org.apache.ignite.internal.visor.systemview

Class VisorSystemViewTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<VisorSystemViewTaskArg,VisorSystemViewTaskResult,VisorSystemViewTaskResult>

org.apache.ignite.internal.visor.systemview.VisorSystemViewTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<VisorSystemViewTaskArg>,VisorSystemViewTaskResult>

@GridInternal
 @GridVisorManagementTask
public class VisorSystemViewTask
extends VisorMultiNodeTask<VisorSystemViewTaskArg,VisorSystemViewTaskResult,VisorSystemViewTaskResult>

Reperesents visor task for obtaining system view content.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VisorSystemViewTask.SimpleType Represents lightweight type descriptors.

Field Summary

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

debug, ignite, start, taskArg

Constructor Summary

Constructors

Constructor and Description
VisorSystemViewTask()

Method Summary

Modifier and Type	Method and Description
protected VisorJob<VisorSystemViewTaskArg,VisorSystemViewTaskResult>	job(VisorSystemViewTaskArg arg)
protected @Nullable VisorSystemViewTaskResult	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

VisorSystemViewTask

public VisorSystemViewTask()

Method Detail

job

protected VisorJob<VisorSystemViewTaskArg,VisorSystemViewTaskResult> job(VisorSystemViewTaskArg arg)

Specified by:

job in class VisorMultiNodeTask<VisorSystemViewTaskArg,VisorSystemViewTaskResult,VisorSystemViewTaskResult>

Parameters:

arg - Task arg.

Returns:

New job.

reduce0

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

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<VisorSystemViewTaskArg,VisorSystemViewTaskResult,VisorSystemViewTaskResult>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.