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2a65502be2
* style(config): code specification tweaks and abstracts some methods * optimize * modify func location
31 lines
560 B
Go
31 lines
560 B
Go
package env
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import (
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"context"
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"github.com/go-kratos/kratos/v2/config"
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)
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var _ config.Watcher = (*watcher)(nil)
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type watcher struct {
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ctx context.Context
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cancel context.CancelFunc
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}
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func NewWatcher() (config.Watcher, error) {
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ctx, cancel := context.WithCancel(context.Background())
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return &watcher{ctx: ctx, cancel: cancel}, nil
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}
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// Next will be blocked until the Stop method is called
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func (w *watcher) Next() ([]*config.KeyValue, error) {
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<-w.ctx.Done()
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return nil, w.ctx.Err()
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}
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func (w *watcher) Stop() error {
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w.cancel()
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return nil
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}
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