38 lines
		
	
	
		
			543 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			543 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package memory
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| 
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| import (
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| 	"errors"
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| 
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| 	"github.com/micro/go-micro/registry"
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| )
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| 
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| type Watcher struct {
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| 	id   string
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| 	wo   registry.WatchOptions
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| 	res  chan *registry.Result
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| 	exit chan bool
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| }
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| 
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| func (m *Watcher) Next() (*registry.Result, error) {
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| 	for {
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| 		select {
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| 		case r := <-m.res:
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| 			if len(m.wo.Service) > 0 && m.wo.Service != r.Service.Name {
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| 				continue
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| 			}
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| 			return r, nil
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| 		case <-m.exit:
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| 			return nil, errors.New("watcher stopped")
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| 		}
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| 	}
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| }
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| 
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| func (m *Watcher) Stop() {
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| 	select {
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| 	case <-m.exit:
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| 		return
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| 	default:
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| 		close(m.exit)
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| 	}
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| }
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