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

Class GridDistributedTxPrepareRequest<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.GridDistributedTxPrepareRequest<K,V>

All Implemented Interfaces:

Serializable, GridCacheDeployable, GridCacheVersionable

Direct Known Subclasses:

GridDhtTxPrepareRequest, GridNearTxPrepareRequest

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

Transaction prepare request for optimistic and eventually consistent transactions.

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

Method Summary

Methods

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

GridDistributedTxPrepareRequest

public GridDistributedTxPrepareRequest()

Required by Externalizable.

GridDistributedTxPrepareRequest

public GridDistributedTxPrepareRequest(IgniteInternalTx<K,V> tx,
                               @Nullable
                               Collection<IgniteTxEntry<K,V>> reads,
                               Collection<IgniteTxEntry<K,V>> 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.

addDhtVersion

public void addDhtVersion(IgniteTxKey<K> 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<K>,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<K,V>> reads()

Returns:

Read set.

writes

public Collection<IgniteTxEntry<K,V>> writes()

Returns:

Write entries.

reads

protected void reads(Collection<IgniteTxEntry<K,V>> reads)

Parameters:

reads - Reads.

writes

protected void writes(Collection<IgniteTxEntry<K,V>> 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<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.

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>