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How to use Register method of event Package

Best Gauge code snippet using event.Register

events.go

Source:events.go

...10)11// Event is an event that's sent to the dispatcher. This includes client registration12// requests or events that come from an event producer.13type Event interface{}14// RegisterEvent is the base for all registration events.15type RegisterEvent struct {16	RegCh chan<- fab.Registration17	ErrCh chan<- error18}19// StopEvent tells the dispatcher to stop processing20type StopEvent struct {21	ErrCh chan<- error22}23// TransferEvent tells the dispatcher to transfer all24// registrations into a snapshot25type TransferEvent struct {26	SnapshotCh chan<- fab.EventSnapshot27	ErrCh      chan<- error28}29// StopAndTransferEvent tells the dispatcher to stop processing and transfer all30// registrations into a snapshot31type StopAndTransferEvent struct {32	SnapshotCh chan<- fab.EventSnapshot33	ErrCh      chan<- error34}35// RegisterBlockEvent registers for block events36type RegisterBlockEvent struct {37	RegisterEvent38	Reg *BlockReg39}40// RegisterFilteredBlockEvent registers for filtered block events41type RegisterFilteredBlockEvent struct {42	RegisterEvent43	Reg *FilteredBlockReg44}45// RegisterChaincodeEvent registers for chaincode events46type RegisterChaincodeEvent struct {47	RegisterEvent48	Reg *ChaincodeReg49}50// RegisterTxStatusEvent registers for transaction status events51type RegisterTxStatusEvent struct {52	RegisterEvent53	Reg *TxStatusReg54}55// UnregisterEvent unregisters a registration56type UnregisterEvent struct {57	Reg fab.Registration58}59// RegistrationInfo contains counts of the current event registrations60type RegistrationInfo struct {61	TotalRegistrations            int62	NumBlockRegistrations         int63	NumFilteredBlockRegistrations int64	NumCCRegistrations            int65	NumTxStatusRegistrations      int66}67// RegistrationInfoEvent requests registration information68type RegistrationInfoEvent struct {69	RegInfoCh chan<- *RegistrationInfo70}71// NewRegisterBlockEvent creates a new RegisterBlockEvent72func NewRegisterBlockEvent(filter fab.BlockFilter, eventch chan<- *fab.BlockEvent, respch chan<- fab.Registration, errCh chan<- error) *RegisterBlockEvent {73	return &RegisterBlockEvent{74		Reg:           &BlockReg{Filter: filter, Eventch: eventch},75		RegisterEvent: NewRegisterEvent(respch, errCh),76	}77}78// NewRegisterFilteredBlockEvent creates a new RegisterFilterBlockEvent79func NewRegisterFilteredBlockEvent(eventch chan<- *fab.FilteredBlockEvent, respch chan<- fab.Registration, errCh chan<- error) *RegisterFilteredBlockEvent {80	return &RegisterFilteredBlockEvent{81		Reg:           &FilteredBlockReg{Eventch: eventch},82		RegisterEvent: NewRegisterEvent(respch, errCh),83	}84}85// NewUnregisterEvent creates a new UnregisterEvent86func NewUnregisterEvent(reg fab.Registration) *UnregisterEvent {87	return &UnregisterEvent{88		Reg: reg,89	}90}91// NewRegisterChaincodeEvent creates a new RegisterChaincodeEvent92func NewRegisterChaincodeEvent(ccID, eventFilter string, eventch chan<- *fab.CCEvent, respch chan<- fab.Registration, errCh chan<- error) *RegisterChaincodeEvent {93	return &RegisterChaincodeEvent{94		Reg: &ChaincodeReg{95			ChaincodeID: ccID,96			EventFilter: eventFilter,97			Eventch:     eventch,98		},99		RegisterEvent: NewRegisterEvent(respch, errCh),100	}101}102// NewRegisterTxStatusEvent creates a new RegisterTxStatusEvent103func NewRegisterTxStatusEvent(txID string, eventch chan<- *fab.TxStatusEvent, respch chan<- fab.Registration, errCh chan<- error) *RegisterTxStatusEvent {104	return &RegisterTxStatusEvent{105		Reg:           &TxStatusReg{TxID: txID, Eventch: eventch},106		RegisterEvent: NewRegisterEvent(respch, errCh),107	}108}109// NewRegisterEvent creates a new RgisterEvent110func NewRegisterEvent(respch chan<- fab.Registration, errCh chan<- error) RegisterEvent {111	return RegisterEvent{112		RegCh: respch,113		ErrCh: errCh,114	}115}116// NewBlockEvent creates a new BlockEvent117func NewBlockEvent(block *cb.Block, sourceURL string) *fab.BlockEvent {118	return &fab.BlockEvent{119		Block:     block,120		SourceURL: sourceURL,121	}122}123// NewFilteredBlockEvent creates a new FilteredBlockEvent124func NewFilteredBlockEvent(fblock *pb.FilteredBlock, sourceURL string) *fab.FilteredBlockEvent {125	return &fab.FilteredBlockEvent{...

