mem-shm

Node.JS module which allows you to store, key => value to /dev/shm/

Usage

var memShm = require('mem-shm');

var mem = new memShm("myDirectory","myFile");

Get

Entire Cache

var tmp = mem.get();
console.log(tmp);

All Keys for memoryId

var tmp = mem.get(memoryId);
console.log(tmp);

Specific Key for memoryId

var tmp = mem.get(memoryId,key);
console.log(tmp);

Note: returned tmp can be an Object, JSON.parse will be applied

Set

var memoryId = "test";
var key = "test";
var val = 1;

mem.set(memoryId,key,val);

Note: val can be an Object, JSON.stringify will be applied

Delete

memoryId and All Keys for memoryId

mem.del(memoryId);

Specific Key for memoryId

mem.del(memoryId,key);

Clear

Empties entire mem cache

mem.clear();

Count

Entire Cache Length

var leng = mem.count();
console.log(leng);

Length of memoryId

var leng = mem.count(memoryId);
console.log(leng);

Length of Specific Key for memoryId

var leng = mem.count(memoryId,key);
console.log(leng);

Methods

var memShm = require('mem-shm');
var mem = new memShm(`directory`,`file`);

mem.get()

Returns  /dev/shm/`directory`/`file` or null if it does not exist

mem.get(memoryId)

Returns the [`memoryId`] from /dev/shm/`directory`/`file` or null if it does not exist

mem.get(memoryId,key)

Returns the [`memoryId`][`key`] from /dev/shm/`directory`/`file` or null if it does not exist

mem.set(memoryId,key,val)

Saves `val` to [`memoryId`][`key`] in /dev/shm/`directory`/`file`

mem.del(memoryId)

Deletes the [`memoryId`] from /dev/shm/`directory`/`file` if it exists

mem.del(memoryId,key)

Deletes the [`memoryId`][`key`] from /dev/shm/`directory`/`file` if it exists

mem.clear()

Empties entire mem cache in /dev/shm/`directory`/`file`

mem.count()

Returns length of entire mem cache in /dev/shm/`directory`/`file`

mem.count(memoryId)

Returns length of [`memoryId`] from /dev/shm/`directory`/`file` or 0 if it does not exist

mem.count(memoryId,key)

Returns length of [`memoryId`][`key`] from /dev/shm/`directory`/`file` or 0 if it does not exist