n-cache

node-cache

NodeJS internal in memory cache.

Install

---

Usage

---

var NodeCache = require('n-cache'),
    cache = new NodeCache();

// in usual
cache.set('foo', 'bar');
console.log(cache.get('foo'))

// in particular
cache.set('Alien', 'exist', 1); // Time in second

console.log(cache.get('Alien'));

setTimeout(function() {
    console.log(cache.get('Alien'));
}, 1500);

API

---

new NodeCache([options])

{
    ttl: 0 // Time of key expired, 0 stand for live for ever
    timeMultiplier: 1000 // Times on ttl, makes 1ttl for 1 second
    checkperiod: 600 // The period in seconds, check the expired data
}

set(key, value, [ttl])

• Set a key value pair.
• It will be del after ttl seconds, unless ttl not passed in.
• Return true.

get(key)

• Get a setted key.
• Return value.

del(key)

• Del a setted key.
• Return 1, if key exist and not expired.

flushall()

• Remove all data

ttl(key, ttl)

• Reset the expire time for a exit key.

keys()

• Return all the stored keys

mset([{key: key1, value: value1, [ttl: ttl1]}...])

mget([key1, key2...])

mdel([key1, key2...])