Package org.apache.ignite.internal.management.kill

Class QueryCancelOnInitiatorTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<A,R,R>

org.apache.ignite.internal.visor.VisorOneNodeTask<KillSqlCommandArg,Void>

org.apache.ignite.internal.management.kill.QueryCancelOnInitiatorTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<KillSqlCommandArg>,VisorTaskResult<Void>>

@GridInternal
public class QueryCancelOnInitiatorTask
extends VisorOneNodeTask<KillSqlCommandArg,Void>

Task to cancel queries on initiator node.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ignite.internal.visor.VisorMultiNodeTask

debug, ignite, start, taskArg

Constructor Summary

Constructors

Constructor	Description
QueryCancelOnInitiatorTask()

Method Summary

Modifier and Type	Method	Description
protected org.apache.ignite.internal.management.kill.QueryCancelOnInitiatorTask.CancelQueryOnInitiatorJob	job(KillSqlCommandArg arg)
protected @Nullable Void	reduce0(List<ComputeJobResult> results)	Actual reduce logic.

Methods inherited from class org.apache.ignite.internal.visor.VisorMultiNodeTask

jobNodes, map, map0, reduce, result

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryCancelOnInitiatorTask

public QueryCancelOnInitiatorTask()

Method Detail

job

protected org.apache.ignite.internal.management.kill.QueryCancelOnInitiatorTask.CancelQueryOnInitiatorJob job(KillSqlCommandArg arg)

Specified by:

job in class VisorMultiNodeTask<KillSqlCommandArg,Void,Void>

Parameters:

arg - Task arg.

Returns:

New job.

reduce0

@Nullable
protected @Nullable Void reduce0(List<ComputeJobResult> results)
                          throws IgniteException

Actual reduce logic.

Overrides:

reduce0 in class VisorOneNodeTask<KillSqlCommandArg,Void>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.