QCon SF 2011 @dpp - Functional Wednesday, November 16, 2011 @dpp - - PowerPoint PPT Presentation

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QCon SF 2011 @dpp - Functional Wednesday, November 16, 2011 @dpp - - PowerPoint PPT Presentation

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QCon SF 2011 @dpp - Functional Wednesday, November 16, 2011 @dpp Wednesday, November 16, 2011 @dpp 20 Years ago, today, invented RT spreadsheet Wednesday, November 16, 2011 @dpp 20 Years ago, today, invented RT spreadsheet 5

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SLIDE 1

QCon SF 2011 @dpp - Functional

Wednesday, November 16, 2011

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SLIDE 2

@dpp

Wednesday, November 16, 2011

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SLIDE 3

@dpp

  • 20

Years ago, today, invented RT spreadsheet

Wednesday, November 16, 2011

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SLIDE 4

@dpp

  • 20

Years ago, today, invented RT spreadsheet

  • 5

Years ago, Lift & Scala

Wednesday, November 16, 2011

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SLIDE 5

@dpp

  • 20

Years ago, today, invented RT spreadsheet

  • 5

Years ago, Lift & Scala

  • Pushing boundaries

Wednesday, November 16, 2011

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SLIDE 6

Lift

Wednesday, November 16, 2011

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SLIDE 7

Lift

  • Functional Web Framework

Wednesday, November 16, 2011

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SLIDE 8

Lift

  • Functional Web Framework
  • Abstractions: Task Oriented

Wednesday, November 16, 2011

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SLIDE 9

Lift

  • Functional Web Framework
  • Abstractions: Task Oriented
  • Secure & Interactive (and Maintainable)

Wednesday, November 16, 2011

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SLIDE 10

Chat

Wednesday, November 16, 2011

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SLIDE 11

Chat

  • class Chat extends CometActor with

CometListener { private var msgs: Vector[String] = Vector() def registerWith = ChatServer

  • verride def lowPriority = {

case v: Vector[String] => msgs = v; reRender() } def render = ClearClearable andThen "li *" #> msgs }

Wednesday, November 16, 2011

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SLIDE 12

Chat Server

Wednesday, November 16, 2011

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Chat Server

  • object ChatServer extends

LiftActor with ListenerManager { private var msgs = Vector("Welcome")

  • verride def createUpdate = msgs
  • verride def lowPriority = {

case s: String => msgs :+= s updateListeners() } }

Wednesday, November 16, 2011

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SLIDE 14

Chat Input

Wednesday, November 16, 2011

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SLIDE 15

Chat Input

  • object ChatIn {

def render = SHtml.onSubmit{ s => ChatServer ! s SetValById("chat_in", "") } }

Wednesday, November 16, 2011

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SLIDE 16

What You Don’t See

Wednesday, November 16, 2011

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SLIDE 17

What You Don’t See

  • Loops

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SLIDE 18

What You Don’t See

  • Loops
  • Synchronized

Wednesday, November 16, 2011

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SLIDE 19

What You Don’t See

  • Loops
  • Synchronized
  • HTML Encoding

Wednesday, November 16, 2011

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SLIDE 20

But that’s not what I came here to talk about...

Wednesday, November 16, 2011

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SLIDE 21

Used to be...

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Used to be...

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Used to be...

  • Green screens everywhere

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Used to be...

  • Green screens everywhere
  • Enslaved by the mainframe

Wednesday, November 16, 2011

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Used to be...

  • Green screens everywhere
  • Enslaved by the mainframe
  • Changes went through IT

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SLIDE 26

And then...

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SLIDE 27

And then...

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SLIDE 28

And then...

  • VisiCalc

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SLIDE 29

And then...

  • VisiCalc
  • HyperCard

Wednesday, November 16, 2011

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SLIDE 30

And then...

  • VisiCalc
  • HyperCard
  • PowerBuilder

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SLIDE 31

And then...

