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e17f4468a6
* Work in progress from https://github.com/lightstep/opentelemetry-golang-prototype * Renames * Rename * Finish rename * Rename packages * README
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package metric
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import (
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"github.com/open-telemetry/opentelemetry-go/api/core"
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"github.com/open-telemetry/opentelemetry-go/api/tag"
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"github.com/open-telemetry/opentelemetry-go/api/unit"
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)
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type (
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Metric interface {
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Measure() core.Measure
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DefinitionID() core.EventID
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Type() MetricType
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Fields() []core.Key
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Err() error
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base() *baseMetric
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}
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MetricType int
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)
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const (
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Invalid MetricType = iota
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GaugeInt64
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GaugeFloat64
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DerivedGaugeInt64
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DerivedGaugeFloat64
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CumulativeInt64
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CumulativeFloat64
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DerivedCumulativeInt64
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DerivedCumulativeFloat64
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)
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type (
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Option func(*baseMetric, *[]tag.Option)
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)
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// WithDescription applies provided description.
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func WithDescription(desc string) Option {
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return func(_ *baseMetric, to *[]tag.Option) {
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*to = append(*to, tag.WithDescription(desc))
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}
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}
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// WithUnit applies provided unit.
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func WithUnit(unit unit.Unit) Option {
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return func(_ *baseMetric, to *[]tag.Option) {
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*to = append(*to, tag.WithUnit(unit))
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}
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}
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// WithKeys applies the provided dimension keys.
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func WithKeys(keys ...core.Key) Option {
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return func(bm *baseMetric, _ *[]tag.Option) {
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bm.keys = keys
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}
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}
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