example_test.go

Source:example_test.go

...13	ec, err := New(mockChannelProvider("mychannel"))14	if err != nil {15		fmt.Println("failed to create client")16	}17	registration, notifier, err := ec.RegisterChaincodeEvent("examplecc", "event123")18	if err != nil {19		fmt.Println("failed to register chaincode event")20	}21	defer ec.Unregister(registration)22	select {23	case ccEvent := <-notifier:24		fmt.Printf("received chaincode event %v\n", ccEvent)25	case <-time.After(time.Second * 5):26		fmt.Println("timeout while waiting for chaincode event")27	}28	// Timeout is expected since there is no event producer29	// Output: timeout while waiting for chaincode event30}31func ExampleNew() {32	ctx := mockChannelProvider("mychannel")33	ec, err := New(ctx, WithBlockEvents())34	if err != nil {35		fmt.Println(err)36	}37	if ec != nil {38		fmt.Println("event client created")39	} else {40		fmt.Println("event client is nil")41	}42	// Output: event client created43}44func ExampleClient_RegisterChaincodeEvent() {45	ec, err := New(mockChannelProvider("mychannel"))46	if err != nil {47		fmt.Println("failed to create client")48	}49	registration, _, err := ec.RegisterChaincodeEvent("examplecc", "event123")50	if err != nil {51		fmt.Println("failed to register chaincode event")52	}53	defer ec.Unregister(registration)54	fmt.Println("chaincode event registered successfully")55	// Output: chaincode event registered successfully56}57func ExampleClient_RegisterChaincodeEvent_withPayload() {58	// If you require payload for chaincode events you have to use WithBlockEvents() option59	ec, err := New(mockChannelProvider("mychannel"), WithBlockEvents())60	if err != nil {61		fmt.Println("failed to create client")62	}63	registration, _, err := ec.RegisterChaincodeEvent("examplecc", "event123")64	if err != nil {65		fmt.Println("failed to register chaincode event")66	}67	defer ec.Unregister(registration)68	fmt.Println("chaincode event registered successfully")69	// Output: chaincode event registered successfully70}71func ExampleClient_RegisterTxStatusEvent() {72	ec, err := New(mockChannelProvider("mychannel"))73	if err != nil {74		fmt.Println("failed to create client")75	}76	registration, _, err := ec.RegisterTxStatusEvent("tx123")77	if err != nil {78		fmt.Println("failed to register tx status event")79	}80	defer ec.Unregister(registration)81	fmt.Println("tx status event registered successfully")82	// Output: tx status event registered successfully83}84func ExampleClient_RegisterBlockEvent() {85	ec, err := New(mockChannelProvider("mychannel"), WithBlockEvents())86	if err != nil {87		fmt.Println("failed to create client")88	}89	registration, _, err := ec.RegisterBlockEvent()90	if err != nil {91		fmt.Println("failed to register block event")92	}93	defer ec.Unregister(registration)94	fmt.Println("block event registered successfully")95	// Output: block event registered successfully96}97func ExampleClient_RegisterFilteredBlockEvent() {98	ec, err := New(mockChannelProvider("mychannel"))99	if err != nil {100		fmt.Println("failed to create client")101	}102	registration, _, err := ec.RegisterFilteredBlockEvent()103	if err != nil {104		fmt.Println("failed to register filtered block event")105	}106	defer ec.Unregister(registration)107	fmt.Println("filtered block event registered successfully")108	// Output: filtered block event registered successfully109}110func mockChannelProvider(channelID string) context.ChannelProvider {111	channelProvider := func() (context.Channel, error) {112		return mocks.NewMockChannel(channelID)113	}114	return channelProvider115}...

