gosf-atk/module/MemcachedModule.js

shared atk api.

'use strict' ;
require('dotenv').config() ;
const   Memcached = require('memcached-elasticache') , 
        memcached = new Memcached( process.env.API_MEMCACHED , {retries:10,retry:10000,remove:true,timeout:5000}) ;

module.exports = class MemcachedModule {

    constructor(){
        this.memcachedKey = '' ;
    }
    async getDataMemcached( key = null ) {
        let cache = '' ;
        try{
            if( key == null ) throw new Error( 'key is required' ) ;
            cache = await this.invokeMemcachedPromise( key ) ;
            return (cache) ? cache : null ;
        }catch(e){
            throw e ;
        }
    }
    invokeMemcachedPromise( key = '' ){
        return new Promise( (resolve , reject) => {
            memcached.get( key , ( err , data ) => {
                if( err ) reject(err);
                resolve( data ) ;
            }) ;
        }) ;
    }
}