  • VisiCalc
  • HyperCard
  • PowerBuilder

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SLIDE 32

Along came the Web

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Along came the Web

  • IT reasserts itself

Wednesday, November 16, 2011

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Along came the Web

  • IT reasserts itself
  • Browser = 3270

Wednesday, November 16, 2011

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Along came the Web

  • IT reasserts itself
  • Browser = 3270
  • J/EE & Rails = COBOL

Wednesday, November 16, 2011

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SLIDE 36

Along came the Web

  • IT reasserts itself
  • Browser = 3270
  • J/EE & Rails = COBOL

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SLIDE 37

Cloud & iPad Vision

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Cloud & iPad Vision

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Cloud & iPad Vision

  • Empower individuals

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Cloud & iPad Vision

  • Empower individuals
  • Anywhere, Anytime

Wednesday, November 16, 2011

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Cloud & iPad Vision

  • Empower individuals
  • Anywhere, Anytime
  • Rich Interaction

Wednesday, November 16, 2011

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SLIDE 42

Cloud & iPad Vision

  • Empower individuals
  • Anywhere, Anytime
  • Rich Interaction

Wednesday, November 16, 2011

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SLIDE 43

But...

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SLIDE 44

But...

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SLIDE 45

But...

  • Old tools

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But...

  • Old tools
  • IT centric

Wednesday, November 16, 2011

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But...

  • Old tools
  • IT centric
  • Code Constrained

Wednesday, November 16, 2011

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SLIDE 48

Let's Fix That

Wednesday, November 16, 2011

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Let's Fix That

  • Cloud Computing for The Rest of Us

Wednesday, November 16, 2011

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Let's Fix That

  • Cloud Computing for The Rest of Us
  • Rapid • Interactive • Simple

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Let's Fix That

  • Cloud Computing for The Rest of Us
  • Rapid • Interactive • Simple
  • Design on iPad or Mac & Deploy in the Cloud

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Empower Business User

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Empower Business User

  • Easy & Intuitive like HyperCard and Excel

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Empower Business User

  • Easy & Intuitive like HyperCard and Excel
  • Emporium: Data • App • Component

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Empower Business User

  • Easy & Intuitive like HyperCard and Excel
  • Emporium: Data • App • Component
  • Instant Success

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SLIDE 56

Environment

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Environment

  • Design on iPad or Mac

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Environment

  • Design on iPad or Mac
  • Runs on iPads, iPhone & Cloud

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Environment

  • Design on iPad or Mac
  • Runs on iPads, iPhone & Cloud
  • Real-time events & Disconnected

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Emporium

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Emporium

  • Data sources & sinks including SalesForce

Wednesday, November 16, 2011

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Emporium

  • Data sources & sinks including SalesForce
  • Running Apps including Proj Mgt & Chat

Wednesday, November 16, 2011

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Emporium

  • Data sources & sinks including SalesForce
  • Running Apps including Proj Mgt & Chat
  • Components

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Age Old Problems

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Age Old Problems

  • State management

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Age Old Problems

  • State management
  • Marshaling

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Age Old Problems

  • State management
  • Marshaling
  • Event flows

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State Management

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State Management

  • Functional Language, like Excel

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State Management

  • Functional Language, like Excel
  • total = subtotal + tax

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State Management

  • Functional Language, like Excel
  • total = subtotal + tax
  • Clear I/O and transactional bounds

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Marshaling

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Marshaling

  • All user-data can be BSON serialized

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Marshaling

  • All user-data can be BSON serialized
  • Database as Collections:

kids = filter (#age <= 18) users

Wednesday, November 16, 2011

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Marshaling

  • All user-data can be BSON serialized
  • Database as Collections:

kids = filter (#age <= 18) users

  • UI Auto-generated or IB Style

Wednesday, November 16, 2011

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Event Flows

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Event Flows

  • Source & Sink Computation Independent

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Event Flows

  • Source & Sink Computation Independent
  • iPad actions logged as events to server

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Event Flows

  • Source & Sink Computation Independent
  • iPad actions logged as events to server
  • Migratory Locus of Computation

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Status

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Status

  • Open Source Pieces: http://visi.io

Wednesday, November 16, 2011

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Status

  • Open Source Pieces: http://visi.io
  • Private Alpha Program

Wednesday, November 16, 2011

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Status

  • Open Source Pieces: http://visi.io
  • Private Alpha Program
  • Beta in 2012

Wednesday, November 16, 2011