Golang Matcher.MatchesSingle示例

示例#1

文件： etcd.go 项目： shrids/kubernetes

// WatchPredicate starts a watch for the items that m matches.
func (e *Etcd) WatchPredicate(ctx api.Context, m generic.Matcher, resourceVersion string) (watch.Interface, error) {
	version, err := storage.ParseWatchResourceVersion(resourceVersion, e.EndpointName)
	if err != nil {
		return nil, err
	}

	filterFunc := func(obj runtime.Object) bool {
		matches, err := m.Matches(obj)
		if err != nil {
			glog.Errorf("unable to match watch: %v", err)
			return false
		}
		if matches && e.Decorator != nil {
			if err := e.Decorator(obj); err != nil {
				glog.Errorf("unable to decorate watch: %v", err)
				return false
			}
		}
		return matches
	}

	if name, ok := m.MatchesSingle(); ok {
		key, err := e.KeyFunc(ctx, name)
		if err != nil {
			return nil, err
		}
		return e.Storage.Watch(key, version, filterFunc)
	}

	return e.Storage.WatchList(e.KeyRootFunc(ctx), version, filterFunc)
}

示例#2

文件： etcd.go 项目： shrids/kubernetes

// ListPredicate returns a list of all the items matching m.
func (e *Etcd) ListPredicate(ctx api.Context, m generic.Matcher) (runtime.Object, error) {
	list := e.NewListFunc()
	trace := util.NewTrace("List " + reflect.TypeOf(list).String())
	defer trace.LogIfLong(600 * time.Millisecond)
	if name, ok := m.MatchesSingle(); ok {
		trace.Step("About to read single object")
		key, err := e.KeyFunc(ctx, name)
		if err != nil {
			return nil, err
		}
		err = e.Storage.GetToList(key, list)
		trace.Step("Object extracted")
		if err != nil {
			return nil, err
		}
	} else {
		trace.Step("About to list directory")
		err := e.Storage.List(e.KeyRootFunc(ctx), list)
		trace.Step("List extracted")
		if err != nil {
			return nil, err
		}
	}
	defer trace.Step("List filtered")
	return generic.FilterList(list, m, generic.DecoratorFunc(e.Decorator))
}

示例#3

文件： etcd.go 项目： alena1108/kubernetes

// ListPredicate returns a list of all the items matching m.
func (e *Etcd) ListPredicate(ctx api.Context, m generic.Matcher) (runtime.Object, error) {
	list := e.NewListFunc()
	trace := util.NewTrace("List " + reflect.TypeOf(list).String())
	filterFunc := e.filterAndDecorateFunction(m)
	defer trace.LogIfLong(600 * time.Millisecond)
	if name, ok := m.MatchesSingle(); ok {
		if key, err := e.KeyFunc(ctx, name); err == nil {
			trace.Step("About to read single object")
			err := e.Storage.GetToList(key, filterFunc, list)
			trace.Step("Object extracted")
			if err != nil {
				return nil, err
			}
			return list, nil
		}
		// if we cannot extract a key based on the current context, the optimization is skipped
	}

	trace.Step("About to list directory")
	err := e.Storage.List(e.KeyRootFunc(ctx), filterFunc, list)
	trace.Step("List extracted")
	if err != nil {
		return nil, err
	}
	return list, nil
}

示例#4

文件： etcd.go 项目： robbfoster-taulia/kubernetes

// ListPredicate returns a list of all the items matching m.
func (e *Etcd) ListPredicate(ctx api.Context, m generic.Matcher, options *api.ListOptions) (runtime.Object, error) {
	list := e.NewListFunc()
	trace := util.NewTrace("List " + reflect.TypeOf(list).String())
	filterFunc := e.filterAndDecorateFunction(m)
	defer trace.LogIfLong(600 * time.Millisecond)
	if name, ok := m.MatchesSingle(); ok {
		if key, err := e.KeyFunc(ctx, name); err == nil {
			trace.Step("About to read single object")
			err := e.Storage.GetToList(ctx, key, filterFunc, list)
			trace.Step("Object extracted")
			return list, etcderr.InterpretListError(err, e.EndpointName)
		}
		// if we cannot extract a key based on the current context, the optimization is skipped
	}

	trace.Step("About to list directory")
	if options == nil {
		options = &api.ListOptions{ResourceVersion: "0"}
	}
	version, err := storage.ParseWatchResourceVersion(options.ResourceVersion, e.EndpointName)
	if err != nil {
		return nil, err
	}
	err = e.Storage.List(ctx, e.KeyRootFunc(ctx), version, filterFunc, list)
	trace.Step("List extracted")
	return list, etcderr.InterpretListError(err, e.EndpointName)
}

