org.apache.ignite.internal.visor.snapshot

Class VisorSnapshotStatusTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<Void,VisorSnapshotTaskResult,VisorSnapshotStatusTask.SnapshotStatus>

org.apache.ignite.internal.visor.snapshot.VisorSnapshotStatusTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<Void>,VisorSnapshotTaskResult>

@GridInternal
public class VisorSnapshotStatusTask
extends VisorMultiNodeTask<Void,VisorSnapshotTaskResult,VisorSnapshotStatusTask.SnapshotStatus>

Task to get the status of the current snapshot operation in the cluster.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VisorSnapshotStatusTask.SnapshotOperation Snapshot operation type.
static class	VisorSnapshotStatusTask.SnapshotStatus Snapshot operation status.

Field Summary

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

debug, ignite, start, taskArg

Constructor Summary

Constructors

Constructor and Description
VisorSnapshotStatusTask()

Method Summary

Modifier and Type	Method and Description
protected VisorJob<Void,VisorSnapshotStatusTask.SnapshotStatus>	job(Void arg)
protected Collection<UUID>	jobNodes(VisorTaskArgument<Void> arg)
protected @Nullable VisorSnapshotTaskResult	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

VisorSnapshotStatusTask

public VisorSnapshotStatusTask()

Method Detail

job

protected VisorJob<Void,VisorSnapshotStatusTask.SnapshotStatus> job(Void arg)

Specified by:

job in class VisorMultiNodeTask<Void,VisorSnapshotTaskResult,VisorSnapshotStatusTask.SnapshotStatus>

Parameters:

arg - Task arg.

Returns:

New job.

jobNodes

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

Overrides:

jobNodes in class VisorMultiNodeTask<Void,VisorSnapshotTaskResult,VisorSnapshotStatusTask.SnapshotStatus>

Returns:

Collection of nodes IDs where jobs should be mapped.

reduce0

@Nullable
protected @Nullable VisorSnapshotTaskResult reduce0(List<ComputeJobResult> results)

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<Void,VisorSnapshotTaskResult,VisorSnapshotStatusTask.SnapshotStatus>

Parameters:

results - Job results.

Returns:

Task result.