43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
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package models
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// Statistic is the representation of a statistic used by the monitoring service.
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type Statistic struct {
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Name string `json:"name"`
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Tags map[string]string `json:"tags"`
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Values map[string]interface{} `json:"values"`
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}
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// NewStatistic returns an initialized Statistic.
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func NewStatistic(name string) Statistic {
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return Statistic{
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Name: name,
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Tags: make(map[string]string),
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Values: make(map[string]interface{}),
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}
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}
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// StatisticTags is a map that can be merged with others without causing
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// mutations to either map.
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type StatisticTags map[string]string
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// Merge creates a new map containing the merged contents of tags and t.
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// If both tags and the receiver map contain the same key, the value in tags
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// is used in the resulting map.
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//
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// Merge always returns a usable map.
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func (t StatisticTags) Merge(tags map[string]string) map[string]string {
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// Add everything in tags to the result.
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out := make(map[string]string, len(tags))
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for k, v := range tags {
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out[k] = v
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}
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// Only add values from t that don't appear in tags.
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for k, v := range t {
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if _, ok := tags[k]; !ok {
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out[k] = v
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}
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}
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return out
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}
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