stats

type AbsPolicy struct {
	Name  string
	Funct func(vals ...Hit) interface{}
}

type Abstract struct {
	// stat key
	Key string `json:"key,omitempty"`
	// stat value
	Val interface{} `json:"val"`
	// the middle value timestamp of the stat object in epoch second
	MidTs int64 `json:"midts"`
	// the length of stat object in second
	Len float64 `json:"len,omitemtpy"`
}

type AbstractArray struct {
	// the abstract array
	Array []Abstract `json:"array"`
	// the policy name to generate such abstract
	Policy string `json:"policy"`
}

type Hit struct {
	// stat key
	Key string `json:"key,omitempty"`
	// stat value
	Val interface{} `json:"val"`
}

type StatsManager struct {

	// channel of hits
	StatsChan map[string]chan Hit
	// accumulative hits
	StatsAcc      map[string]*[]Hit
	StatsPolicies map[string]*AbsPolicy
	// contains filtered or unexported fields
}