org.apache.ignite.internal.visor.query

Class VisorRunningQueriesCollectorTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<VisorRunningQueriesCollectorTaskArg,Map<UUID,Collection<VisorRunningQuery>>,Collection<VisorRunningQuery>>

org.apache.ignite.internal.visor.query.VisorRunningQueriesCollectorTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<VisorRunningQueriesCollectorTaskArg>,Map<UUID,Collection<VisorRunningQuery>>>

@GridInternal
public class VisorRunningQueriesCollectorTask
extends VisorMultiNodeTask<VisorRunningQueriesCollectorTaskArg,Map<UUID,Collection<VisorRunningQuery>>,Collection<VisorRunningQuery>>

Task to collect currently running queries.

See Also:

Serialized Form

Field Summary

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

debug, ignite, start, taskArg

Constructor Summary

Constructors

Constructor and Description
VisorRunningQueriesCollectorTask()

Method Summary

Modifier and Type	Method and Description
protected org.apache.ignite.internal.visor.query.VisorRunningQueriesCollectorTask.VisorCollectRunningQueriesJob	job(VisorRunningQueriesCollectorTaskArg arg)
protected @Nullable Map<UUID,Collection<VisorRunningQuery>>	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

VisorRunningQueriesCollectorTask

public VisorRunningQueriesCollectorTask()

Method Detail

job

protected org.apache.ignite.internal.visor.query.VisorRunningQueriesCollectorTask.VisorCollectRunningQueriesJob job(VisorRunningQueriesCollectorTaskArg arg)

Specified by:

job in class VisorMultiNodeTask<VisorRunningQueriesCollectorTaskArg,Map<UUID,Collection<VisorRunningQuery>>,Collection<VisorRunningQuery>>

Parameters:

arg - Task arg.

Returns:

New job.

reduce0

@Nullable
protected @Nullable Map<UUID,Collection<VisorRunningQuery>> reduce0(List<ComputeJobResult> results)
                                                                       throws IgniteException

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<VisorRunningQueriesCollectorTaskArg,Map<UUID,Collection<VisorRunningQuery>>,Collection<VisorRunningQuery>>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.