introduction to windows workflow foundation

Introduction to Windows Workflow FoundationAndrei Oros Found Media Software | CTO

andrei.oros@foundmediasoftware.roorosandrei@gmail.com

Agenda

OverviewBusiness ApplicationsTechnologyDemo

Overview

Workflow Foundation

.net technology for designing, hosting & running processes as workflows

Overview

History

➔ introduced with .net 3➔ .net 3.5 added WCF integration➔ with .net 4, WF received a major update /

rewrite (10x - 100x performance increase)➔ .net 4.5 - many Designer improvements

Overview

Designed for

➔ Long Running Business Logic➔ Often Changing Processes➔ Transparency regarding Process Model and Execution➔ Business Process Management Engines

Business Applications

Workflow Oriented Scenarios

➔ Banking ➔ HR - Hiring Process➔ Accounting Software➔ Purchasing ➔ IT Infrastructure Management

Technology

Execution Insights

➔ Customizable Track Data➔ Workflow Level Logging➔ Activity Level Logging

➔ Real-Time

Technology

Designer - available in Visual Studio

Technology

Designer - ReHostable

Technology

Designer - Workflow Types

➔ Sequential

➔ State Machine

➔ Flowchart

Technology

Activity Libraries

➔ Base Activities from Microsoft

➔ Easy to build new Activities

Technology

Workflow Host

➔ WCF, WPF, Console Apps, ASP Websites, ..

➔ Workflow Management 1.0➔ IIS Extension - “Dublin”

Technology

Scalability

➔ Vertical

➔ Horizontal

CPU, RAM, ..

Technology

Scalability

➔ Vertical

➔ Horizontal

➔ Workflow Persistence

CPU, RAM, ..

Process Persistency DataStore

Demo

WF Designer

➔ ReHosted Designer➔ System Activities➔ Custom Meetup API

Activity Library➔ Meetup API Workflow➔ WF Execution Log➔ WF Execution Output

Thank you.

References

➔ Windows Workflow Foundation◆ http://msdn.microsoft.com/en-us/library/dd489441(v=vs.110).aspx

➔ The Workflow Way◆ http://msdn.microsoft.com/en-us/library/dd851337.aspx