ClearRules clears all hotspot param flow rules.

ClearRulesOfResource clears resource level hotspot param flow rules.

GetRules returns all the hotspot param flow rules based on copy.

GetRulesOfResource returns specific resource's hotspot parameter flow control rules based on copy.

LoadRules replaces all old hotspot param flow rules with the given rules.

LoadRulesOfResource loads the given resource's hotspot param flow rules to the rule manager, while all previous resource's rules will be replaced.

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.

ControlBehavior indicates the traffic shaping behaviour.

MetricType represents the target metric type.

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