How Does BPM Relate to JBI, BPEL and Integration

1
How Does BPM Relate to JBI, BPEL and Integration
Tom Baeyens JBoss jBPM
2

• BPEL is a clumsy way to support Business
  Process Management

3
Agenda

• Integration
• Example
• SOA, ESB, JBI and WS-BPEL
• Business Process Management
• Goals
• Process Languages
• Pure-Play BPM
• Conclusions

4
Application Integration

• Trend
• enterprise apps
• integrations
• Maintenance nightmare

5
Enterprise Service Bus

• Based on async messaging
• One service interface (e.g. WSDL)
• Extra (mgmt, secutity, routing, ...)

Enterprise Service Bus
6
Note on Loosely Coupled

• Loosely coupled
• Loose, looser, loosest ?
• Tradeoff
• Tighter
• Refactoring
• Performance
• Easy development
• Easy deployment
• Looser
• Less chance of cascading updates

7
Dependency Types

• Remoteness
• Invocation in a thread in one JVM
• Inter Process Communication (IPC)
• Data format
• XML
• Java objects
• ...
• Synchronicity
• Availability
• Scaling

8
EAI Example
public interface QuoteService
Quote getQuote(Product p)

• QuoteService qs (QuoteService)
  esb.findService(quotes)
  
• Quote q qs.getQuote(Products.NAPPY)
• order(q.getVendor(), q.getProduct(), 3)

9
Example Deployment
nappy
QuotesServer
OurApp
nappy 7/price

10
Example Stub Implementation
public class QuoteServiceStub
implements QuoteService public Price get
Quote(Product p) Message quoteMsg createQuo
teMsg(p) sendMsg(quoteMsg) Message priceMs
g receiveMsg() return priceMsg.getPrice()

11
Path of Execution
QuotesServer
OurApp
12
Stubs Inappropriate for Async
QuoteService qs (QuoteService)
Services.findService(quotes)
Quote q qs.getQuote(Products.NAPPY) order(
q.getVendor(), q.getProduct(), 3)
sendQuoteRequest(Products.NAPPY)
handleQuotesResponse(msg)
13
WS-BPEL

• XML Scripting Language
• Express a new service as a function of other
  services
  
• Resolves
• One piece of software
• Persist execution
• WSDL based interfaces
• XML based data

14
Java Business Integration

• Environment for
• Java components
• With WSDL interface
• App developer deploys to engines

Normalized Message Router
BPEL engine
XSLT engine
... engine
15
Integration Broker Suites

• Type of product
• ESB
• Orchestration engine
• Other extra services
• Consensus around BPEL

16
Business Process Management

• A different branch in the line of software
  evolution

17
Business Process

• A recurring procedure
• in an organisation
• Starts with a goal
• Steps to take to reach the goal
• One time -- ad hoc process
• Recurrence -- business process

18
Workflow

• Describing how
• people work together
• for business processes
• Focus on coordination of human tasks
• Sometimes IT systems are included

19
Business Process Management

• Making an organisation
• run more efficient
• by analysing and improving
• the business processes
• Analysing business processes
• Finding and removing inefficiencies
• People and systems
• Superset of workflow

20
BPM System Goals

• Improve communication
• Business analyst
• Developer
• People and systems
• Express how they work together
• Structure software around business
• Reduce translation to software design
• Create agile business
• Learn by probing

21
BPM System Challenges

• Support for long running processes
• Integration with systems
• Human tasks
• Graphical representation
• Common language

22
Pure-Play BPM

• Software productsfor workflow and BPM
• Process language for expressing business
  processes
  
• Runtime engine to support long running processes
• No consensus about foundation

23
JBoss jBPM

• Example of Pure-Play BPM
• Solid foundations
• Graph Oriented Programming
• Task Management
• Clean Java integration
• Timer service
• Message service (in 3.1)
• Easy
• POJO (JSE) and Enterprise (JEE)
• Any DB, Any appserver
• Scalable
• Standalone, Webapp or .ear

24
Required Features for BPM

• Support for long running processes
• Graphical representation
• Task management
• Programming logic
• Application integration

25
Conclusions
26
Conclusions

• Product types
• Pure-Play BPM
• Integration Broker Suites
• 2 different lines of evolution
• Solved the same problems
• Long running processes
• Graphical representation
• Difference is the interface and data
• jPDL Java and java objects
• BPEL WSDL and XML

27
The SOA Level (XML, WSDL SOAP)
BPM
Orchestration
Enterprise Service Bus (ESB)
The Programming Level (Java, C, ...
)
JEE Application Server
Legacy App
.NET App
BPM
28
Comparing Process Languages
29
QA

• JBoss jBPM http//jbpm.org
• JBoss http//jboss.com
• JBI http//jcp.org JSR 208
• Enterprise Integration Patterns Gregor
  Hophe Bobby Woolf