org.opendaylight.vtn.manager.internal.flow.stats

Class AddFlowStatsTask

java.lang.Object

org.opendaylight.vtn.manager.internal.util.tx.AbstractTxTask<Boolean>

org.opendaylight.vtn.manager.internal.flow.stats.AddFlowStatsTask

All Implemented Interfaces:

TxTask<Boolean>

public final class AddFlowStatsTask
extends AbstractTxTask<Boolean>

AddFlowStatsTask describes the MD-SAL datastore transaction task that adds the given flow statistics history record to the VTN data flow.

This task returns Boolean.TRUE if the given flow statistics was added successfully.

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	LOG Logger instance.

Constructor Summary

Constructors

Constructor and Description
AddFlowStatsTask(String tname, VtnFlowId fid, FlowStatsRecord fsr) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
Boolean	execute(TxContext ctx) Modify the MD-SAL datastore using the given transaction.
void	onFailure(VTNManagerProvider provider, Throwable t) Invoked when the task has failed.
void	onSuccess(VTNManagerProvider provider, Boolean result) Invoked when the task has completed successfully.

Methods inherited from class org.opendaylight.vtn.manager.internal.util.tx.AbstractTxTask

addBackgroundTask, execute, getBackgroundTasks, getMaxRetry

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.opendaylight.vtn.manager.internal.TxTask

isAsync, needErrorLog

Field Detail

LOG

public static final org.slf4j.Logger LOG

Logger instance.

Constructor Detail

AddFlowStatsTask

public AddFlowStatsTask(String tname,
                        VtnFlowId fid,
                        FlowStatsRecord fsr)

Construct a new instance.

Parameters:

tname - The name of the target VTN.

fid - The identifier of the target VTN data flow.

fsr - The flow statistics record to be added.

Method Detail

execute

public Boolean execute(TxContext ctx)
                throws VTNException

Modify the MD-SAL datastore using the given transaction.

Note that this method may be called more than once when a MD-SAL datastore transaction is aborted due to data conflict.

Specified by:

execute in class AbstractTxTask<Boolean>

Parameters:

ctx - A runtime context for transaction task.

Returns:

Result of this task.

Throws:

VTNException - An error occurred.

onSuccess

public void onSuccess(VTNManagerProvider provider,
                      Boolean result)

Invoked when the task has completed successfully.

Specified by:

onSuccess in interface TxTask<Boolean>

Overrides:

onSuccess in class AbstractTxTask<Boolean>

Parameters:

provider - VTN Manager provider service.

result - The result of this task.

onFailure

public void onFailure(VTNManagerProvider provider,
                      Throwable t)

Invoked when the task has failed.

Specified by:

onFailure in interface TxTask<Boolean>

Overrides:

onFailure in class AbstractTxTask<Boolean>

Parameters:

provider - VTN Manager provider service.

t - A Throwable thrown by the task.