Package org.apache.ignite.internal.management.cache

Class FindAndDeleteGarbageInPersistenceTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceTaskResult,FindAndDeleteGarbageInPersistenceJobResult>

org.apache.ignite.internal.management.cache.FindAndDeleteGarbageInPersistenceTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<CacheFindGarbageCommandArg>,VisorTaskResult<FindAndDeleteGarbageInPersistenceTaskResult>>

@GridInternal
public class FindAndDeleteGarbageInPersistenceTask
extends VisorMultiNodeTask<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceTaskResult,FindAndDeleteGarbageInPersistenceJobResult>

Compute task which are part of 'find and delete garbage' functionality.

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
FindAndDeleteGarbageInPersistenceTask()

Method Summary

Modifier and Type	Method	Description
protected VisorJob<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceJobResult>	job(CacheFindGarbageCommandArg arg)
protected Collection<UUID>	jobNodes(VisorTaskArgument<CacheFindGarbageCommandArg> arg)
protected @Nullable FindAndDeleteGarbageInPersistenceTaskResult	reduce0(List<ComputeJobResult> list)	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

FindAndDeleteGarbageInPersistenceTask

public FindAndDeleteGarbageInPersistenceTask()

Method Detail

reduce0

@Nullable
protected @Nullable FindAndDeleteGarbageInPersistenceTaskResult reduce0(List<ComputeJobResult> list)
                                                                 throws IgniteException

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceTaskResult,FindAndDeleteGarbageInPersistenceJobResult>

Parameters:

list - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.

job

protected VisorJob<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceJobResult> job(CacheFindGarbageCommandArg arg)

Specified by:

job in class VisorMultiNodeTask<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceTaskResult,FindAndDeleteGarbageInPersistenceJobResult>

Parameters:

arg - Task arg.

Returns:

New job.

jobNodes

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

Overrides:

jobNodes in class VisorMultiNodeTask<CacheFindGarbageCommandArg,FindAndDeleteGarbageInPersistenceTaskResult,FindAndDeleteGarbageInPersistenceJobResult>

Returns:

Collection of nodes IDs where jobs should be mapped.