jbpm explained with simple use cases - red hat · 1 jboss world 2009 | tom baeyens jbpm explained...

JBoss World 2009 | Tom Baeyens1

jBPM Explained

with Simple Use Cases

Tom BaeyensFounder and lead of jBPM, JBossSept 2nd 2009

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Agenda

Business Process Management

jBPM Introduction

Developer Value

Business Value

Train ticket system

Roadmap

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BPM as a management discipline

Not an IT concept

William Edwards Deming

Plan

Do

Check

Act

BPM Business Value

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Assembly Lines

1723-1790, Adam Smith: The pin factory

1863-1947, Henry Ford: mass production

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Government Tax Collection

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Library Lending A Book

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Selling A Ticket To A Concert

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Even Getting Up In The Morning

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Business Processes Need To Be Managed

Doesn’t mean that

People are aware

They are controlled or guided

Everyone is using the same process

Managing processes

Discipline

Organizational change needed

Know, understand and follow the business process

Thinking in processes, intra- and interbusiness

Control mechanisms

IT can help there

8/28/09 | Slide 10Tag Cloud from Gartner’s : “Hype Cycle for Business Process Management, 2008”

8/28/09 | Slide 11

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jBPM Introduction

Workflow & BPM engine

Graphical diagram

Execution flow

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jBPM Business Value

Improve business – IT communication

Agile

Conformance

Governance

Audit

Business Insight

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jBPM Technical Perspective

State machine

Control flow including wait states

Current execution state persisted in DB

Transactionally move from one state to next

Include automated steps in transactions

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jBPM Technical Value

Embeds into your application

Integrates with your transaction

Integrates with your database

Integrates with your domain model

Deploy as simple library or standalone server

Simplest way to implement asynchronous architectures

Human tasks

Asynchronous communication between systems

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jBPM 4

Split normal usage from bleeding edgeAPIConfiguration

Process Virtual Machine

Rock solid

Leverages feedback of jBPM 3’shuge production usage

QA in our own labCI of {environments} * {functionalities}Support !

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jPDL

jBPM’s original process language

Clean Java integration

Task management

Developers like itTransactional control flowCompact, readable XML

Non technical business analysts like itDiagram decoupled from execution semanticsBoxes and arrows

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BPMN 2.0

New process language next to jPDL

Standard

Vendor neutral

Interoperability ?

Technical business analysts like it

Focus on modelling

Precise execution semantics

Directly coupled with diagram

Now in incubation

Productized in H2 2010

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BPMN 2.0 Team

Joram Barrez

Lead

Signavio integration

Ronald van Kuijk

Implementation of control flow activities

Alejandro

Service aspects

Bernd Ruecker

Initial code contribution

Mentor

Koen Aers

Tooling, activity implementations

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Train Ticket jPDL Use Case

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Human Task

<process name="ticketProcess"> ... <task name="Accept quote" assignee="#{ticketRequest.cellPhoneNr}" >

<transition to="charge customer"/> <transition name="timeout" to="cancel"> <timer duedate="1 day"/> </transition>

</task> ...</process>

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jBPM API

Configuration configuration = new Configuration();

ProcessEngine processEngine = configuration.buildProcessEngine();

ExecutionService executionService = processEngine.getExecutionService(); ProcessInstance processInstance = executionService .startProcessInstanceByKey("StateChoice");

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Roadmap

Sep

Oct Dec Jan

Feb Mar Apr May

Jun

Jul

Aug

Sep

20102009

Nov

4.1 4.2 4.3 4.4 4.5

jBPM 5

BPMN 2.0jPDL

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Questions ?

http://jbpm.org

http://processdevelopments.blogspot.com