ClearRules clears all parameter flow rules.

GetRules returns existing rules of the given resource.

LoadRules replaces old rules with the given hotspot parameter flow control rules.

SetTrafficShapingGenerator sets the traffic controller generator for the given control behavior.

Concurrency represents concurrency count.

QPS represents request count per second.

ConcurrencyStatSlot is to record the Concurrency statistic for all arguments.

ParamsMetric carries real-time counters for frequent ("hot spot") parameters.

Rule represents the hotspot(frequent) parameter flow control rule.

SpecificValue indicates the specific param, contain the supported param kind and concrete value.

ControlBehavior indicates the traffic shaping behaviour.

MetricType represents the target metric type.

ParamKind represents the Param kind.

TrafficControllerGenFunc represents the TrafficShapingController generator function of a specific control behavior.