registry/noop: implement noop watcher
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
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@ -2,7 +2,6 @@ package registry
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import (
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"context"
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"fmt"
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)
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type noopRegistry struct {
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@ -54,7 +53,7 @@ func (n *noopRegistry) ListServices(ctx context.Context, opts ...ListOption) ([]
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// Watch is used to watch for service changes
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func (n *noopRegistry) Watch(ctx context.Context, opts ...WatchOption) (Watcher, error) {
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return nil, fmt.Errorf("not implemented")
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return &noopWatcher{done: make(chan struct{}), opts: NewWatchOptions(opts...)}, nil
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}
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// String returns registry string representation
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@ -62,6 +61,20 @@ func (n *noopRegistry) String() string {
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return "noop"
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}
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type noopWatcher struct {
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opts WatchOptions
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done chan struct{}
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}
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func (n *noopWatcher) Next() (*Result, error) {
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<-n.done
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return nil, ErrWatcherStopped
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}
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func (n *noopWatcher) Stop() {
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close(n.done)
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}
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// NewRegistry returns a new noop registry
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func NewRegistry(opts ...Option) Registry {
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return &noopRegistry{opts: NewOptions(opts...)}
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