first.go

Source:first.go

...11)12func main() {13	log.Info("Starting Example Bus")14	mainBus := bus.NewProtoBus("main")15	// Register our ZeroMQ source and sink. Binding to either allows for remote communication.16	mainBus.RegisterSink("zeromq::sender", zeromq.DefaultZMQSink())17	mainBus.RegisterSource("zeromq::server", zeromq.DefaultZMQSource("tcp://127.0.0.1:5555"))18	// A testing source that injects events every second. First we create the event we want to inject19	eventPayload := &bus.Message {Destination: "tcp://127.0.0.1:5555", Contents: "testing"}20	injectorEvent := bus.NewEvent("testing::injector", eventPayload)21	// Next we create the actual injector sources and then register them22	mainBus.RegisterSource("testing::injector_a", testing.NewInjector(injectorEvent, 1 * time.Second))23	mainBus.RegisterSource("testing::injector_b", testing.NewInjector(injectorEvent, 2 * time.Second))24	mainBus.RegisterSource("testing::injector_c", testing.NewInjector(injectorEvent, 100 * time.Millisecond))25	mainBus.RegisterSource("testing::injector_d", testing.NewInjector(injectorEvent, 500 * time.Millisecond))26	mainBus.RegisterSource("testing::injector_e", testing.NewInjector(injectorEvent, 5 * time.Second))27	mainBus.RegisterSource("testing::injector_f", testing.NewInjector(injectorEvent, 15 * time.Second))28	// Register Unix signal handling for catching interrupts and shutting down. Using the29	// SimpleSink function allows us to create a sink without having to have the additional30	// fanfare methods specified such as Init and Shutdown.31	mainSignalSink := bus.NewSimpleSink(func(incoming <-chan bus.Event, ctx bus.ActorContext) (err error) {32		for {33			if event, ok := <-incoming; ok {34				if event.Payload() != nil {35					if sig, typeOk := event.Payload().(os.Signal); typeOk {36						switch sig {37							case os.Interrupt:38								mainBus.Shutdown()39							case syscall.SIGTERM:40								mainBus.Shutdown()41						}42					}43				}44			} else {45				break46			}47		}48		return49	})50	mainBus.RegisterSource("unix::signal_source", &unix.SignalSource{})51	mainBus.RegisterSink("main::signal_sink", mainSignalSink)52	// Register a debug sink for printing out messages caught53	mainDebugSink := bus.NewSimpleSink(func(incoming <-chan bus.Event, ctx bus.ActorContext) (err error) {54		for {55			if event, ok := <-incoming; ok {56				log.Infof("Caught event %v", event)57			} else {58				break59			}60		}61		return62	})63	mainBus.RegisterSink("main::debug", mainDebugSink)64	// Create our bus bindings65	bindings := map[string][]string {66		"unix::signal_source": []string {67			"main::signal_sink",68		},69		"zeromq::server": []string {70			"main::debug",71		},72		"testing::injector_a": []string {73			"zeromq::sender",74		},75		"testing::injector_b": []string {76			"zeromq::sender",77		},78		"testing::injector_c": []string {79			"zeromq::sender",80		},81		"testing::injector_d": []string {82			"zeromq::sender",83		},84		"testing::injector_e": []string {85			"zeromq::sender",86		},87		"testing::injector_f": []string {88			"zeromq::sender",89		},90	}91	// Register the bindings92	for source, sinks := range bindings {93		for _, sink := range sinks {94			if err := mainBus.Bind(source, sink); err != nil {95				log.Errorf("Failed during bind of source %s to sink %s: %v", source, sink, err)96			}97		}98	}99	// Start the bus and wait for it to exit100	mainBus.Start()101	mainBus.Wait()102}...

