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

Class NodeFlowStatsReader

java.lang.Object

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

All Implemented Interfaces:

StatsReaderCallback

public final class NodeFlowStatsReader
extends Object
implements StatsReaderCallback

NodeFlowStatsReader reads statistics information about the specified flow entries in the same switch.

Note that this method reads all flow statistics present in the specified switch.

Constructor Summary

Constructors

Constructor and Description
NodeFlowStatsReader(SalNode snode) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
void	flowStatsReceived(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowAndStatisticsMap fstats) Invoked when a flow statistics information has been received.
VTNFuture<FlowStatsRecord>	get(VtnFlowEntry vfent) Return a future associated with the task to read flow statistics about the given VTN flow entry.
void	start(StatsReaderService srs) Start the flow statistics read transaction.
void	transactionCanceled() Invoked when the transaction for reading flow statistics has been canceled.
void	transactionCompleted() Invoked when the transaction for reading flow statistics has been completed successfully.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeFlowStatsReader

public NodeFlowStatsReader(SalNode snode)

Construct a new instance.

Parameters:

snode - A SalNode which specifies the target switch.

Method Detail

get

public VTNFuture<FlowStatsRecord> get(VtnFlowEntry vfent)

Return a future associated with the task to read flow statistics about the given VTN flow entry.

Parameters:

vfent - The target flow entry.

Returns:

A VTNFuture instance which returns the flow statistics about the specified flow entry.

start

public void start(StatsReaderService srs)

Start the flow statistics read transaction.

This method must be called only once. No flow statistics will be returned if this method is not called.

Parameters:

srs - The flow statistics reader service.

flowStatsReceived

public void flowStatsReceived(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowAndStatisticsMap fstats)

Invoked when a flow statistics information has been received.

Specified by:

flowStatsReceived in interface StatsReaderCallback

Parameters:

fstats - A FlowAndStatisticsMap instance which contains the flow statistics send by the switch.

transactionCompleted

public void transactionCompleted()

Invoked when the transaction for reading flow statistics has been completed successfully.

Specified by:

transactionCompleted in interface StatsReaderCallback

transactionCanceled

public void transactionCanceled()

Invoked when the transaction for reading flow statistics has been canceled.

Specified by:

transactionCanceled in interface StatsReaderCallback