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option.go
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/
option.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2022 Datadog, Inc.
package gqlgen
import (
"math"
"gopkg.in/DataDog/dd-trace-go.v1/internal/globalconfig"
"gopkg.in/DataDog/dd-trace-go.v1/internal/namingschema"
)
const defaultServiceName = "graphql"
type config struct {
serviceName string
analyticsRate float64
}
// An Option configures the gqlgen integration.
type Option func(t *config)
func defaults(t *config) {
t.serviceName = namingschema.NewDefaultServiceName(
defaultServiceName,
namingschema.WithOverrideV0(defaultServiceName),
).GetName()
t.analyticsRate = globalconfig.AnalyticsRate()
}
// WithAnalytics enables or disables Trace Analytics for all started spans.
func WithAnalytics(on bool) Option {
if on {
return WithAnalyticsRate(1.0)
}
return WithAnalyticsRate(math.NaN())
}
// WithAnalyticsRate sets the sampling rate for Trace Analytics events correlated to started spans.
func WithAnalyticsRate(rate float64) Option {
return func(t *config) {
t.analyticsRate = rate
}
}
// WithServiceName sets the given service name for the gqlgen server.
func WithServiceName(name string) Option {
return func(t *config) {
t.serviceName = name
}
}