registry.go

Source:registry.go

...49	}50	switch registry.EventType(event.Type) {51	case registry.Create, registry.Update:52		log.Debugf("registering service: %s", svc.Name)53		if err := s.Registry.Register(svc, registry.RegisterTTL(ttl)); err != nil {54			log.Debugf("failed to register service: %s", svc.Name)55			return err56		}57	case registry.Delete:58		log.Debugf("deregistering service: %s", svc.Name)59		if err := s.Registry.Deregister(svc); err != nil {60			log.Debugf("failed to deregister service: %s", svc.Name)61			return err62		}63	}64	return nil65}66func Run(ctx *cli.Context) error {67	if len(ctx.String("server_name")) > 0 {68		name = ctx.String("server_name")69	}70	if len(ctx.String("address")) > 0 {71		address = ctx.String("address")72	}73	// service opts74	srvOpts := []service.Option{service.Name(name)}75	if i := time.Duration(ctx.Int("register_ttl")); i > 0 {76		srvOpts = append(srvOpts, service.RegisterTTL(i*time.Second))77	}78	if i := time.Duration(ctx.Int("register_interval")); i > 0 {79		srvOpts = append(srvOpts, service.RegisterInterval(i*time.Second))80	}81	// set address82	if len(address) > 0 {83		srvOpts = append(srvOpts, service.Address(address))84	}85	// new service86	srv := service.New(srvOpts...)87	// get server id88	id := srv.Server().Options().Id89	// register the handler90	pb.RegisterRegistryHandler(srv.Server(), &handler.Registry{91		ID:       id,92		Event:    service.NewEvent(topic, srv.Client()),93		Registry: srv.Options().Registry,94	})95	// run the service96	if err := srv.Run(); err != nil {97		log.Fatal(err)98	}99	return nil100}...

Using AI Code Generation

1import (2func main() {3	c := cron.New()4	c.AddFunc("* * * * * *", func() { fmt.Println("Every second") })5	c.AddFunc("@hourly", func() { fmt.Println("Every hour") })6	c.AddFunc("@every 1h30m", func() { fmt.Println("Every hour thirty") })7	c.Start()8	time.Sleep(100 * time.Second)9}10import (11func main() {12	c := cron.New()13	c.AddJob("* * * * * *", cron.FuncJob(func() { fmt.Println("Every second") }))14	c.AddJob("@hourly", cron.FuncJob(func() { fmt.Println("Every hour") }))15	c.AddJob("@every 1h30m", cron.FuncJob(func() { fmt.Println("Every hour thirty") }))16	c.Start()17	time.Sleep(100 * time.Second)18}19import (20func main() {21	c := cron.New()22	c.AddFunc("* * * * * *", func() { fmt.Println("Every second") })23	c.AddFunc("@hourly", func() { fmt.Println("Every hour") })24	c.AddFunc("@every 1h30m", func() { fmt.Println("Every hour thirty") })25	c.Start()26	time.Sleep(100 * time.Second)27}28import (29func main() {30	c := cron.New()31	c.AddFunc("* * * * * *", func() { fmt.Println("Every second") })32	c.AddFunc("@hourly", func() { fmt.Println("Every hour") })33	c.AddFunc("@every 1h30m", func() { fmt.Println("Every

