1. Technology in Action! Windows Workflow Foundation Advanced Techniques
Guy Burstein
Senior Consultant
Advantech Technologies
blogs.microsoft.co.il/blogs/bursteg

2. Workflow Runtime Engine
Basic Concepts
Visual Studio Designer
Host Process
Concepts
Workflow
Activities
Host
Components
Base Activity Library
Runtime Engine
Runtime Services
Visual Designer
A Workflow
Activity
Windows Workflow Foundation
Base Activity Library
Workflow Runtime Engine
Runtime Services

3. Demo
Building a Simple Workflow

4. Recruitment Workflow Challenges
“Recruitment may take several weeks and even months…”
Long Running
& Stateful
“Recruiting one applicant may be very different from the other…”
Flexible
“What is the status of this applicant and what its the next step?”
Transparency

5. Long Running Processes
Recruitment Manager
Candidate CV
Technical Interviewers
Manager

6. Windows Workflow Foundation
Persistence Service
Database
Windows Workflow Foundation
Runtime Engine
Runtime Services
Persistence Service
Workflow
By Default – Workflows run without persistence
Plug in the persistence service using code / configuration.
Out of the Box SqlPersistenceService
Create your custom persistence services

7. Demo
Long-Running Processes

8. Tracking Service Provide consistent and reliable reporting
Past, Present and Future
Key Indicators
Auditing / Monitoring
Specify, capture, store, and query
Track workflow, activity, user events and data
Use OOTB SqlTrackingService or a custom tracking service

9. Demo
Providing Application Transparency

10. Business Rules and Conditions
Added Value
Modeling Power, Approachability, Ease of Change
Terminology
Conditions, Rules, RuleSet
Rule-Driven Activities
IF-Else, While, Custom Activities.
PolicyActivity
Can use Rules API outside Workflow
Step2
Step1
Rule1
Rule2
Data

11. Apply Policy to Validate CV
Use Conditions to Decide how to Handle
Policy to determine CV Routing

12. Demo
Workflow Rules!

13. Dynamic Update Respond to unforeseen events, circumstances.
Step1
Step2
Step3
Step5
Step4
Step6
Respond to unforeseen events, circumstances.
Apply changes to running instances:
Add / Remove activities
Change conditions (only if declarative).
Workflow Changes must be Valid
Must be validated by all activities
Dynamic Update Condition on Root Activity

14. Demo
Making Changes to Running Workflow Instances

15. Summary More than a Drag & Drop technology
A Picture’s worth more than 1000 words…
Lets you focus on the business processes
Use Windows Workflow Today!

16. Resources WF Dev. Center WF Community Site WF MSDN Forum My Blog
WF Community Site
WF MSDN Forum
My Blog

17. Questions?
Come to meet me at the Developers Panel or visit my blog: blogs.microsoft.co.il/blogs/bursteg

18. Your Feedback is Important!

19. Thank You!
Guy Burstein blogs.microsoft.co.il/blogs/bursteg