org.onosproject.net.statistic

Interface StatisticStore

public interface StatisticStore

Store to house the computed statistics.

Method Summary

Modifier and Type	Method and Description
void	addOrUpdateStatistic(FlowEntry rule) Adds a stats observation for a flow rule.
Set<FlowEntry>	getCurrentStatistic(ConnectPoint connectPoint) Fetches the current observed stats values.
Set<FlowEntry>	getPreviousStatistic(ConnectPoint connectPoint) Fetches the previous observed stats values.
void	prepareForStatistics(FlowRule rule) Lay the foundation for receiving flow stats for this rule.
void	removeFromStatistics(FlowRule rule) Remove entries associated with this rule.

Method Detail

prepareForStatistics

void prepareForStatistics(FlowRule rule)

Lay the foundation for receiving flow stats for this rule.

Parameters:

rule - a FlowRule

removeFromStatistics

void removeFromStatistics(FlowRule rule)

Remove entries associated with this rule.

Parameters:

rule - FlowRule

addOrUpdateStatistic

void addOrUpdateStatistic(FlowEntry rule)

Adds a stats observation for a flow rule.

Parameters:

rule - a FlowEntry

getCurrentStatistic

Set<FlowEntry> getCurrentStatistic(ConnectPoint connectPoint)

Fetches the current observed stats values.

Parameters:

connectPoint - the port to fetch information for

Returns:

set of current flow rules

getPreviousStatistic

Set<FlowEntry> getPreviousStatistic(ConnectPoint connectPoint)

Fetches the previous observed stats values.

Parameters:

connectPoint - the port to fetch information for

Returns:

set of current values