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add some docs (#1176)

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
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Василий Толстов 2020-02-08 00:48:24 +03:00 committed by GitHub
parent ef537270ad
commit f0f7f860d6
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1 changed files with 11 additions and 2 deletions
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13
options.go
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@ -16,6 +16,7 @@ import (
"github.com/micro/go-micro/v2/transport" "github.com/micro/go-micro/v2/transport"
) )
// Options for micro service
type Options struct { type Options struct {
Broker broker.Broker Broker broker.Broker
Cmd cmd.Cmd Cmd cmd.Cmd
@ -56,6 +57,7 @@ func newOptions(opts ...Option) Options {
return opt return opt
} }
// Broker to be used for service
func Broker(b broker.Broker) Option { func Broker(b broker.Broker) Option {
return func(o *Options) { return func(o *Options) {
o.Broker = b o.Broker = b
@ -71,6 +73,7 @@ func Cmd(c cmd.Cmd) Option {
} }
} }
// Client to be used for service
func Client(c client.Client) Option { func Client(c client.Client) Option {
return func(o *Options) { return func(o *Options) {
o.Client = c o.Client = c
@ -78,8 +81,7 @@ func Client(c client.Client) Option {
} }
// Context specifies a context for the service. // Context specifies a context for the service.
// Can be used to signal shutdown of the service. // Can be used to signal shutdown of the service and for extra option values.
// Can be used for extra option values.
func Context(ctx context.Context) Option { func Context(ctx context.Context) Option {
return func(o *Options) { return func(o *Options) {
o.Context = ctx o.Context = ctx
@ -95,6 +97,7 @@ func HandleSignal(b bool) Option {
} }
} }
// Server to be used for service
func Server(s server.Server) Option { func Server(s server.Server) Option {
return func(o *Options) { return func(o *Options) {
o.Server = s o.Server = s
@ -176,12 +179,14 @@ func Metadata(md map[string]string) Option {
} }
} }
// Flags that can be passed to service
func Flags(flags ...cli.Flag) Option { func Flags(flags ...cli.Flag) Option {
return func(o *Options) { return func(o *Options) {
o.Cmd.App().Flags = append(o.Cmd.App().Flags, flags...) o.Cmd.App().Flags = append(o.Cmd.App().Flags, flags...)
} }
} }
// Action can be used to parse user provided cli options
func Action(a func(*cli.Context) error) Option { func Action(a func(*cli.Context) error) Option {
return func(o *Options) { return func(o *Options) {
o.Cmd.App().Action = a o.Cmd.App().Action = a
@ -251,24 +256,28 @@ func WrapSubscriber(w ...server.SubscriberWrapper) Option {
// Before and Afters // Before and Afters
// BeforeStart run funcs before service starts
func BeforeStart(fn func() error) Option { func BeforeStart(fn func() error) Option {
return func(o *Options) { return func(o *Options) {
o.BeforeStart = append(o.BeforeStart, fn) o.BeforeStart = append(o.BeforeStart, fn)
} }
} }
// BeforeStop run funcs before service stops
func BeforeStop(fn func() error) Option { func BeforeStop(fn func() error) Option {
return func(o *Options) { return func(o *Options) {
o.BeforeStop = append(o.BeforeStop, fn) o.BeforeStop = append(o.BeforeStop, fn)
} }
} }
// AfterStart run funcs after service starts
func AfterStart(fn func() error) Option { func AfterStart(fn func() error) Option {
return func(o *Options) { return func(o *Options) {
o.AfterStart = append(o.AfterStart, fn) o.AfterStart = append(o.AfterStart, fn)
} }
} }
// AfterStop run funcs after service stops
func AfterStop(fn func() error) Option { func AfterStop(fn func() error) Option {
return func(o *Options) { return func(o *Options) {
o.AfterStop = append(o.AfterStop, fn) o.AfterStop = append(o.AfterStop, fn)