#97 add As for Broker. #298
| @@ -1,34 +0,0 @@ | ||||
| package broker | ||||
|  | ||||
| import ( | ||||
| 	"reflect" | ||||
| ) | ||||
|  | ||||
| func As(b Broker, target any) bool { | ||||
| 	if b == nil { | ||||
| 		return false | ||||
| 	} | ||||
| 	if target == nil { | ||||
| 		return false | ||||
| 	} | ||||
| 	val := reflect.ValueOf(target) | ||||
| 	typ := val.Type() | ||||
| 	if typ.Kind() != reflect.Ptr || val.IsNil() { | ||||
| 		return false | ||||
| 	} | ||||
| 	targetType := typ.Elem() | ||||
| 	if targetType.Kind() != reflect.Interface && !targetType.Implements(brokerType) { | ||||
| 		return false | ||||
| 	} | ||||
| 	return as(b, val, targetType) | ||||
| } | ||||
|  | ||||
| func as(b Broker, targetVal reflect.Value, targetType reflect.Type) bool { | ||||
| 	if reflect.TypeOf(b).AssignableTo(targetType) { | ||||
| 		targetVal.Elem().Set(reflect.ValueOf(b)) | ||||
| 		return true | ||||
| 	} | ||||
| 	return false | ||||
| } | ||||
|  | ||||
| var brokerType = reflect.TypeOf((*Broker)(nil)).Elem() | ||||
							
								
								
									
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								micro.go
									
									
									
									
									
