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go-micro/config/source/noop.go

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2019-05-31 00:11:13 +02:00
package source
import (
"errors"
)
type noopWatcher struct {
exit chan struct{}
}
func (w *noopWatcher) Next() (*ChangeSet, error) {
<-w.exit
return nil, errors.New("noopWatcher stopped")
}
func (w *noopWatcher) Stop() error {
close(w.exit)
return nil
}
// NewNoopWatcher returns a watcher that blocks on Next() until Stop() is called.
func NewNoopWatcher() (Watcher, error) {
return &noopWatcher{exit: make(chan struct{})}, nil
}