metric

type Aggregation interface {
	// Min finds the min value within the window.
	Min() float64
	// Max finds the max value within the window.
	Max() float64
	// Avg computes average value within the window.
	Avg() float64
	// Sum computes sum value within the window.
	Sum() float64
}

type Bucket struct {
	Points []float64
	Count  int64
	// contains filtered or unexported fields
}

type Counter interface {
	Metric
}

type CounterOpts Opts

type CounterVec interface {
	// Inc increments the counter by 1. Use Add to increment it by arbitrary
	// non-negative values.
	Inc(labels ...string)
	// Add adds the given value to the counter. It panics if the value is <
	// 0.
	Add(v float64, labels ...string)
}

type CounterVecOpts VectorOpts

type Gauge interface {
	Metric
	// Sets sets the value to the given number.
	Set(int64)
}

type GaugeOpts Opts

type GaugeVec interface {
	// Set sets the Gauge to an arbitrary value.
	Set(v float64, labels ...string)
	// Inc increments the Gauge by 1. Use Add to increment it by arbitrary
	// values.
	Inc(labels ...string)
	// Add adds the given value to the Gauge. (The value can be negative,
	// resulting in a decrease of the Gauge.)
	Add(v float64, labels ...string)
}

type GaugeVecOpts VectorOpts

type HistogramVec interface {
	// Observe adds a single observation to the histogram.
	Observe(v int64, labels ...string)
}

type HistogramVecOpts struct {
	Namespace string
	Subsystem string
	Name      string
	Help      string
	Labels    []string
	Buckets   []float64
}

type Iterator struct {
	// contains filtered or unexported fields
}

type Metric interface {
	// Add adds the given value to the counter.
	Add(int64)
	// Value gets the current value.
	// If the metric's type is PointGauge, RollingCounter, RollingGauge,
	// it returns the sum value within the window.
	Value() int64
}

type Opts struct {
}

type PointGauge interface {
	Aggregation
	Metric
	// Reduce applies the reduction function to all buckets within the window.
	Reduce(func(Iterator) float64) float64
}

type PointGaugeOpts struct {
	// Size represents the bucket size within the window.
	Size int
}

type PointPolicy struct {
	// contains filtered or unexported fields
}

type RollingCounter interface {
	Metric
	Aggregation
	Timespan() int
	// Reduce applies the reduction function to all buckets within the window.
	Reduce(func(Iterator) float64) float64
}

type RollingCounterOpts struct {
	Size           int
	BucketDuration time.Duration
}

type RollingGauge interface {
	Metric
	Aggregation
	// Reduce applies the reduction function to all buckets within the window.
	Reduce(func(Iterator) float64) float64
}

type RollingGaugeOpts struct {
	Size           int
	BucketDuration time.Duration
}

type RollingPolicy struct {
	// contains filtered or unexported fields
}

type RollingPolicyOpts struct {
	BucketDuration time.Duration
}

type VectorOpts struct {
	Namespace string
	Subsystem string
	Name      string
	Help      string
	Labels    []string
}

type Window struct {
	// contains filtered or unexported fields
}

type WindowOpts struct {
	Size int
}