freq

package
Version: v1.2.6 Latest Latest
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Published: Nov 4, 2018 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package freq keeps track of last X seen events. The events themselves are not stored here. So the Freq type should be added next to the thing it is tracking.

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type Freq

type Freq struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

Freq tracks the frequencies of things.

func New

func New(t time.Time) *Freq

New returns a new initialized Freq.

func (*Freq) Hits

func (f *Freq) Hits() int

Hits returns the number of hits that we have seen, according to the updates we have done to f.

func (*Freq) Reset

func (f *Freq) Reset(t time.Time, hits int)

Reset resets f to time t and hits to hits.

func (*Freq) Update

func (f *Freq) Update(d time.Duration, now time.Time) int

Update updates the number of hits. Last time seen will be set to now. If the last time we've seen this entity is within now - d, we increment hits, otherwise we reset hits to 1. It returns the number of hits.

Source Files

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