Using AI Code Generation

1import (2type Event struct {3	handlers []func(interface{})4}5func (e *Event) Register(handler func(interface{})) {6	e.handlers = append(e.handlers, handler)7}8func (e *Event) Fire(sender interface{}) {9	for _, h := range e.handlers {10		h(sender)11	}12}13type Person struct {14}15func NewPerson(name string) *Person {16	return &Person{name, new(Event)}17}18func (p *Person) Subscribe(handler func(interface{})) {19	p.event.Register(handler)20}21func (p *Person) SayHello() {22	p.event.Fire(p)23}24func main() {25	p := NewPerson("Tom")26	p.Subscribe(func(sender interface{}) {27		fmt.Printf("%v said hello28	})29	p.SayHello()30}31import (32type Event struct {33	handlers []func(interface{})34}35func (e *Event) Register(handler func(interface{})) {36	e.handlers = append(e.handlers, handler)37}38func (e *Event) Fire(sender interface{}) {39	for _, h := range e.handlers {40		h(sender)41	}42}43type Person struct {44}45func NewPerson(name string) *Person {46	return &Person{name, new(Event)}47}48func (p *Person) Subscribe(handler func(interface{})) {49	p.event.Register(handler)50}51func (p *Person) SayHello() {52	p.event.Fire(p)53}54func main() {55	p := NewPerson("Tom")56	p.Subscribe(func(sender interface{}) {57		fmt.Printf("%v said hello58	})59	p.SayHello()60}61import (62type Event struct {63	handlers []func(interface{})64}65func (e *Event) Register(handler func(interface{})) {66	e.handlers = append(e.handlers, handler)67}68func (e *Event) Fire(sender interface{}) {69	for _, h := range e.handlers {70		h(sender)71	}72}73type Person struct {74}75func NewPerson(name string) *Person {76	return &Person{name,

Using AI Code Generation

1import (2type Event struct {3}4type Observer struct {5}6func (o *Observer) Register(e *Event) {7    fmt.Println("Observer", o.id, "got event with value", e.Data)8}9func main() {10    event := new(Event)11    observer := new(Observer)12    event.Register(observer)13}14import (15type Event struct {16}17type Observer struct {18}19func (o *Observer) Register(e *Event) {20    fmt.Println("Observer", o.id, "got event with value", e.Data)21}22func main() {23    event := new(Event)24    observer := new(Observer)25    event.Register(observer)26}27import (28type Event struct {29}30type Observer struct {31}32func (o *Observer) Register(e *Event) {33    fmt.Println("Observer", o.id, "got event with value", e.Data)34}35func main() {36    event := new(Event)37    observer := new(Observer)38    event.Register(observer)39}40import (41type Event struct {42}43type Observer struct {44}45func (o *Observer) Register(e *Event) {46    fmt.Println("Observer", o.id, "got event with value", e.Data)47}48func main() {

Using AI Code Generation

1import (2func main() {3    event := NewEvent()4    event.Register(func() {5        fmt.Println("Event triggered")6    })7    event.Trigger()8    time.Sleep(time.Second * 2)9}10type Event struct {11    subscribers []func()12}13func NewEvent() *Event {14    return &Event{}15}16func (e *Event) Register(handler func()) {17    e.subscribers = append(e.subscribers, handler)18}19func (e *Event) Trigger() {20    for _, sub := range e.subscribers {21        sub()22    }23}

Using AI Code Generation

1import (2type Event struct {3}4type EventListener struct {5}6func (e *Event) Register() {7    fmt.Println("Event registered")8}9func (e *EventListener) Listen() {10    fmt.Println("Event listener is listening")11}12func main() {13    e.Register()14    el.Listen()15}

Using AI Code Generation

1import (2type Event struct {3}4func (e *Event) Register() {5	fmt.Println("Register event", e.Name)6}7func main() {8	event := &Event{Name: "Test"}9	event.Register()10	t := reflect.TypeOf(event)11	m, _ := t.MethodByName("Register")12	m.Func.Call([]reflect.Value{reflect.ValueOf(event)})13}14import (15type Event struct {16}17func (e *Event) Register() {18	fmt.Println("Register event", e.Name)19}20func main() {21	event := &Event{Name: "Test"}22	event.Register()23	t := reflect.TypeOf(event)24	m, _ := t.MethodByName("Register")25	m.Func.CallSlice([]reflect

Using AI Code Generation

1import "event"2type person struct {3}4func (p person) eat() {5    fmt.Println(p.name, "is eating")6}7func (p person) sleep() {8    fmt.Println(p.name, "is sleeping")9}10func (p person) play() {11    fmt.Println(p.name, "is playing")12}13func (p person) work() {14    fmt.Println(p.name, "is working")15}16func main() {17    p := person{name: "John"}18    e := event.New()19    e.Register("eat", p.eat)20    e.Register("sleep", p.sleep)21    e.Register("play", p.play)22    e.Register("work", p.work)23    e.Trigger("eat")

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