// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Package admin healthcheck
//
// type DatabaseCheck struct {
// }
//
// func (dc *DatabaseCheck) Check() error {
//	if dc.isConnected() {
//		return nil
//	} else {
//		return errors.New("can't connect database")
// 	 }
// }
//
// AddHealthCheck("database",&DatabaseCheck{})
//
// more docs: http://beego.me/docs/module/toolbox.md
package admin

// AdminCheckList holds health checker map
var AdminCheckList map[string]HealthChecker

// HealthChecker health checker interface
type HealthChecker interface {
	Check() error
}

// AddHealthCheck add health checker with name string
func AddHealthCheck(name string, hc HealthChecker) {
	AdminCheckList[name] = hc
}

func init() {
	AdminCheckList = make(map[string]HealthChecker)
}