示例#5

文件： store.go 项目： Cloven/minikube

// WatchPredicate starts a watch for the items that m matches.
func (e *Store) WatchPredicate(ctx api.Context, m generic.Matcher, resourceVersion string) (watch.Interface, error) {
	filterFunc := e.filterAndDecorateFunction(m)

	if name, ok := m.MatchesSingle(); ok {
		if key, err := e.KeyFunc(ctx, name); err == nil {
			if err != nil {
				return nil, err
			}
			return e.Storage.Watch(ctx, key, resourceVersion, filterFunc)
		}
		// if we cannot extract a key based on the current context, the optimization is skipped
	}

	return e.Storage.WatchList(ctx, e.KeyRootFunc(ctx), resourceVersion, filterFunc)
}

示例#6

文件： store.go 项目： Cloven/minikube

// ListPredicate returns a list of all the items matching m.
func (e *Store) ListPredicate(ctx api.Context, m generic.Matcher, options *api.ListOptions) (runtime.Object, error) {
	list := e.NewListFunc()
	filterFunc := e.filterAndDecorateFunction(m)
	if name, ok := m.MatchesSingle(); ok {
		if key, err := e.KeyFunc(ctx, name); err == nil {
			err := e.Storage.GetToList(ctx, key, filterFunc, list)
			return list, storeerr.InterpretListError(err, e.QualifiedResource)
		}
		// if we cannot extract a key based on the current context, the optimization is skipped
	}

	if options == nil {
		options = &api.ListOptions{ResourceVersion: "0"}
	}
	err := e.Storage.List(ctx, e.KeyRootFunc(ctx), options.ResourceVersion, filterFunc, list)
	return list, storeerr.InterpretListError(err, e.QualifiedResource)
}

示例#7

文件： etcd.go 项目： jrcrawfo/kubernetes

// WatchPredicate starts a watch for the items that m matches.
func (e *Etcd) WatchPredicate(ctx api.Context, m generic.Matcher, resourceVersion string) (watch.Interface, error) {
	version, err := storage.ParseWatchResourceVersion(resourceVersion, e.EndpointName)
	if err != nil {
		return nil, err
	}
	filterFunc := e.filterAndDecorateFunction(m)

	if name, ok := m.MatchesSingle(); ok {
		key, err := e.KeyFunc(ctx, name)
		if err != nil {
			return nil, err
		}
		return e.Storage.Watch(key, version, filterFunc)
	}

	return e.Storage.WatchList(e.KeyRootFunc(ctx), version, filterFunc)
}

示例#8

文件： etcd.go 项目： fwalker/dashboard

// ListPredicate returns a list of all the items matching m.
func (e *Etcd) ListPredicate(ctx api.Context, m generic.Matcher, options *unversioned.ListOptions) (runtime.Object, error) {
	list := e.NewListFunc()
	filterFunc := e.filterAndDecorateFunction(m)
	if name, ok := m.MatchesSingle(); ok {
		if key, err := e.KeyFunc(ctx, name); err == nil {
			err := e.Storage.GetToList(ctx, key, filterFunc, list)
			return list, etcderr.InterpretListError(err, e.EndpointName)
		}
		// if we cannot extract a key based on the current context, the optimization is skipped
	}

	if options == nil {
		options = &unversioned.ListOptions{ResourceVersion: "0"}
	}
	version, err := storage.ParseWatchResourceVersion(options.ResourceVersion, e.EndpointName)
	if err != nil {
		return nil, err
	}
	err = e.Storage.List(ctx, e.KeyRootFunc(ctx), version, filterFunc, list)
	return list, etcderr.InterpretListError(err, e.EndpointName)
}