org.apache.ignite.internal.visor.diagnostic

Class VisorPageLocksTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<VisorPageLocksTrackerArgs,Map<ClusterNode,VisorPageLocksResult>,VisorPageLocksResult>

org.apache.ignite.internal.visor.diagnostic.VisorPageLocksTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<VisorPageLocksTrackerArgs>,Map<ClusterNode,VisorPageLocksResult>>

@GridInternal
public class VisorPageLocksTask
extends VisorMultiNodeTask<VisorPageLocksTrackerArgs,Map<ClusterNode,VisorPageLocksResult>,VisorPageLocksResult>

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
VisorPageLocksTask()

Method Summary

Modifier and Type	Method and Description
protected VisorJob<VisorPageLocksTrackerArgs,VisorPageLocksResult>	job(VisorPageLocksTrackerArgs arg)
protected Collection<UUID>	jobNodes(VisorTaskArgument<VisorPageLocksTrackerArgs> arg)
protected @Nullable Map<ClusterNode,VisorPageLocksResult>	reduce0(List<ComputeJobResult> results) Actual reduce logic.

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

map, map0, reduce, result

Methods inherited from class java.lang.Object

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

Constructor Detail

VisorPageLocksTask

public VisorPageLocksTask()

Method Detail

job

protected VisorJob<VisorPageLocksTrackerArgs,VisorPageLocksResult> job(VisorPageLocksTrackerArgs arg)

Specified by:

job in class VisorMultiNodeTask<VisorPageLocksTrackerArgs,Map<ClusterNode,VisorPageLocksResult>,VisorPageLocksResult>

Parameters:

arg - Task arg.

Returns:

New job.

jobNodes

protected Collection<UUID> jobNodes(VisorTaskArgument<VisorPageLocksTrackerArgs> arg)

Overrides:

jobNodes in class VisorMultiNodeTask<VisorPageLocksTrackerArgs,Map<ClusterNode,VisorPageLocksResult>,VisorPageLocksResult>

Returns:

Collection of nodes IDs where jobs should be mapped.

reduce0

@Nullable
protected @Nullable Map<ClusterNode,VisorPageLocksResult> reduce0(List<ComputeJobResult> results)
                                                                     throws IgniteException

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<VisorPageLocksTrackerArgs,Map<ClusterNode,VisorPageLocksResult>,VisorPageLocksResult>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.