How to use Collectors method of collectors Package

Best Toxiproxy code snippet using collectors.Collectors

registry.go

Source:registry.go

...53	showHiddenOnce.Do(func() {54		showHidden.Store(true)55		// re-register collectors that has been hidden in phase of last registry.56		for _, r := range registries {57			r.enableHiddenCollectors()58			r.enableHiddenStableCollectors()59		}60	})61}62// ShouldShowHidden returns whether showing hidden deprecated metrics63// is enabled. While the primary usecase for this is internal (to determine64// registration behavior) this can also be used to introspect65func ShouldShowHidden() bool {66	return showHidden.Load() != nil && showHidden.Load().(bool)67}68// Registerable is an interface for a collector metric which we69// will register with KubeRegistry.70type Registerable interface {71	prometheus.Collector72	// Create will mark deprecated state for the collector73	Create(version *semver.Version) bool74	// ClearState will clear all the states marked by Create.75	ClearState()76	// FQName returns the fully-qualified metric name of the collector.77	FQName() string78}79// KubeRegistry is an interface which implements a subset of prometheus.Registerer and80// prometheus.Gatherer interfaces81type KubeRegistry interface {82	// Deprecated83	RawMustRegister(...prometheus.Collector)84	CustomRegister(c StableCollector) error85	CustomMustRegister(cs ...StableCollector)86	Register(Registerable) error87	MustRegister(...Registerable)88	Unregister(collector Collector) bool89	Gather() ([]*dto.MetricFamily, error)90}91// kubeRegistry is a wrapper around a prometheus registry-type object. Upon initialization92// the kubernetes binary version information is loaded into the registry object, so that93// automatic behavior can be configured for metric versioning.94type kubeRegistry struct {95	PromRegistry96	version              semver.Version97	hiddenCollectors     map[string]Registerable // stores all collectors that has been hidden98	stableCollectors     []StableCollector       // stores all stable collector99	hiddenCollectorsLock sync.RWMutex100	stableCollectorsLock sync.RWMutex101}102// Register registers a new Collector to be included in metrics103// collection. It returns an error if the descriptors provided by the104// Collector are invalid or if they â in combination with descriptors of105// already registered Collectors â do not fulfill the consistency and106// uniqueness criteria described in the documentation of metric.Desc.107func (kr *kubeRegistry) Register(c Registerable) error {108	if c.Create(&kr.version) {109		return kr.PromRegistry.Register(c)110	}111	kr.trackHiddenCollector(c)112	return nil113}114// MustRegister works like Register but registers any number of115// Collectors and panics upon the first registration that causes an116// error.117func (kr *kubeRegistry) MustRegister(cs ...Registerable) {118	metrics := make([]prometheus.Collector, 0, len(cs))119	for _, c := range cs {120		if c.Create(&kr.version) {121			metrics = append(metrics, c)122		} else {123			kr.trackHiddenCollector(c)124		}125	}126	kr.PromRegistry.MustRegister(metrics...)127}128// CustomRegister registers a new custom collector.129func (kr *kubeRegistry) CustomRegister(c StableCollector) error {130	kr.trackStableCollectors(c)131	if c.Create(&kr.version, c) {132		return kr.PromRegistry.Register(c)133	}134	return nil135}136// CustomMustRegister works like CustomRegister but registers any number of137// StableCollectors and panics upon the first registration that causes an138// error.139func (kr *kubeRegistry) CustomMustRegister(cs ...StableCollector) {140	kr.trackStableCollectors(cs...)141	collectors := make([]prometheus.Collector, 0, len(cs))142	for _, c := range cs {143		if c.Create(&kr.version, c) {144			collectors = append(collectors, c)145		}146	}147	kr.PromRegistry.MustRegister(collectors...)148}149// RawMustRegister takes a native prometheus.Collector and registers the collector150// to the registry. This bypasses metrics safety checks, so should only be used151// to register custom prometheus collectors.152//153// Deprecated154func (kr *kubeRegistry) RawMustRegister(cs ...prometheus.Collector) {155	kr.PromRegistry.MustRegister(cs...)156}157// Unregister unregisters the Collector that equals the Collector passed158// in as an argument.  (Two Collectors are considered equal if their159// Describe method yields the same set of descriptors.) The function160// returns whether a Collector was unregistered. Note that an unchecked161// Collector cannot be unregistered (as its Describe method does not162// yield any descriptor).163func (kr *kubeRegistry) Unregister(collector Collector) bool {164	return kr.PromRegistry.Unregister(collector)165}166// Gather calls the Collect method of the registered Collectors and then167// gathers the collected metrics into a lexicographically sorted slice168// of uniquely named MetricFamily protobufs. Gather ensures that the169// returned slice is valid and self-consistent so that it can be used170// for valid exposition. As an exception to the strict consistency171// requirements described for metric.Desc, Gather will tolerate172// different sets of label names for metrics of the same metric family.173func (kr *kubeRegistry) Gather() ([]*dto.MetricFamily, error) {174	return kr.PromRegistry.Gather()175}176// trackHiddenCollector stores all hidden collectors.177func (kr *kubeRegistry) trackHiddenCollector(c Registerable) {178	kr.hiddenCollectorsLock.Lock()179	defer kr.hiddenCollectorsLock.Unlock()180	kr.hiddenCollectors[c.FQName()] = c181}182// trackStableCollectors stores all custom collectors.183func (kr *kubeRegistry) trackStableCollectors(cs ...StableCollector) {184	kr.stableCollectorsLock.Lock()185	defer kr.stableCollectorsLock.Unlock()186	kr.stableCollectors = append(kr.stableCollectors, cs...)187}188// enableHiddenCollectors will re-register all of the hidden collectors.189func (kr *kubeRegistry) enableHiddenCollectors() {190	if len(kr.hiddenCollectors) == 0 {191		return192	}193	kr.hiddenCollectorsLock.Lock()194	cs := make([]Registerable, 0, len(kr.hiddenCollectors))195	for _, c := range kr.hiddenCollectors {196		c.ClearState()197		cs = append(cs, c)198	}199	kr.hiddenCollectors = nil200	kr.hiddenCollectorsLock.Unlock()201	kr.MustRegister(cs...)202}203// enableHiddenStableCollectors will re-register the stable collectors if there is one or more hidden metrics in it.204// Since we can not register a metrics twice, so we have to unregister first then register again.205func (kr *kubeRegistry) enableHiddenStableCollectors() {206	if len(kr.stableCollectors) == 0 {207		return208	}209	kr.stableCollectorsLock.Lock()210	cs := make([]StableCollector, 0, len(kr.stableCollectors))211	for _, c := range kr.stableCollectors {212		if len(c.HiddenMetrics()) > 0 {213			kr.Unregister(c) // unregister must happens before clear state, otherwise no metrics would be unregister214			c.ClearState()215			cs = append(cs, c)216		}217	}218	kr.stableCollectors = nil219	kr.stableCollectorsLock.Unlock()220	kr.CustomMustRegister(cs...)221}222// BuildVersion is a helper function that can be easily mocked.223var BuildVersion = version.Get224func newKubeRegistry(v apimachineryversion.Info) *kubeRegistry {225	r := &kubeRegistry{226		PromRegistry:     prometheus.NewRegistry(),227		version:          parseVersion(v),228		hiddenCollectors: make(map[string]Registerable),229	}230	registriesLock.Lock()231	defer registriesLock.Unlock()232	registries = append(registries, r)233	return r234}235// NewKubeRegistry creates a new vanilla Registry without any Collectors236// pre-registered.237func NewKubeRegistry() KubeRegistry {238	r := newKubeRegistry(BuildVersion())239	return r240}...

