jBPM & Drools Workshop, NY 2012-06-19

1. jBPM5: Bringing more
Power
BPMN2
to your Business
Primer
Processes
Kris Verlaenen
jBPM Project Lead
June, 2012
1

2. BPMN 2.0 as the new
standard
2

3. BPMN 2.0 Specification
• Provide a standard notation for
modeling business processes that is
understandable by
– Business Analyst
– Technical Developers
– Business Managers
• Provide the power to depict complex
business processes
•

4. BPMN 2.0 Specification
Extends BPMN 1.2 in several areas:
• XML-based notation
• execution semantics
• extensible
• choreography
• conformance classes

6. BPMN2 Categories
• Flow elements
– Activities
– Gateways
– Events
• Connecting elements
• Data
• Swimlanes

7. Flow Elements - Activities
• An activity is a generic term for work
that a company performs
– atomic or non-atomic (compound)
• Types:
– Task
– Sub-Process
• Represented as rounded rectangles

8. Tasks
• Script Task
– Script + language
– kcontext variable
• User Task
– actor(s), group(s), description, comment, ...
• Business Rule Task
– ruleflow-group

9. Tasks
• (Custom) Task
– taskname
– data input / output (literal or mapping)
• Service Task
– Service (e.g. Java, WS)
• Send / Receive Task
– Message
• Manual Task

10. Sub Process
• Reusable Sub Process
– processId, data input / output
• Embedded Sub Process
– Collapsed or expanded
– variables
• Multiple Instance Sub Process
– collectionExpression, variableName
• Ad-Hoc Sub Process

11. Flow Elements - Gateways
• Diverging and converging (or mixed)
• Diamond shapes
• Types
– Exclusive
– Inclusive
– Parallel
– Event-based
– Complex

12. Flow Elements - Events
• Something that “happens” during the
course of a business process
• Represented as circles
• Type defined by icon
• Catching or throwing
• Interupting

14. Collaboration

15. BPMN 2.0
<definitions ... >
<process id="com.sample.bpmn.hello" name="Hello World" >
<startEvent id="_1" name="StartProcess" />
<sequenceFlow sourceRef="_1" targetRef="_2" />
<scriptTask id="_2" name="Hello" >
<script>System.out.println("Hello World");</script>
</scriptTask>
<sequenceFlow sourceRef="_2" targetRef="_3" />
<endEvent id="_3" name="EndProcess" />
</process>
</definitions>

16. BPMN 2.0
• “Common Executable” subclass
+ extras
• BPMNDI
• (Minimal) custom extensions
• Extend set of supported constructs over
time

19. Eclipse BPMN2 editor
http://eclipse.org/projects/project.php?id=soa.bpmn2-
modeler

20. jBPM5: Bringing more
Power
BPMN2
to your Business
Processes
Primer
Kris Verlaenen
jBPM Project Lead
June, 2012
20