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

Class MvccQuerySnapshotRequest

java.lang.Object

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

All Implemented Interfaces:

Serializable, MvccMessage, Message

public class MvccQuerySnapshotRequest
extends Object
implements MvccMessage

Request to get MVCC snapshot for a query.

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
MvccQuerySnapshotRequest() Required by GridIoMessageFactory.
MvccQuerySnapshotRequest(long futId)

Method Summary

Modifier and Type	Method and Description
short	directType() Gets message type.
byte	fieldsCount() Gets fields count.
long	futureId()
void	onAckReceived() Method called when ack message received.
boolean	processedFromNioThread()
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
String	toString()
boolean	waitForCoordinatorInit()
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

MvccQuerySnapshotRequest

public MvccQuerySnapshotRequest()

Required by GridIoMessageFactory.

MvccQuerySnapshotRequest

public MvccQuerySnapshotRequest(long futId)

Parameters:

futId - Future ID.

Method Detail

waitForCoordinatorInit

public boolean waitForCoordinatorInit()

Specified by:

waitForCoordinatorInit in interface MvccMessage

Returns:

True if should wait for coordinator initialization.

processedFromNioThread

public boolean processedFromNioThread()

Specified by:

processedFromNioThread in interface MvccMessage

Returns:

True if message should be processed from NIO thread.

futureId

public long futureId()

Returns:

Future ID.

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