Package org.apache.ignite.internal.management.diagnostic

Class PageLocksTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<DiagnosticPagelocksCommandArg,Map<ClusterNode,PageLocksResult>,PageLocksResult>

org.apache.ignite.internal.management.diagnostic.PageLocksTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<DiagnosticPagelocksCommandArg>,VisorTaskResult<Map<ClusterNode,PageLocksResult>>>

@GridInternal
public class PageLocksTask
extends VisorMultiNodeTask<DiagnosticPagelocksCommandArg,Map<ClusterNode,PageLocksResult>,PageLocksResult>

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
PageLocksTask()

Method Summary

Modifier and Type	Method	Description
protected VisorJob<DiagnosticPagelocksCommandArg,PageLocksResult>	job(DiagnosticPagelocksCommandArg arg)
protected @Nullable Map<ClusterNode,PageLocksResult>	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

PageLocksTask

public PageLocksTask()

Method Detail

job

protected VisorJob<DiagnosticPagelocksCommandArg,PageLocksResult> job(DiagnosticPagelocksCommandArg arg)

Specified by:

job in class VisorMultiNodeTask<DiagnosticPagelocksCommandArg,Map<ClusterNode,PageLocksResult>,PageLocksResult>

Parameters:

arg - Task arg.

Returns:

New job.

reduce0

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

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<DiagnosticPagelocksCommandArg,Map<ClusterNode,PageLocksResult>,PageLocksResult>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.