Stormy - the cache you need

Highly optimized memory cache with LRU cleaning policy combined with expiration times.

Installation

#!js

npm install stormy

Example usage

#!js

var Stormy = require("stormy");
var stormy = new Stormy();

stormy.set("foo", "bar");
stormy.get("foo");

Reference

Constructor properties

The constructor accepts options object with the following keys:

• expiration - default expiration time to be used for every item, if it is not explicitly specified when using set. Default is 1800 (in seconds).
• cleanInterval - how often the cache should be checked for expired values. Default is 900 (in seconds).

Simple methods

• set - function (key, value, optional expiration) Add a new element to the cache, mapping it to the specified key. It overwrites an existing value with that key. expiration specifies how much time (in seconds), the value should be kept in the cache.

• get - function (key)
  Retrieves an element. Returns undefined, if the element was not found or the value.

• has - function (key) Returns true, if an item with that key exists. This method does NOT touch the expiration time as in get.

• del - function (key)
  Deletes an element, while also returning its value, if it was found.

• clear - function ()
  Invalidates the cache (deletes everything in it).

Multi-data methods

• mset - function (array)
  Accepts an array of objects. Each object must have key and value, while expiration is optional.

• mget - function (array)
  Accepts an array of strings. Returns an array with the values.

• mdel - function (array)
  Accepts an array of strings.

LICENSE

The MIT License (MIT)

Copyright (c) 2015 Atanas Plachkov

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.