org.opendaylight.vtn.manager.internal.flow.remove

Class DeleteFlowTxTask

java.lang.Object

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

org.opendaylight.vtn.manager.internal.flow.remove.DeleteFlowTxTask

All Implemented Interfaces:

TxTask<RemovedFlows>

public final class DeleteFlowTxTask
extends AbstractTxTask<RemovedFlows>

PutFlowTxTask describes the MD-SAL datastore transaction task that uninstalls VTN data flows.

This task returns a list of VTN data flows to be removed.

Constructor Summary

Constructors

Constructor and Description
DeleteFlowTxTask(FlowRemoveContext ctx) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
RemovedFlows	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, RemovedFlows removed) 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

Constructor Detail

DeleteFlowTxTask

public DeleteFlowTxTask(FlowRemoveContext ctx)

Construct a new instance.

Parameters:

ctx - A FlowRemoveContext instance.

Method Detail

execute

public RemovedFlows 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<RemovedFlows>

Parameters:

ctx - A runtime context for transaction task.

Returns:

Result of this task.

Throws:

VTNException - An error occurred.

onSuccess

public void onSuccess(VTNManagerProvider provider,
                      RemovedFlows removed)

Invoked when the task has completed successfully.

Specified by:

onSuccess in interface TxTask<RemovedFlows>

Overrides:

onSuccess in class AbstractTxTask<RemovedFlows>

Parameters:

provider - VTN Manager provider service.

removed - A RemovedFlows instance which specifies flow entries to be removed.

onFailure

public void onFailure(VTNManagerProvider provider,
                      Throwable t)

Invoked when the task has failed.

Specified by:

onFailure in interface TxTask<RemovedFlows>

Overrides:

onFailure in class AbstractTxTask<RemovedFlows>

Parameters:

provider - VTN Manager provider service.

t - A Throwable thrown by the task.