org.apache.ignite.internal.visor.diagnostic.availability

Class VisorConnectivityTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<VisorConnectivityArgs,Map<ClusterNode,VisorConnectivityResult>,VisorConnectivityResult>

org.apache.ignite.internal.visor.diagnostic.availability.VisorConnectivityTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<VisorConnectivityArgs>,Map<ClusterNode,VisorConnectivityResult>>

@GridInternal
public class VisorConnectivityTask
extends VisorMultiNodeTask<VisorConnectivityArgs,Map<ClusterNode,VisorConnectivityResult>,VisorConnectivityResult>

Visor task that checks connectivity status between nodes.

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
VisorConnectivityTask()

Method Summary

Modifier and Type	Method and Description
protected VisorJob<VisorConnectivityArgs,VisorConnectivityResult>	job(VisorConnectivityArgs arg)
protected Collection<UUID>	jobNodes(VisorTaskArgument<VisorConnectivityArgs> arg)
protected @Nullable Map<ClusterNode,VisorConnectivityResult>	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

VisorConnectivityTask

public VisorConnectivityTask()

Method Detail

job

protected VisorJob<VisorConnectivityArgs,VisorConnectivityResult> job(VisorConnectivityArgs arg)

Specified by:

job in class VisorMultiNodeTask<VisorConnectivityArgs,Map<ClusterNode,VisorConnectivityResult>,VisorConnectivityResult>

Parameters:

arg - Task arg.

Returns:

New job.

reduce0

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

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<VisorConnectivityArgs,Map<ClusterNode,VisorConnectivityResult>,VisorConnectivityResult>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.

jobNodes

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

Overrides:

jobNodes in class VisorMultiNodeTask<VisorConnectivityArgs,Map<ClusterNode,VisorConnectivityResult>,VisorConnectivityResult>

Returns:

Collection of nodes IDs where jobs should be mapped.