From ec5c0495c9a19fd24d232fa76ab1c6abb20b6e32 Mon Sep 17 00:00:00 2001
From: Minh Doan <minh@simple-rules.com>
Date: Tue, 8 Jan 2019 15:40:45 -0800
Subject: [PATCH] refactor singleton

---
 internal/utils/singleton.go | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/internal/utils/singleton.go b/internal/utils/singleton.go
index 55e44193e..c67da712f 100644
--- a/internal/utils/singleton.go
+++ b/internal/utils/singleton.go
@@ -14,19 +14,19 @@ type UniqueValidatorID struct {
 	uniqueID uint32
 }
 
-var instance *UniqueValidatorID
+var validatorIDInstance *UniqueValidatorID
 var logInstance log.Logger
-var once sync.Once
+var onceForUniqueValidatorID sync.Once
 var onceForLog sync.Once
 
 // GetUniqueValidatorIDInstance returns a singleton instance
 func GetUniqueValidatorIDInstance() *UniqueValidatorID {
-	once.Do(func() {
-		instance = &UniqueValidatorID{
+	onceForUniqueValidatorID.Do(func() {
+		validatorIDInstance = &UniqueValidatorID{
 			uniqueID: 0,
 		}
 	})
-	return instance
+	return validatorIDInstance
 }
 
 // GetUniqueID returns a unique ID and increment the internal variable