micro/server/options.go
2015-11-26 00:23:36 +00:00

155 lines
2.6 KiB
Go

package server
import (
"github.com/micro/go-micro/broker"
"github.com/micro/go-micro/registry"
"github.com/micro/go-micro/transport"
)
type options struct {
codecs map[string]CodecFunc
broker broker.Broker
registry registry.Registry
transport transport.Transport
metadata map[string]string
name string
address string
advertise string
id string
version string
}
func newOptions(opt ...Option) options {
opts := options{
codecs: make(map[string]CodecFunc),
}
for _, o := range opt {
o(&opts)
}
if opts.broker == nil {
opts.broker = broker.DefaultBroker
}
if opts.registry == nil {
opts.registry = registry.DefaultRegistry
}
if opts.transport == nil {
opts.transport = transport.DefaultTransport
}
if len(opts.address) == 0 {
opts.address = DefaultAddress
}
if len(opts.name) == 0 {
opts.name = DefaultName
}
if len(opts.id) == 0 {
opts.id = DefaultId
}
if len(opts.version) == 0 {
opts.version = DefaultVersion
}
return opts
}
func (o options) Name() string {
return o.name
}
func (o options) Id() string {
return o.name + "-" + o.id
}
func (o options) Version() string {
return o.version
}
func (o options) Address() string {
return o.address
}
func (o options) Advertise() string {
return o.advertise
}
func (o options) Metadata() map[string]string {
return o.metadata
}
// Server name
func Name(n string) Option {
return func(o *options) {
o.name = n
}
}
// Unique server id
func Id(id string) Option {
return func(o *options) {
o.id = id
}
}
// Version of the service
func Version(v string) Option {
return func(o *options) {
o.version = v
}
}
// Address to bind to - host:port
func Address(a string) Option {
return func(o *options) {
o.address = a
}
}
// The address to advertise for discovery - host:port
func Advertise(a string) Option {
return func(o *options) {
o.advertise = a
}
}
// Broker to use for pub/sub
func Broker(b broker.Broker) Option {
return func(o *options) {
o.broker = b
}
}
// Codec to use to encode/decode requests for a given content type
func Codec(contentType string, cf CodecFunc) Option {
return func(o *options) {
o.codecs[contentType] = cf
}
}
// Registry used for discovery
func Registry(r registry.Registry) Option {
return func(o *options) {
o.registry = r
}
}
// Transport mechanism for communication e.g http, rabbitmq, etc
func Transport(t transport.Transport) Option {
return func(o *options) {
o.transport = t
}
}
// Metadata associated with the server
func Metadata(md map[string]string) Option {
return func(o *options) {
o.metadata = md
}
}