streaming

type Connector interface {
	CreateMeter(ctx context.Context, namespace string, meter *models.Meter) error
	DeleteMeter(ctx context.Context, namespace string, meterSlug string) error
	QueryMeter(ctx context.Context, namespace string, meterSlug string, params *QueryParams) (*QueryResult, error)
	ListMeterSubjects(ctx context.Context, namespace string, meterSlug string) ([]string, error)
}

type QueryParams struct {
	From           *time.Time
	To             *time.Time
	Subject        []string
	GroupBySubject bool
	GroupBy        []string
	Aggregation    *models.MeterAggregation
	WindowSize     *models.WindowSize
}

type QueryResult struct {
	WindowSize *models.WindowSize
	Values     []*models.MeterValue
}