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David ReissandGitHub
c7c27e5ab1
## What changed? Use unique.Handle for dynamicconfig.Keys instead of strings. ## Why? Force keys to always be lowercase so we don't have to convert at lookup time, and also speed up lookups by interning. ## How did you test it? - [x] covered by existing tests
45 lines
989 B
Go
45 lines
989 B
Go
package dynamicconfig
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import (
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"fmt"
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"sync/atomic"
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)
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type (
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registry struct {
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settings map[Key]GenericSetting
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queried atomic.Bool
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}
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)
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var (
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globalRegistry registry
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)
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func register(s GenericSetting) {
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if globalRegistry.queried.Load() {
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panic("dynamicconfig.New*Setting must only be called from static initializers")
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}
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if globalRegistry.settings == nil {
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globalRegistry.settings = make(map[Key]GenericSetting)
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}
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if globalRegistry.settings[s.Key()] != nil {
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// nolint:forbidigo // only called during static initialization
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panic(fmt.Sprintf("duplicate registration of dynamic config key: %q", s.Key().String()))
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}
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globalRegistry.settings[s.Key()] = s
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}
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func queryRegistry(k Key) GenericSetting {
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if !globalRegistry.queried.Load() {
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globalRegistry.queried.Store(true)
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}
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return globalRegistry.settings[k]
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}
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// For testing only; do not call from regular code!
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func ResetRegistryForTest() {
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globalRegistry.settings = nil
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globalRegistry.queried.Store(false)
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}
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