org.apache.ignite.internal.visor.tx

Class VisorTxTask

java.lang.Object

org.apache.ignite.internal.visor.VisorMultiNodeTask<VisorTxTaskArg,Map<ClusterNode,VisorTxTaskResult>,VisorTxTaskResult>

org.apache.ignite.internal.visor.tx.VisorTxTask

All Implemented Interfaces:

Serializable, ComputeTask<VisorTaskArgument<VisorTxTaskArg>,Map<ClusterNode,VisorTxTaskResult>>

@GridInternal
public class VisorTxTask
extends VisorMultiNodeTask<VisorTxTaskArg,Map<ClusterNode,VisorTxTaskResult>,VisorTxTaskResult>

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
VisorTxTask()

Method Summary

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

VisorTxTask

public VisorTxTask()

Method Detail

job

protected VisorJob<VisorTxTaskArg,VisorTxTaskResult> job(VisorTxTaskArg arg)

Specified by:

job in class VisorMultiNodeTask<VisorTxTaskArg,Map<ClusterNode,VisorTxTaskResult>,VisorTxTaskResult>

Parameters:

arg - Task arg.

Returns:

New job.

jobNodes

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

Overrides:

jobNodes in class VisorMultiNodeTask<VisorTxTaskArg,Map<ClusterNode,VisorTxTaskResult>,VisorTxTaskResult>

Returns:

Collection of nodes IDs where jobs should be mapped.

reduce0

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

Actual reduce logic.

Specified by:

reduce0 in class VisorMultiNodeTask<VisorTxTaskArg,Map<ClusterNode,VisorTxTaskResult>,VisorTxTaskResult>

Parameters:

results - Job results.

Returns:

Task result.

Throws:

IgniteException - If reduction or results caused an error.