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## What changed?
<!-- Describe what has changed in this PR -->
Remove license header from every file. Because it is really hard to
follow in this PR here is the summary:
1. License header is removed from all `.go` and `.proto` files
:fireworks::fireworks:🎆.
2. `LICENSE` file in the root directory has only Temporal and Uber
copyrights.
3. 5 other `LICENSE` files added to the packages which have copyrights
different from Temporal and Uber: Datadog, Xargin, "Mat Ryer, Tyler
Bunnell and contributors".
4. `license_file` flag is removed from all code generation tools.
5. `copyright_file` flag is removed from `go:generate mockgen`
directive.
6. All copyright related targets are removed from `Makefile`.
7. Updated Temporal copyright year to 2025 everywhere.
## Why?
<!-- Tell your future self why have you made these changes -->
I double checked with legal department that it is not needed to have
license header in every file. One file per repo is enough. I put all
copyrights to the root `LICENSE` file and removed header from all other
files. Also updated tools and `Makefile`.
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
package dynamicconfig
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import (
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"fmt"
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"sync/atomic"
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"go.temporal.io/server/common/log/tag"
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)
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// GlobalCachedTypedValue holds a cached value of a GlobalTypedSetting after applying a supplied convert function.
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// This type should be deleted after dynamicconfig handles conversion more efficiently.
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type GlobalCachedTypedValue[T any] struct {
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ptr atomic.Pointer[T]
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cancel func()
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}
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// NewGlobalCachedTypedValue returns a new [GlobalCachedTypedValue] for the given setting, applying the given convert
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// function on change.
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// If convert returns an error the old value will be preserved. If convert never succeeds, Get() will return the zero
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// value of T.
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func NewGlobalCachedTypedValue[T, I any](c *Collection, setting GlobalTypedSetting[I], convert func(I) (T, error)) *GlobalCachedTypedValue[T] {
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cachedValue := new(GlobalCachedTypedValue[T])
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initial, cancel := setting.Subscribe(c)(func(i I) {
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converted, err := convert(i)
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if err != nil {
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c.logger.Warn(fmt.Sprintf("Failed to convert %q attribute", setting.Key().String()), tag.Value(i), tag.Error(err))
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return
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}
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// Make sure to only store the value on successful conversion.
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cachedValue.ptr.Store(&converted)
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})
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cachedValue.cancel = cancel
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converted, err := convert(initial)
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if err != nil {
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c.logger.Warn(fmt.Sprintf("Failed to convert %q attribute", setting.Key().String()), tag.Value(initial), tag.Error(err))
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} else {
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// Make sure to only store the value on successful conversion.
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cachedValue.ptr.Store(&converted)
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}
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return cachedValue
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}
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// Get the last successfully converted cached value or the zero value if convert has never succeeded.
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func (s *GlobalCachedTypedValue[T]) Get() T {
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v := s.ptr.Load()
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if v == nil {
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var t T
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return t
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}
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return *v
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}
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func (s *GlobalCachedTypedValue[T]) Close() error {
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s.cancel()
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return nil
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}
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