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mirror of https://github.com/go-micro/go-micro.git synced 2024-12-18 08:26:38 +02:00
go-micro/go-micro.go
2016-11-20 14:59:09 +00:00

46 lines
1.1 KiB
Go

// Package micro is a pluggable RPC framework for microservices
package micro
import (
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/server"
"golang.org/x/net/context"
)
type serviceKey struct{}
// Service is an interface that wraps the lower level libraries
// within go-micro. Its a convenience method for building
// and initialising services.
type Service interface {
Init(...Option)
Options() Options
Client() client.Client
Server() server.Server
Run() error
String() string
}
type Option func(*Options)
var (
HeaderPrefix = "X-Micro-"
)
// NewService creates an returns a new Service based on the packages within.
func NewService(opts ...Option) Service {
return newService(opts...)
}
// FromContext retrieves a Service from the Context.
func FromContext(ctx context.Context) (Service, bool) {
s, ok := ctx.Value(serviceKey{}).(Service)
return s, ok
}
// NewContext returns a new Context with the Service embedded within it.
func NewContext(ctx context.Context, s Service) context.Context {
return context.WithValue(ctx, serviceKey{}, s)
}