registry

type DeregisterOption func(*DeregisterOptions)

type DeregisterOptions struct {
	Context context.Context
}

type Event struct {
	// Id is registry id
	Id string
	// Type defines type of event
	Type EventType
	// Timestamp is event timestamp
	Timestamp time.Time
	// Service is registry service
	Service *Service
}

type EventType int

type GetOption func(*GetOptions)

type GetOptions struct {
	Context context.Context
}

type ListOption func(*ListOptions)

type ListOptions struct {
	Context context.Context
}

type Node struct {
	Id       string            `json:"id"`
	Address  string            `json:"address"`
	Metadata map[string]string `json:"metadata"`
}

type Option func(*Options)

type Options struct {
	Addrs   []string
	Timeout time.Duration
	Context context.Context
}

type RegisterOption func(*RegisterOptions)

type RegisterOptions struct {
	TTL     time.Duration
	Context context.Context
}

type Registry interface {
	Init(...Option) error
	Options() Options
	Register(*Service, ...RegisterOption) error
	Deregister(*Service, ...DeregisterOption) error
	GetService(string, ...GetOption) ([]*Service, error)
	ListServices(...ListOption) ([]*Service, error)
	Watch(...WatchOption) (Watcher, error)
	String() string
}

type ResolverOption func(*ResolverOptions)

type ResolverOptions struct {
	Scheme  string
	Service string
	TimeOut time.Duration
}

type Result struct {
	Action  string
	Service *Service
}

type Service struct {
	Name     string            `json:"name"`
	Version  string            `json:"version"`
	Metadata map[string]string `json:"metadata"`
	Nodes    []*Node           `json:"nodes"`
}

type WatchOption func(*WatchOptions)

type WatchOptions struct {
	// Specify a service to watch
	// If blank, the watch is for all services
	Service string
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type Watcher interface {
	// Next is a blocking call
	Next() (*Result, error)
	Stop()
}