High Performance API Mashups with Node.js and ql.io

Using ql.io and Node.js

High Performance Mashups

Jonathan LeBlancDeveloper Evangelist (PayPal)

Twitter: @jcleblanc | @PayPalDev

Github: github.com/jcleblanc

The Pro

blem

ql.io: The Problem is API Overload

ql.io: Reducing Workload + Processing

Reduced Documentation

Reduced Code Length

Reduced Result Syncing

ql.io: Increasing Performance (Requests)

ql.io: Error Handling and Reporting

ql.io: Open Standard Foundation

API Mash

ups

ql.io: Using the System

Standalone Server / Node.js AppWeb Endpoint

Language: Defining a Data Source

Include in .ql TableInclude in Request

Test Console: http://ql.io/console

ql.io: The Test Console

user = "jcleblanc";slides = select * from slideshare where user="{user}";twitter = select * from github.users where user="{user}"; return { "slides": "{slides}", "twitter": "{twitter}"} via route '/social' using method post;

Language: Including Script Routes

curl --header "content-type: application/x-www-form-urlencoded"

-d "user=jcleblanc" http://localhost:3000/social

Language: Using Script Routes

Adding D

ispla

y Ele

ments

Example: Mustache Templates

Example: jQuery for Cross Domain Reqs

Let’s Do It!

Tools: API Masher

Visualization Engine: https://github.com/jcleblanc/api-masher

Technology Backbone– ql.io– jQuery–Mustache Templates

Work

ing w

ith N

ode.js

npm install ql.io-engine

Node.js: Installing the Package

var Engine = require('ql.io-engine');var engine = new Engine({ … });

Node.js: Including the Engine

Node.js: Invoking the Engine

var script = "select * from …";

engine.execute(script, function(emitter){ emitter.on("end", function(err, res){ console.log(res['body'][0]); });});

Tools: External API Tables

Tables Source:

https://github.com/jcleblanc/ql.io-tables

https://github.com/ql-io/ql.io-site/tree/master/tables

Thank You! Any Questions?

Jonathan LeBlancDeveloper Evangelist (PayPal)

Twitter: @jcleblanc | @PayPalDev

Github: github.com/jcleblanc

http://www.slideshare.net/jcleblanc