Software
Workflow with WebSphere Process Server and
WebSphere Integration Developer
Fenglian Xu
WebSphere ESB Development
IBM UK Laboratories
xufengli@uk.ibm.com
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Agenda
Overview IBM SOA Platforms
WS-BPEL 2.0
Assemble with WebSphere
Integration Developer
Deploy with WebSphere
Process Server
Summary
2
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Human-Centric BPM with IBM WebSphere
Tools and Clients for All Key User Roles
Process Engineers /
Integration Specialists
Business Users
Collaborative
Development
Clean hand-off to IT
with business
models and metrics
WebSphere
Integration
Developer
Integrated deployment of
policies, rules, and process
services based on an SOA
platform with seamless support
for human workflow
Workflow and
Choreography
Business
Modeling
and Simulation
WebSphere
Process
Server
WebSphere
Business
Modeler
Content
Management
Business Monitoring,
Dashboards and Analytics
Feedback for
continuous
improvement and
optimization
WebSphere
Business
Monitor
Business
Analysts
3
Real time
collaboration and
management of
business processes
Business
User
Clients
Interact with business
processes, collaborate,
and perform human
tasks
Manage running
processes and
tasks
BPC Explorer
BPC Observer
Business Managers /
Business Operations
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SOA Reference Architecture
Supporting your SOA Lifecycle
Business Innovation & Optimization Services
Integrated
environment
for design
and creation
of solution
assets
Process Services
Information Services
Enables collaboration
between people,
processes & information
Orchestrate and
automate business
processes
Manages diverse
data and content in a
unified manner
Facilitates communication
ESB
IT Service
Management
Interaction Services
between services
Partner Services
Business App Services
Access Services
Connect with trading
partners
Build on a robust,
scaleable, and secure
services environment
Facilitates interactions
with existing information
and application assets
Apps &
Info Assets
Development
Services
Facilitates better decision-making
with real-time business information
Manage
and secure
services,
applications
&
resources
Infrastructure Services
Optimizes throughput,
availability and performance
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Introducing the IBM SOA Foundation
Provides What You Need to Get Started with SOA
IBM SOA Foundation: Integrated, open set of software, best
practice, and patterns
Supports complete
lifecycle with a
modular approach
IBM SOA Foundation
Software
Extends value of your
existing investments,
regardless of vendor
Extensive business
and IT standards
support; facilitating
greater
interoperability &
portability
Scalable; start small
and grow as fast as
the business requires
Skills &
Support
Leveraging existing IT Infrastructure
CICS
5
IMS
Custom
Apps.
SOA on your terms and our expertise
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WebSphere Process Server
Leveraging infrastructure services from WAS ND
WebSphere Process Server:
Process layer builds on WebSphere ESB and WebSphere Application Server
foundation to deliver robust business process management
Use
WebSphere
Process
Server when
you need to
automate
business
processes
that span
people,
workflows,
applications,
systems,
platforms, and
architectures
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 Support for all styles of integration, including human tasks, roles
based task assignments, and multilevel escalation.
 Business rules, business state machines, and selectors to dynamically
choose interface based on business scenarios
 Change business processes on the fly with relatively minimal skills
WebSphere ESB
Mediation layer builds on WebSphere Application Server
foundation to provide intelligent connectivity
WebSphere Application Server Network Deployment
Builds on WebSphere Application Server foundation to deliver a
highly available transaction engine with advanced performance
and management capabilities
WebSphere Application Server
Transport layer foundation provides infrastructure
via JMS 1.1, HTTP, IIOP
SOA on your terms and our expertise
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WebSphere Enterprise Service Bus
An Enterprise Service Bus (ESB) is a flexible connectivity
infrastructure for integrating applications and services.
An ESB powers your SOA by reducing the number, size, and complexity of interfaces.
