selector

Documentation

Index

• Variables
• type Option
  • func BalanceStrategy(fn Strategy) Option
  • func Filter(fn ...registry.Filter) Option
• type Options
• type Selector
• type Strategy
  • func Random() Strategy
  • func RoundRobin() Strategy

Variables

var (
	ErrNotFound      = errors.New("not found")
	ErrNoneAvailable = errors.New("none available")
)

Types

type Option

type Option func(*Options)

func BalanceStrategy

func BalanceStrategy(fn Strategy) Option

func Filter

func Filter(fn ...registry.Filter) Option

type Options

type Options struct {
	Strategy Strategy
	Filters  []registry.Filter

	Context context.Context
}

type Selector

type Selector interface {
	Options() Options
	Next(service string) (*registry.Node, error)
	Close() error
	String() string
}

type Strategy

type Strategy func([]*registry.Service) (*registry.Node, error)

Strategy is a selection strategy e.g random, round robin

func Random

func Random() Strategy

Random is a random strategy algorithm for node selection

func RoundRobin

func RoundRobin() Strategy

RoundRobin is a round robin strategy algorithm for node selection