fix

Signed-off-by: Yuji Oshima <yuji.oshima0x3fd@gmail.com>

Author: YujiOshima

cmd/cli/application/application.go

@@ -16,6 +16,7 @@ import (
 
 var log = logutil.New("module", "cli/event")
 
+//OPERATIONS code of update command
 var OPERATIONS = map[int]string{1: "Add", 2: "Delete", 3: "Update", 4: "Read"}
 
 func init() {

examples/application/event-repeater/application.go

@@ -13,6 +13,7 @@ import (
 	"sync"
 )
 
+// NewEventRepeater creates an event repeater application.
 func NewEventRepeater(eSource string, eSink string, protocol string, allowall bool) application.Plugin {
 	sub, err := event_rpc.NewClient(eSource)
 	if err != nil {
@@ -71,6 +72,7 @@ type eventRepeater struct {
 	eventListMt   *sync.Mutex
 }
 
+// RepeatRule for each event
 type RepeatRule struct {
 	SourceTopic  string
 	SinkTopic    string
@@ -80,8 +82,8 @@ type RepeatRule struct {
 }
 
 type messageData struct {
-	SourceTopic string `json:"sourcetopic",omitempty"`
-	SinkTopic   string `json:"sinktopic",omitempty"`
+	SourceTopic string `json:"sourcetopic, omitempty"`
+	SinkTopic   string `json:"sinktopic, omitempty"`
 }
 
 func (e eventRepeater) Validate(applicationProperties *types.Any) error {
@@ -92,7 +94,7 @@ func (e eventRepeater) Healthy(applicationProperties *types.Any) (application.He
 	return application.Healthy, nil
 }
 
-func (e eventRepeater) AddEvent(sourcesTopic string, sinkTopic string) error {
+func (e eventRepeater) addEvent(sourcesTopic string, sinkTopic string) error {
 	if sourcesTopic == "" {
 		return fmt.Errorf("Error: %s", "You must have a topic of source for add repeat event.")
 	}
@@ -120,7 +122,7 @@ func (e eventRepeater) AddEvent(sourcesTopic string, sinkTopic string) error {
 	return nil
 }
 
-func (e eventRepeater) DelEvent(sourcesTopic string) error {
+func (e eventRepeater) delEvent(sourcesTopic string) error {
 	if sourcesTopic == "" {
 		return fmt.Errorf("Error: %s", "You must have a topic of source for delete repeat event.")
 	}
@@ -167,7 +169,6 @@ func (e eventRepeater) publishToSink(rr *RepeatRule) error {
 			}
 		}
 	}
-	return nil
 }
 
 func (e eventRepeater) Update(message *application.Message) error {
@@ -183,25 +184,25 @@ func (e eventRepeater) Update(message *application.Message) error {
 		case application.ADD:
 			for _, d := range dataStruct {
 				log.Debugf("Add message %v \n", d)
-				err := e.AddEvent(d.SourceTopic, d.SinkTopic)
+				err := e.addEvent(d.SourceTopic, d.SinkTopic)
 				if err != nil {
 					return err
 				}
 			}
 		case application.DELETE:
 			for _, d := range dataStruct {
-				err := e.DelEvent(d.SourceTopic)
+				err := e.delEvent(d.SourceTopic)
 				if err != nil {
 					return err
 				}
 			}
 		case application.UPDATE:
 			for _, d := range dataStruct {
-				err := e.DelEvent(d.SourceTopic)
+				err := e.delEvent(d.SourceTopic)
 				if err != nil {
 					return err
 				}
-				err = e.AddEvent(d.SourceTopic, d.SinkTopic)
+				err = e.addEvent(d.SourceTopic, d.SinkTopic)
 				if err != nil {
 					return err
 				}
@@ -218,7 +219,7 @@ func (e eventRepeater) Update(message *application.Message) error {
 
 func (e eventRepeater) serve() error {
 	if e.allowAll {
-		e.AddEvent(".", "")
+		e.addEvent(".", "")
 	}
 	for {
 		select {

pkg/rpc/application/service.go

@@ -151,6 +151,7 @@ func (p *Application) Healthy(_ *http.Request, req *HealthyRequest, resp *Health
 	return nil
 }
 
+// Update specify resource information
 func (p *Application) Update(_ *http.Request, req *UpdateRequest, resp *UpdateResponse) error {
 	resp.Type = req.Type
 	c := p.getPlugin(req.Type)

pkg/spi/application/types.go

@@ -4,19 +4,28 @@ import (
 	"github.com/docker/infrakit/pkg/types"
 )
 
+// Type is the type of an application.  This gives hint about what struct types to map to, etc.
+// It also marks one instance of an application as of different nature from another.
 type Type string
+
+//Operation : update operation code
 type Operation int
 
 const (
 	// TypeError is the type to use for sending errors in the transport of the events.
 	TypeError = Type("error")
 
+	// ADD new resources
 	ADD Operation = iota
+	// DELETE resources
 	DELETE
+	// UPDATE resources
 	UPDATE
+	// GET resources
 	GET
 )
 
+// Message :update message struct
 type Message struct {
 	Op       Operation
 	Resource string

pkg/spi/event/spi.go

@@ -40,7 +40,3 @@ type Subscriber interface {
 	// SubscribeOn returns the channel for the topic
 	SubscribeOn(topic types.Path) (<-chan *Event, chan<- struct{}, error)
 }
-
-type Application interface {
-	List(topic types.Path) ([]string, error)
-}