service.go

Source:service.go

...7type StatCollector interface {8	Stat(ctx context.Context) Stat9}10type Service struct {11	statCollectors []StatCollector12}13func NewService(statCollectors ...StatCollector) *Service {14	return &Service{statCollectors: statCollectors}15}16func (s *Service) AddStatCollectors(statCollectors ...StatCollector) {17	s.statCollectors = append(s.statCollectors, statCollectors...)18}19func (s *Service) Stats(ctx context.Context) []Stat {20	var wg sync.WaitGroup21	wg.Add(len(s.statCollectors))22	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)23	defer cancel()24	statC := make(chan Stat, len(s.statCollectors))25	for _, sc := range s.statCollectors {26		go func(ctx context.Context, collector StatCollector) {27			defer wg.Done()28			statC <- collector.Stat(ctx)29		}(ctx, sc)30	}31	wg.Wait()32	close(statC)33	stats := make([]Stat, 0, len(s.statCollectors))34	for stat := range statC {35		stats = append(stats, stat)36	}37	return stats38}...

Collectors

Using AI Code Generation

1import (2func main() {3	http.Handle("/metrics", promhttp.Handler())4	http.ListenAndServe(":8080", nil)5}6import (7func main() {8	http.Handle("/metrics", promhttp.Handler())9	http.ListenAndServe(":8080", nil)10}11import (12func main() {13	http.Handle("/metrics", promhttp.Handler())14	http.ListenAndServe(":8080", nil)15}16import (17func main() {18	http.Handle("/metrics", promhttp.Handler())19	http.ListenAndServe(":8080", nil)20}21import (22func main() {23	http.Handle("/metrics", promhttp.Handler())24	http.ListenAndServe(":8080", nil)25}26import (27func main() {28	http.Handle("/metrics", promhttp.Handler())29	http.ListenAndServe(":8080", nil)30}

Collectors

Using AI Code Generation

1import java.util.List;2import java.util.ArrayList;3import java.util.stream.Collectors;4public class CollectorsExample {5	public static void main(String[] args) {6		List<String> list = new ArrayList<String>();7		list.add("A");8		list.add("B");9		list.add("C");10		list.add("D");11		list.add("E");12		list.add("F");13		list.add("G");14		list.add("H");15		list.add("I");16		list.add("J");17		list.add("K");18		list.add("L");19		list.add("M");20		list.add("N");21		list.add("O");22		list.add("P");23		list.add("Q");24		list.add("R");25		list.add("S");26		list.add("T");27		list.add("U");28		list.add("V");29		list.add("W");30		list.add("X");31		list.add("Y");32		list.add("Z");33		List<String> list1 = list.stream().filter(s -> s.contains("A")).collect(Collectors.toList());34		System.out.println(list1);35	}36}

Collectors

Using AI Code Generation

1import (2func main() {3    fruits := []string{"Apple", "Orange", "Banana", "Grape", "Plum"}4    result := strings.Join(fruits, ", ")5    fmt.Println(result)6}7import (8func main() {9    fruits := []string{"Apple", "Orange", "Banana", "Grape", "Plum"}10    result := strings.Join(fruits, ", ")11    fmt.Println(result)12}13import (14func main() {15    fruits := []string{"Apple", "Orange", "Banana", "Grape", "Plum"}16    result := strings.Join(fruits, ", ")17    fmt.Println(result)18}19import (20func main() {21    fruits := []string{"Apple", "Orange", "Banana", "Grape", "Plum"}22    result := strings.Join(fruits, ", ")23    fmt.Println(result)24}25import (26func main() {27    fruits := []string{"Apple", "Orange", "Banana", "Grape", "Plum"}28    result := strings.Join(fruits, ", ")29    fmt.Println(result)30}31import (

Collectors

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, World!")4	collectors.Collectors()5}6import (7func Collectors() {8	fmt.Println("Collectors method")9}10import (11func main() {12	fmt.Println("Hello, World!")13	collectors.Collectors()14}15import (16func Collectors() {17	fmt.Println("Collectors method")18}19import (20func main() {21	fmt.Println("Hello, World!")22	collectors.Collectors()23}24import (25func Collectors() {26	fmt.Println("Collectors method")27}28import (29func main() {30	fmt.Println("Hello, World!")31	collectors.Collectors()32}33import (34func Collectors() {35	fmt.Println("Collectors method")36}37import (38func main() {39	fmt.Println("Hello, World!")40	collectors.Collectors()41}42import (43func Collectors() {44	fmt.Println("Collectors method")45}46import (47func main() {48	fmt.Println("Hello, World!")49	collectors.Collectors()50}

Collectors

Using AI Code Generation

1import (2type collector struct {3}4func main() {5	collectorsList := Collectors()6	fmt.Println(collectorsList)7}8func Collectors() []collector {9	xlFile, err := xlsx.OpenFile("data.xlsx")10	if err != nil {11		log.Println(err)12	}13	for _, sheet := range xlFile.Sheets {14		for i, row := range sheet.Rows {15			for j, cell := range row.Cells {16				cellValue := cell.String()17				if i == 0 {18				}19				if j == 0 {20				}21				if j == 1 {22				}23				if j == 2 {24				}25				if j == 3 {26				}27				if j == 4 {28					amount, err = strconv.ParseFloat(strings.Trim(cellValue, " "), 64)29					if err != nil {30						log.Println(err)31					}32					collectors = append(collectors, collector{collectorName, collectorId, customerName, customerId, amount})33				}34			}35		}36	}37	sort.Slice(collectors, func(i, j int) bool {38	})39}40import (41type collector struct {

Collectors

Using AI Code Generation

1import (2type Collectors struct {3}4type Collector struct {5}6func main() {7    if err != nil {8        fmt.Println(err)9    }10    defer resp.Body.Close()11    body, err := ioutil.ReadAll(resp.Body)12    if err != nil {13        fmt.Println(err)14    }15    json.Unmarshal(body, &collectors)16    fmt.Println(collectors)17}18{[localhost

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