marshalling of tx nodes was introduced.

Fields inherited from class org.apache.ignite.internal.processors.cache.distributed.GridDistributedBaseMessage

ver

Fields inherited from class org.apache.ignite.internal.processors.cache.GridCacheMessage

addDepInfo, CACHE_MSG_INDEX_FIELD_NAME, cacheId, forceAddDepInfo, MAX_CACHE_MSG_LOOKUP_INDEX

Constructor Summary

Constructors

Constructor and Description
GridDistributedTxPrepareRequest() Required by Externalizable.
GridDistributedTxPrepareRequest(IgniteInternalTx tx, Collection<IgniteTxEntry> reads, Collection<IgniteTxEntry> writes, Map<UUID,Collection<UUID>> txNodes, boolean onePhaseCommit, boolean addDepInfo)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addDeploymentInfo() Deployment enabled flag indicates whether deployment info has to be added to this message.
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.
boolean	isInvalidate()
TransactionIsolation	isolation()
boolean	onePhaseCommit()
byte	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

committedVersions, completedVersions, keysCount, rolledbackVersions, version, version

Methods inherited from class org.apache.ignite.internal.processors.cache.GridCacheMessage

cacheId, cacheId, classError, deployInfo, error, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, nextIndexId, onAckReceived, onClassError, partitionExchangeMessage, prepare, prepareMarshalCacheObject, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, topologyVersion, transferExpiryPolicy, 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

Field Detail

TX_NODES_DIRECT_MARSHALLABLE_SINCE

public static final IgniteProductVersion TX_NODES_DIRECT_MARSHALLABLE_SINCE

Version in which direct marshalling of tx nodes was introduced.

COL_TO_MSG

public static final C1<Collection<UUID>,UUIDCollectionMessage> COL_TO_MSG

Collection to message converter.

MSG_TO_COL

public static final C1<UUIDCollectionMessage,Collection<UUID>> MSG_TO_COL

Message to collection converter.

Constructor Detail

GridDistributedTxPrepareRequest

public GridDistributedTxPrepareRequest()

Required by Externalizable.

GridDistributedTxPrepareRequest

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

Parameters:

tx - Cache transaction.

reads - Read entries.

writes - Write entries.

txNodes - Transaction nodes mapping.

onePhaseCommit - One phase commit flag.

addDepInfo - Deployment info flag.

Method Detail

transactionNodes

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

Returns:

Transaction nodes mapping.

system

public boolean system()

Returns:

System flag.

policy

public byte 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.

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 GridCacheMessage

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 GridCacheMessage

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

IgniteCheckedException - If failed.

addDeploymentInfo

public boolean addDeploymentInfo()

Deployment enabled flag indicates whether deployment info has to be added to this message.

Overrides:

addDeploymentInfo in class GridDistributedBaseMessage

Returns:

true or if deployment info must be added to the the message, false otherwise.

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