/**
* 简化版的缓存配置
*
* @module libs/storage/Config
* @createdAt 2016-07-21
*
* @copyright Copyright (c) 2016 Zhonglei Qiu
* @license Licensed under the MIT license.
*/
var DotProp = require('../lang/DotProp')
/**
* @class
* @param {Storage} storage
*/
function Config(storage) {
if (!storage.data) storage.initSync()
this.dp = new DotProp(storage.data)
this.storage = storage
}
/**
* 是否存在某个 key
* @param {String} key
* @return {Boolean}
*/
Config.prototype.has = function(key) {
return this.dp.has(key)
}
/**
* 获取某个 key 对应的值
* @param {String} key
* @return {*}
*/
Config.prototype.get = function(key) {
return this.dp.get(key)
}
/**
* 删除某个 key
* @param {String} key
* @return {Boolean} 是否删除成功
*/
Config.prototype.del = function(key) {
var rtn = this.dp.del(key)
if (rtn) {
this.storage.updateSync()
}
return rtn
}
/**
* 修改某个 key 上对应的值
* @param {String} key
* @param {*} val
* @return {Boolean} 是否修改成功
*/
Config.prototype.set = function(key, val) {
var rtn = this.dp.set(key, val)
if (rtn) {
this.storage.updateSync()
}
return rtn
}
module.exports = Config
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