Package org.apache.ignite.internal

Class GridJobCancelRequest

java.lang.Object

org.apache.ignite.internal.GridJobCancelRequest

All Implemented Interfaces:

Serializable, Message

public class GridJobCancelRequest
extends Object
implements Message

Job cancellation request.

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
GridJobCancelRequest()	No-op constructor to support Externalizable interface.
GridJobCancelRequest(@Nullable IgniteUuid sesId, @Nullable IgniteUuid jobId)
GridJobCancelRequest(@Nullable IgniteUuid sesId, @Nullable IgniteUuid jobId, boolean sys)
GridJobCancelRequest(IgniteUuid sesId)

Method Summary

Modifier and Type	Method	Description
short	directType()	Gets message type.
byte	fieldsCount()	Gets fields count.
@Nullable IgniteUuid	jobId()	Gets session ID of job to be cancelled.
void	onAckReceived()	Method called when ack message received.
boolean	readFrom(ByteBuffer buf, MessageReader reader)	Reads this message from provided byte buffer.
@Nullable IgniteUuid	sessionId()	Gets execution ID of task to be cancelled.
boolean	system()
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

GridJobCancelRequest

public GridJobCancelRequest()

No-op constructor to support Externalizable interface. This constructor is not meant to be used for other purposes.

GridJobCancelRequest

public GridJobCancelRequest(IgniteUuid sesId)

Parameters:

sesId - Task session ID.

GridJobCancelRequest

public GridJobCancelRequest(@Nullable
                            @Nullable IgniteUuid sesId,
                            @Nullable
                            @Nullable IgniteUuid jobId)

Parameters:

sesId - Task session ID.

jobId - Job ID.

GridJobCancelRequest

public GridJobCancelRequest(@Nullable
                            @Nullable IgniteUuid sesId,
                            @Nullable
                            @Nullable IgniteUuid jobId,
                            boolean sys)

Parameters:

sesId - Session ID.

jobId - Job ID.

sys - System flag.

Method Detail

sessionId

@Nullable
public @Nullable IgniteUuid sessionId()

Gets execution ID of task to be cancelled.

Returns:

Execution ID of task to be cancelled.

jobId

@Nullable
public @Nullable IgniteUuid jobId()

Gets session ID of job to be cancelled. If null, then all jobs for the specified task execution ID will be cancelled.

Returns:

Execution ID of job to be cancelled.

system

public boolean system()

Returns:

True if request to cancel is sent out of system when task has already been reduced and further results are no longer interesting.

onAckReceived

public void onAckReceived()

Method called when ack message received.

Specified by:

onAckReceived in interface Message

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.

toString

public String toString()

Overrides:

toString in class Object