wehub-resource-sync
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38 lines
832 B
Go
38 lines
832 B
Go
package mlog
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import "sync/atomic"
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var (
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_ WithLogger = &Binder{}
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_ LoggerBinder = &Binder{}
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)
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// WithLogger is implemented by types that expose a component logger.
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type WithLogger interface {
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Logger() *Logger
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}
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// LoggerBinder is implemented by types that can bind a component logger.
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type LoggerBinder interface {
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SetLogger(logger *Logger)
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}
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// Binder is an embedding helper for component-level loggers.
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type Binder struct {
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logger atomic.Pointer[Logger]
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}
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// SetLogger binds logger to the receiver. Passing nil resets it to the global logger.
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func (b *Binder) SetLogger(logger *Logger) {
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b.logger.Store(logger)
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}
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// Logger returns the bound logger, or the current global logger if none is bound.
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func (b *Binder) Logger() *Logger {
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logger := b.logger.Load()
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if logger == nil {
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return With()
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}
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return logger
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}
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