143 lines
1.9 KiB
JavaScript
143 lines
1.9 KiB
JavaScript
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/*!
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* socket.io-node
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* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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var crypto = require('crypto')
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, Store = require('../store');
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/**
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* Exports the constructor.
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*/
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exports = module.exports = Memory;
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Memory.Client = Client;
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/**
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* Memory store
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*
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* @api public
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*/
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function Memory (opts) {
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Store.call(this, opts);
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};
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/**
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* Inherits from Store.
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*/
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Memory.prototype.__proto__ = Store.prototype;
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/**
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* Publishes a message.
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*
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* @api private
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*/
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Memory.prototype.publish = function () { };
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/**
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* Subscribes to a channel
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*
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* @api private
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*/
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Memory.prototype.subscribe = function () { };
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/**
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* Unsubscribes
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*
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* @api private
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*/
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Memory.prototype.unsubscribe = function () { };
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/**
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* Client constructor
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*
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* @api private
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*/
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function Client () {
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Store.Client.apply(this, arguments);
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this.data = {};
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};
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/**
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* Inherits from Store.Client
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*/
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Client.prototype.__proto__ = Store.Client;
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/**
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* Gets a key
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*
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* @api public
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*/
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Client.prototype.get = function (key, fn) {
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fn(null, this.data[key] === undefined ? null : this.data[key]);
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return this;
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};
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/**
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* Sets a key
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*
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* @api public
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*/
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Client.prototype.set = function (key, value, fn) {
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this.data[key] = value;
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fn && fn(null);
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return this;
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};
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/**
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* Has a key
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*
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* @api public
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*/
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Client.prototype.has = function (key, fn) {
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fn(null, key in this.data);
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};
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/**
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* Deletes a key
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*
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* @api public
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*/
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Client.prototype.del = function (key, fn) {
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delete this.data[key];
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fn && fn(null);
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return this;
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};
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/**
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* Destroys the client.
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*
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* @param {Number} number of seconds to expire data
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* @api private
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*/
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Client.prototype.destroy = function (expiration) {
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if ('number' != typeof expiration) {
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this.data = {};
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} else {
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var self = this;
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setTimeout(function () {
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self.data = {};
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}, expiration * 1000);
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}
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return this;
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};
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