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services map as own type; function makeCtx; record context children

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This commit is contained in:
Helmut Merz 2023-06-03 08:41:55 +02:00
parent 87ff5d5d93
commit 9797c3515a
1 changed files with 24 additions and 14 deletions
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34
common/common.go
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@ -7,10 +7,12 @@ type Config interface {
Add(Config)
}
type Services map[string]Context
type Context interface {
Config() Config
Parent() Context
Services() map[string]Context
Services() Services
ChildContext(Config) Context
}
@ -21,6 +23,7 @@ type StartFct = func(Context)
type context struct {
cfg Config
parent Context
children []Context
}
func (ctx *context) Config() Config {
@ -31,36 +34,43 @@ func (ctx *context) Parent() Context {
return ctx.parent
}
func (ctx *context) Services() map[string]Context {
func (ctx *context) Services() Services {
return ctx.parent.Services()
}
func (ctx *context) ChildContext(cfg Config) Context {
cctx := context{cfg, ctx}
ctx.Services()[cfg.Name()] = &cctx
return &cctx
cctx := makeCtx(cfg, ctx)
ctx.Services()[cfg.Name()] = cctx
ctx.children = append(ctx.children, cctx)
return cctx
}
func makeCtx(cfg Config, parent Context) *context {
ctx := context{cfg, parent, nil}
return &ctx
}
// top-level application context
type appContext struct {
*context
services map[string]Context
services Services
}
func (ctx *appContext) ChildContext(cfg Config) Context {
cctx := context{cfg, ctx}
ctx.services[cfg.Name()] = &cctx
return &cctx
cctx := makeCtx(cfg, ctx)
ctx.services[cfg.Name()] = cctx
ctx.children = append(ctx.children, cctx)
return cctx
}
func (ctx *appContext) Services() map[string]Context {
func (ctx *appContext) Services() Services {
return ctx.services
}
func AppContext(cfg Config) Context {
return &appContext{
context: &context{cfg, nil},
services: map[string]Context{},
context: makeCtx(cfg, nil),
services: Services{},
}
}