From 8353ce81e901e6dbf057f8c540d34e82e3308f08 Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Tue, 26 Sep 2017 11:29:41 +0800
Subject: [PATCH] rename and comments

---
 engine_group.go        | 14 +++++++-------
 engine_group_policy.go |  5 ++---
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/engine_group.go b/engine_group.go
index fe51f30f..88d0db0f 100644
--- a/engine_group.go
+++ b/engine_group.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The Xorm Authors. All rights reserved.
+// Copyright 2017 The Xorm Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
@@ -21,12 +21,12 @@ type EngineGroup struct {
 	weight  []int
 	count   int
 	s_count int
-	policy  Policy
+	policy  GroupPolicy
 	p       int
 }
 
-func NewGroup(args1 interface{}, args2 interface{}, policies ...Policy) (*EngineGroup, error) {
-	var policy Policy
+func NewGroup(args1 interface{}, args2 interface{}, policies ...GroupPolicy) (*EngineGroup, error) {
+	var policy GroupPolicy
 	if len(policies) > 0 {
 		policy = policies[0]
 	} else {
@@ -47,7 +47,7 @@ func NewGroup(args1 interface{}, args2 interface{}, policies ...Policy) (*Engine
 	return nil, ErrParamsType
 }
 
-func newGroup1(driverName string, dataSourceNames string, policy Policy) (*EngineGroup, error) {
+func newGroup1(driverName string, dataSourceNames string, policy GroupPolicy) (*EngineGroup, error) {
 	conns := strings.Split(dataSourceNames, ";")
 	engines := make([]*Engine, len(conns))
 	for i, _ := range conns {
@@ -67,7 +67,7 @@ func newGroup1(driverName string, dataSourceNames string, policy Policy) (*Engin
 	}, nil
 }
 
-func newGroup2(Master *Engine, Slaves []*Engine, policy Policy) (*EngineGroup, error) {
+func newGroup2(Master *Engine, Slaves []*Engine, policy GroupPolicy) (*EngineGroup, error) {
 	return &EngineGroup{
 		master:  Master,
 		slaves:  Slaves,
@@ -77,7 +77,7 @@ func newGroup2(Master *Engine, Slaves []*Engine, policy Policy) (*EngineGroup, e
 	}, nil
 }
 
-func (eg *EngineGroup) SetPolicy(policy Policy) *EngineGroup {
+func (eg *EngineGroup) SetPolicy(policy GroupPolicy) *EngineGroup {
 	eg.policy = policy
 	return eg
 }
diff --git a/engine_group_policy.go b/engine_group_policy.go
index bd4ba4ae..f2efca40 100644
--- a/engine_group_policy.go
+++ b/engine_group_policy.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The Xorm Authors. All rights reserved.
+// Copyright 2017 The Xorm Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
@@ -7,11 +7,10 @@ package xorm
 import (
 	"math/rand"
 	"sync"
-
 	"time"
 )
 
-type Policy interface {
+type GroupPolicy interface {
 	Slave(*EngineGroup) *Engine
 }