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

Class MvccVersionImpl

java.lang.Object

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

All Implemented Interfaces:

Serializable, Comparable<MvccVersion>, MvccVersion, Message

public class MvccVersionImpl
extends Object
implements MvccVersion, Message

Base MVCC version implementation.

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
MvccVersionImpl() Constructor.
MvccVersionImpl(long crdVer, long cntr, int opCntr)

Method Summary

Modifier and Type	Method and Description
long	coordinatorVersion()
long	counter()
short	directType() Gets message type.
boolean	equals(Object o)
byte	fieldsCount() Gets fields count.
int	hashCode()
void	onAckReceived() Method called when ack message received.
int	operationCounter()
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
String	toString()
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.ignite.internal.processors.cache.mvcc.MvccVersion

compareTo

Constructor Detail

MvccVersionImpl

public MvccVersionImpl()

Constructor.

MvccVersionImpl

public MvccVersionImpl(long crdVer,
                       long cntr,
                       int opCntr)

Parameters:

crdVer - Coordinator version.

cntr - Counter.

opCntr - Operation counter.

Method Detail

coordinatorVersion

public long coordinatorVersion()

Specified by:

coordinatorVersion in interface MvccVersion

Returns:

Coordinator version.

counter

public long counter()

Specified by:

counter in interface MvccVersion

Returns:

Local counter.

operationCounter

public int operationCounter()

Specified by:

operationCounter in interface MvccVersion

Returns:

Operation id in scope of current transaction.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

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