优化代码规范

cluster/nodettl.go

@@ -1,53 +1,53 @@
 package cluster
 
 import (
-	"time"
 	"container/list"
+	"time"
 )
 
 type nodeTTL struct {
-	nodeId string
+	nodeId      string
 	refreshTime time.Time
 }
 
 type nodeSetTTL struct {
-	l *list.List
+	l          *list.List
 	mapElement map[string]*list.Element
-	ttl time.Duration
+	ttl        time.Duration
 }
 
 func (ns *nodeSetTTL) init(ttl time.Duration) {
 	ns.ttl = ttl
-	ns.mapElement = make(map[string]*list.Element,32)
+	ns.mapElement = make(map[string]*list.Element, 32)
 	ns.l = list.New()
 }
 
 func (ns *nodeSetTTL) removeNode(nodeId string) {
-	ele,ok:=ns.mapElement[nodeId]
+	ele, ok := ns.mapElement[nodeId]
 	if ok == false {
 		return
 	}
 
 	ns.l.Remove(ele)
-	delete(ns.mapElement,nodeId)
+	delete(ns.mapElement, nodeId)
 }
 
-func (ns *nodeSetTTL) addAndRefreshNode(nodeId string){
-	ele,ok:=ns.mapElement[nodeId]
+func (ns *nodeSetTTL) addAndRefreshNode(nodeId string) {
+	ele, ok := ns.mapElement[nodeId]
 	if ok == false {
 		ele = ns.l.PushBack(nodeId)
-		ele.Value = &nodeTTL{nodeId,time.Now()}
+		ele.Value = &nodeTTL{nodeId, time.Now()}
 		ns.mapElement[nodeId] = ele
 		return
 	}
 
-	ele.Value.(*nodeTTL).refreshTime =  time.Now()
+	ele.Value.(*nodeTTL).refreshTime = time.Now()
 	ns.l.MoveToBack(ele)
 }
 
-func (ns *nodeSetTTL) checkTTL(cb func(nodeIdList []string)){
-	nodeIdList := []string{}
-	for{
+func (ns *nodeSetTTL) checkTTL(cb func(nodeIdList []string)) {
+	var nodeIdList []string
+	for {
 		f := ns.l.Front()
 		if f == nil {
 			break
@@ -55,17 +55,17 @@ func (ns *nodeSetTTL) checkTTL(cb func(nodeIdList []string)){
 
 		nt := f.Value.(*nodeTTL)
 		if time.Now().Sub(nt.refreshTime) > ns.ttl {
-			nodeIdList = append(nodeIdList,nt.nodeId)
-		}else{
+			nodeIdList = append(nodeIdList, nt.nodeId)
+		} else {
 			break
 		}
 
 		//删除结点
 		ns.l.Remove(f)
-		delete(ns.mapElement,nt.nodeId)
+		delete(ns.mapElement, nt.nodeId)
 	}
 
-	if len(nodeIdList) >0 {
+	if len(nodeIdList) > 0 {
 		cb(nodeIdList)
 	}
 }