org.apache.ignite.internal.processors.cache.mvcc

Class ProbedTx

java.lang.Object

org.apache.ignite.internal.processors.cache.mvcc.ProbedTx

All Implemented Interfaces:

Serializable, Message

public class ProbedTx
extends Object
implements Message

Contains attributes of tx visited during deadlock detection.

See Also:

Serialized Form

Field Summary

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

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor and Description
ProbedTx()
ProbedTx(UUID nodeId, GridCacheVersion xidVer, GridCacheVersion nearXidVer, long startTime, int lockCntr)

Method Summary

Modifier and Type	Method and Description
short	directType() Gets message type.
byte	fieldsCount() Gets fields count.
int	lockCounter()
GridCacheVersion	nearXidVersion()
UUID	nodeId()
void	onAckReceived() Method called when ack message received.
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
long	startTime()
String	toString()
ProbedTx	withStartTime(long updStartTime) Creates a copy of this instance with modified transaction start time.
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.
GridCacheVersion	xidVersion()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ProbedTx

public ProbedTx()

ProbedTx

public ProbedTx(UUID nodeId,
                GridCacheVersion xidVer,
                GridCacheVersion nearXidVer,
                long startTime,
                int lockCntr)

Parameters:

nodeId - Node on which probed transaction runs.

xidVer - Identifier of transaction.

nearXidVer - Identifier of near transaction.

startTime - Transaction start time.

lockCntr - Number of locks acquired by probed transaction at a time of probe handling.

Method Detail

nodeId

public UUID nodeId()

Returns:

Node on which probed transaction runs.

xidVersion

public GridCacheVersion xidVersion()

Returns:

Identifier of transaction.

nearXidVersion

public GridCacheVersion nearXidVersion()

Returns:

Identifier of near transaction.

startTime

public long startTime()

Returns:

Transaction start time.

lockCounter

public int lockCounter()

Returns:

Number of locks acquired by probed transaction at a time of probe handling.

withStartTime

public ProbedTx withStartTime(long updStartTime)

Creates a copy of this instance with modified transaction start time.

Parameters:

updStartTime - New start time value.

Returns:

Instance with updated start time.

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

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

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

Returns:

Fields count.

onAckReceived

public void onAckReceived()

Method called when ack message received.

Specified by:

onAckReceived in interface Message

toString

public String toString()

Overrides:

toString in class Object