Package org.apache.ignite.internal.management.cdc

Class CdcCacheDataResendTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<CdcResendCommandArg,Void,Void>

org.apache.ignite.internal.management.cdc.CdcCacheDataResendTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<CdcResendCommandArg>,VisorTaskResult<Void>>

@GridInternal
public class CdcCacheDataResendTask
extends VisorMultiNodeTask<CdcResendCommandArg,Void,Void>

Task to forcefully resend all cache data to CDC. Iterates over caches and writes primary copies of data entries to the WAL to get captured by CDC.

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
CdcCacheDataResendTask()

Method Summary

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

CdcCacheDataResendTask

public CdcCacheDataResendTask()

Method Detail

job

protected VisorJob<CdcResendCommandArg,Void> job(CdcResendCommandArg arg)

Specified by:

job in class VisorMultiNodeTask<CdcResendCommandArg,Void,Void>

Parameters:

arg - Task arg.

Returns:

New job.

jobNodes

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

Overrides:

jobNodes in class VisorMultiNodeTask<CdcResendCommandArg,Void,Void>

Returns:

Collection of nodes IDs where jobs should be mapped.

reduce0

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

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<CdcResendCommandArg,Void,Void>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.