Package org.apache.ignite.internal.processors.cache

Class WalStateAckMessage

java.lang.Object

org.apache.ignite.internal.processors.cache.WalStateAckMessage

All Implemented Interfaces:

Serializable, Message

public class WalStateAckMessage
extends Object
implements Message

WAL state ack message (sent from participant node to coordinator).

See Also:

Serialized Form

Field Summary

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

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor	Description
WalStateAckMessage()	Default constructor.
WalStateAckMessage(UUID opId, boolean affNode, boolean changed, @Nullable String errMsg)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	affNode()
boolean	changed()
short	directType()	Gets message type.
@Nullable String	errorMessage()
byte	fieldsCount()	Gets fields count.
void	onAckReceived()	Method called when ack message received.
UUID	operationId()
boolean	readFrom(ByteBuffer buf, MessageReader reader)	Reads this message from provided byte buffer.
UUID	senderNodeId()
void	senderNodeId(UUID sndNodeId)
String	toString()
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

WalStateAckMessage

public WalStateAckMessage()

Default constructor.

WalStateAckMessage

public WalStateAckMessage(UUID opId,
                          boolean affNode,
                          boolean changed,
                          @Nullable
                          @Nullable String errMsg)

Constructor.

Parameters:

opId - Operation ID.

affNode - Affinity node.

changed - Operation result.

errMsg - Error message.

Method Detail

operationId

public UUID operationId()

Returns:

Operation ID.

affNode

public boolean affNode()

Returns:

Affinity node flag.

changed

public boolean changed()

Returns:

Result.

errorMessage

@Nullable
public @Nullable String errorMessage()

Returns:

Error message.

senderNodeId

public UUID senderNodeId()

Returns:

Sender node ID.

senderNodeId

public void senderNodeId(UUID sndNodeId)

Parameters:

sndNodeId - Sender node 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