Package 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.GridCacheIdMessage

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

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

All Implemented Interfaces:

Serializable, GridCacheDeployable, IgniteTxStateAware, GridCacheVersionable, Message

Direct Known Subclasses:

GridDhtTxPrepareRequest, GridNearTxPrepareRequest

public class GridDistributedTxPrepareRequest
extends GridDistributedBaseMessage
implements IgniteTxStateAware

Transaction prepare request for optimistic and eventually consistent transactions.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static int	STORE_WRITE_THROUGH_FLAG_MASK

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

ver

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

cacheId

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

addDepInfo, CACHE_MSG_INDEX_FIELD_NAME, forceAddDepInfo, MAX_CACHE_MSG_LOOKUP_INDEX

Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor	Description
GridDistributedTxPrepareRequest()	Required by Externalizable.
GridDistributedTxPrepareRequest(IgniteInternalTx tx, long timeout, @Nullable Collection<IgniteTxEntry> reads, Collection<IgniteTxEntry> writes, Map<UUID,Collection<UUID>> txNodes, boolean retVal, boolean last, boolean onePhaseCommit, boolean addDepInfo)

Method Summary

Modifier and Type	Method	Description
boolean	addDeploymentInfo()	Deployment enabled flag indicates whether deployment info has to be added to this message.
void	addDhtVersion(IgniteTxKey key, @Nullable GridCacheVersion dhtVer)	Adds version to be verified on remote node.
TransactionConcurrency	concurrency()
Map<IgniteTxKey,GridCacheVersion>	dhtVersions()
short	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	last()
IgniteLogger	messageLogger(GridCacheSharedContext<?,?> ctx)
boolean	needReturnValue()
void	needReturnValue(boolean retVal)
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	storeWriteThrough()
void	storeWriteThrough(boolean storeWriteThrough)
boolean	system()
long	threadId()
long	timeout()
String	toString()
Map<UUID,Collection<UUID>>	transactionNodes()
int	txSize()
IgniteTxState	txState()
void	txState(IgniteTxState txState)
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, rolledbackVersions, version, version

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

cacheGroupMessage, cacheId, cacheId, handlerId

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

appendFlag, classError, deployInfo, error, finishUnmarshalCacheObjects, finishUnmarshalCacheObjects, ignoreClassErrors, lastAffinityChangedTopologyVersion, lastAffinityChangedTopologyVersion, lookupIndex, marshalCollection, marshalInfo, marshalInfos, marshalInvokeArguments, marshalTx, messageId, nextIndexId, onAckReceived, onClassError, partition, partitionExchangeMessage, prepare, prepareMarshalCacheObject, prepareMarshalCacheObjects, prepareMarshalCacheObjects, prepareObject, 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

STORE_WRITE_THROUGH_FLAG_MASK

public static final int STORE_WRITE_THROUGH_FLAG_MASK

See Also:

Constant Field Values

Constructor Detail

GridDistributedTxPrepareRequest

public GridDistributedTxPrepareRequest()

Required by Externalizable.

GridDistributedTxPrepareRequest

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

Parameters:

tx - Cache transaction.

timeout - Transactions timeout.

reads - Read entries.

writes - Write entries.

txNodes - Transaction nodes mapping.

retVal - Return value flag.

last - Last request flag.

onePhaseCommit - One phase commit flag.

addDepInfo - Deployment info flag.

Method Detail

needReturnValue

public final boolean needReturnValue()

Returns:

Flag indicating whether transaction needs return value.

needReturnValue

public final void needReturnValue(boolean retVal)

Parameters:

retVal - Need return value.

transactionNodes

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

Returns:

Transaction nodes mapping.

system

public final boolean system()

Returns:

System flag.

storeWriteThrough

public boolean storeWriteThrough()

Returns:

Flag indicating whether transaction use cache store.

storeWriteThrough

public void storeWriteThrough(boolean storeWriteThrough)

Parameters:

storeWriteThrough - Store write through value.

policy

public byte policy()

Returns:

IO policy.

addDhtVersion

public void addDhtVersion(IgniteTxKey key,
                          @Nullable
                          @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.

last

public boolean last()

Returns:

True if this is last prepare request for node.

txState

public IgniteTxState txState()

Specified by:

txState in interface IgniteTxStateAware

Returns:

Transient TX state.

txState

public void txState(IgniteTxState txState)

Specified by:

txState in interface IgniteTxStateAware

Parameters:

txState - Transient TX state.

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 - Cache context.

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.

messageLogger

public IgniteLogger messageLogger(GridCacheSharedContext<?,?> ctx)

Overrides:

messageLogger in class GridCacheMessage

Parameters:

ctx - Context.

Returns:

Logger.

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 short directType()

Gets message type.

Specified by:

directType in interface Message

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Overrides:

fieldsCount in class GridCacheIdMessage

Returns:

Fields count.

toString

public String toString()

Overrides:

toString in class GridDistributedBaseMessage