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								micro.go
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,77 @@ | ||||
| package micro | ||||
|  | ||||
| import ( | ||||
| 	"reflect" | ||||
|  | ||||
| 	"go.unistack.org/micro/v4/broker" | ||||
| 	"go.unistack.org/micro/v4/client" | ||||
| 	"go.unistack.org/micro/v4/codec" | ||||
| 	"go.unistack.org/micro/v4/flow" | ||||
| 	"go.unistack.org/micro/v4/fsm" | ||||
| 	"go.unistack.org/micro/v4/logger" | ||||
| 	"go.unistack.org/micro/v4/meter" | ||||
| 	"go.unistack.org/micro/v4/register" | ||||
| 	"go.unistack.org/micro/v4/resolver" | ||||
| 	"go.unistack.org/micro/v4/router" | ||||
| 	"go.unistack.org/micro/v4/selector" | ||||
| 	"go.unistack.org/micro/v4/server" | ||||
| 	"go.unistack.org/micro/v4/store" | ||||
| 	"go.unistack.org/micro/v4/sync" | ||||
| 	"go.unistack.org/micro/v4/tracer" | ||||
| ) | ||||
|  | ||||
| func As(b any, target any) bool { | ||||
| 	if b == nil { | ||||
| 		return false | ||||
| 	} | ||||
| 	if target == nil { | ||||
| 		return false | ||||
| 	} | ||||
| 	val := reflect.ValueOf(target) | ||||
| 	typ := val.Type() | ||||
| 	if typ.Kind() != reflect.Ptr || val.IsNil() { | ||||
| 		return false | ||||
| 	} | ||||
| 	targetType := typ.Elem() | ||||
| 	if targetType.Kind() != reflect.Interface && | ||||
| 		!(targetType.Implements(brokerType) || | ||||
| 			targetType.Implements(loggerType) || | ||||
| 			targetType.Implements(clientType) || | ||||
| 			targetType.Implements(serverType) || | ||||
| 			targetType.Implements(codecType) || | ||||
| 			targetType.Implements(flowType) || | ||||
| 			targetType.Implements(fsmType) || | ||||
| 			targetType.Implements(meterType) || | ||||
| 			targetType.Implements(registerType) || | ||||
| 			targetType.Implements(resolverType) || | ||||
| 			targetType.Implements(selectorType) || | ||||
| 			targetType.Implements(storeType) || | ||||
| 			targetType.Implements(syncType) || | ||||
| 			targetType.Implements(tracerType) || | ||||
| 			targetType.Implements(serviceType) || | ||||
| 			targetType.Implements(routerType)) { | ||||
| 		return false | ||||
| 	} | ||||
| 	if reflect.TypeOf(b).AssignableTo(targetType) { | ||||
| 		val.Elem().Set(reflect.ValueOf(b)) | ||||
| 		return true | ||||
| 	} | ||||
| 	return false | ||||
| } | ||||
|  | ||||
| var brokerType = reflect.TypeOf((*broker.Broker)(nil)).Elem() | ||||
| var loggerType = reflect.TypeOf((*logger.Logger)(nil)).Elem() | ||||
| var clientType = reflect.TypeOf((*client.Client)(nil)).Elem() | ||||
| var serverType = reflect.TypeOf((*server.Server)(nil)).Elem() | ||||
| var codecType = reflect.TypeOf((*codec.Codec)(nil)).Elem() | ||||
| var flowType = reflect.TypeOf((*flow.Flow)(nil)).Elem() | ||||
| var fsmType = reflect.TypeOf((*fsm.FSM)(nil)).Elem() | ||||
| var meterType = reflect.TypeOf((*meter.Meter)(nil)).Elem() | ||||
| var registerType = reflect.TypeOf((*register.Register)(nil)).Elem() | ||||
| var resolverType = reflect.TypeOf((*resolver.Resolver)(nil)).Elem() | ||||
| var routerType = reflect.TypeOf((*router.Router)(nil)).Elem() | ||||
| var selectorType = reflect.TypeOf((*selector.Selector)(nil)).Elem() | ||||
| var storeType = reflect.TypeOf((*store.Store)(nil)).Elem() | ||||
| var syncType = reflect.TypeOf((*sync.Sync)(nil)).Elem() | ||||
| var tracerType = reflect.TypeOf((*tracer.Tracer)(nil)).Elem() | ||||
| var serviceType = reflect.TypeOf((*Service)(nil)).Elem() | ||||
| @@ -1,4 +1,4 @@ | ||||
| package broker | ||||
| package micro | ||||
| 
 | ||||
| import ( | ||||
| 	"context" | ||||
| @@ -6,45 +6,18 @@ import ( | ||||
| 	"reflect" | ||||
| 	"testing" | ||||
| 
 | ||||
| 	"go.unistack.org/micro/v4/broker" | ||||
| 	"go.unistack.org/micro/v4/fsm" | ||||
| 	"go.unistack.org/micro/v4/options" | ||||
| ) | ||||
| 
 | ||||
| type bro struct { | ||||
| 	name string | ||||
| } | ||||
| 
 | ||||
| func (p *bro) Name() string                      { return p.name } | ||||
| func (p *bro) Init(opts ...options.Option) error { return nil } | ||||
| 
 | ||||
| // Options returns broker options | ||||
| func (p *bro) Options() Options { return Options{} } | ||||
| 
 | ||||
| // Address return configured address | ||||
| func (p *bro) Address() string { return "" } | ||||
| 
 | ||||
| // Connect connects to broker | ||||
| func (p *bro) Connect(ctx context.Context) error { return nil } | ||||
| 
 | ||||
| // Disconnect disconnect from broker | ||||
| func (p *bro) Disconnect(ctx context.Context) error { return nil } | ||||
| 
 | ||||
| // Publish message, msg can be single broker.Message or []broker.Message | ||||
| func (p *bro) Publish(ctx context.Context, msg interface{}, opts ...options.Option) error { return nil } | ||||
| 
 | ||||
| // Subscribe subscribes to topic message via handler | ||||
| func (p *bro) Subscribe(ctx context.Context, topic string, handler interface{}, opts ...options.Option) (Subscriber, error) { | ||||
| 	return nil, nil | ||||
| } | ||||
| 
 | ||||
| // String type of broker | ||||
| func (p *bro) String() string { return p.name } | ||||
| 
 | ||||
| func TestAs(t *testing.T) { | ||||
| 	var b *bro | ||||
| 	broTarget := &bro{name: "kafka"} | ||||
| 	fsmTarget := &fsmT{name: "fsm"} | ||||
| 
 | ||||
| 	testCases := []struct { | ||||
| 		b      Broker | ||||
| 		b      any | ||||
| 		target any | ||||
| 		match  bool | ||||
| 		want   any | ||||
| @@ -61,6 +34,12 @@ func TestAs(t *testing.T) { | ||||
| 			false, | ||||
| 			nil, | ||||
| 		}, | ||||
| 		{ | ||||
| 			fsmTarget, | ||||
| 			&b, | ||||
| 			false, | ||||
| 			nil, | ||||
| 		}, | ||||
| 	} | ||||
| 	for i, tc := range testCases { | ||||
| 		name := fmt.Sprintf("%d:As(Errorf(..., %v), %v)", i, tc.b, tc.target) | ||||
| @@ -81,3 +60,44 @@ func TestAs(t *testing.T) { | ||||
| 		}) | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| type bro struct { | ||||
| 	name string | ||||
| } | ||||
| 
 | ||||
| func (p *bro) Name() string                      { return p.name } | ||||
| func (p *bro) Init(opts ...options.Option) error { return nil } | ||||
| 
 | ||||
| // Options returns broker options | ||||
| func (p *bro) Options() broker.Options { return broker.Options{} } | ||||
| 
 | ||||
| // Address return configured address | ||||
| func (p *bro) Address() string { return "" } | ||||
| 
 | ||||
| // Connect connects to broker | ||||
| func (p *bro) Connect(ctx context.Context) error { return nil } | ||||
| 
 | ||||
| // Disconnect disconnect from broker | ||||
| func (p *bro) Disconnect(ctx context.Context) error { return nil } | ||||
| 
 | ||||
| // Publish message, msg can be single broker.Message or []broker.Message | ||||
| func (p *bro) Publish(ctx context.Context, msg interface{}, opts ...options.Option) error { return nil } | ||||
| 
 | ||||
| // Subscribe subscribes to topic message via handler | ||||
| func (p *bro) Subscribe(ctx context.Context, topic string, handler interface{}, opts ...options.Option) (broker.Subscriber, error) { | ||||
| 	return nil, nil | ||||
| } | ||||
| 
 | ||||
| // String type of broker | ||||
| func (p *bro) String() string { return p.name } | ||||
| 
 | ||||
| type fsmT struct { | ||||
| 	name string | ||||
| } | ||||
| 
 | ||||
| func (f *fsmT) Start(ctx context.Context, a interface{}, o ...Option) (interface{}, error) { | ||||
| 	return nil, nil | ||||
| } | ||||
| func (f *fsmT) Current() string                  { return f.name } | ||||
| func (f *fsmT) Reset()                           {} | ||||
| func (f *fsmT) State(s string, sf fsm.StateFunc) {} | ||||
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