An ESB performs the following
between requestor and service
• ROUTING messages
between services
• CONVERTING transport
protocols between requestor
and service
• TRANSFORMING message
formats between requestor
and service
• HANDLING business events
from disparate sources
7
Shape = Protocol
Color = Data type
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WS-BPEL 2.0
 Industry standard language for expressing business processes
– Leverage a common skill set and language
 Designed to fit naturally into the Web services stack
– Expressed entirely in XML
– Uses and extends WSDL 1.1
– Uses XML Schema 1.0 for the data model
 Portable across platform and vendor
– Will run on any WS-BPEL-compliant engine
 Interoperable between interacting processes
– Layering on top of Web services stack
 WS-BPEL is a Recursive Aggregation Model for Web Services
 Stateful conversations and lifecycle management
– Supports multiple stateful long-running conversations
 Recoverability
– Long running business processes need fault handling and compensation mechanisms to
manage and recover from errors
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WS-BPEL Language Constructs
 WS-BPEL process definition
 Recursive composition and partner links
 Variables
 Variable properties
 Correlation sets
 Basic and structured activities
 Scopes
 Compensation handling
9
SOA on your terms and our expertise
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“WS-BPEL Patterns” Example: “Replay” Activities
Repeat while
input invalid
Step 3a
Step 1
Step 2
Step 4
Step 5
Step 6
Step 3b
10
SOA on your terms and our expertise
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WebSphere Integration Developer
Assembling composite applications with ease
 Streamlining process design hand-off between business and IT
– Import and work with business process models directly from the business analyst
(WebSphere Business Modeler)
 Simplifying and speeding composite application development
– An Assembly Editor for overall solution assembly
– All the tools you need for building solution components (Editors for BPEL, Business
Rules, Business State Machines, Interface Maps, …)
– One, easy-to-learn end user interface based on Eclipse
 Architected for
reuse and flexibility
– Simplified
component
interfaces
– Plug-and-play
solution components
– Ability to leverage
existing services
and develop for
future reuse
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SOA on your terms and our expertise
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WebSphere Integration Developer
BPEL without Coding – Standards-Based Process Support
 Import models from WebSphere
Business Modeler
 Develop executable process
– WS-BPEL-based business processes
– WS-BPEL with or without IBM
extensions
 Intuitive drag-and-drop tools
– Visually define the sequence and flow
of business processes
 A visual business process debugger
– Step through and debug business
processes
 Integrated fault and event handling
– Provide an easy and integrated means of handling in-flow exception
handling and external events
 Compensation support
– Provide a logical “undo” capability
12
SOA on your terms and our expertise
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Elements of WebSphere Process Server
Supports all aspects of process integration
z/OS
Service
Components
Supporting
Services
SOA Core
Business Processes
Business
Human
+ Human Tasks
Processes
Tasks
= Human Workflow
Mediation Flows
(ESB)
Interface
Maps
Service Component
Architecture
Business
State
Machines
Business
Object
Maps
Business
Objects
Business
Rules
Dynamic
Service
Selection
Relationships
Common Event
Infrastructure
WebSphere Application Server ND (J2EE Runtime)
13
SOA on your terms and our expertise
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Service Component Architecture (SCA) – Components
Reminder
Interface:
Reference:
How to call
this component
What this
components calls
Component
Java
Interface
I
WSDL
Port Type
Uniform
Representation of
encapsulated
Implementation
1..1
Java
Interface
1..1
WSDL
Port Type
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SOA on your terms and our expertise
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Two Styles of Service Choreography
 Business Processes
 Business State Machines
– Traditional Business Processes
– Event-driven Business Processes
– Full support for WS-BPEL
– Full support for State Machine
programming model
– Import from WebSphere Business
Modeler
•
•
15
States, Events, Transitions,
Actions, Guards, …
State Machine Authoring /
Debugging / Logging
SOA on your terms and our expertise
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Business Processes
 WS-BPEL compliant business
process engine
 Simplified Process Editor
– Optional simplification of
terms
 Generic Business Process
– Operations / Parameters
– Service Implementation Details
hidden
 Transactions / Compensation
 Full XPath 1.0 Support
16
SOA on your terms and our expertise
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Business State Machines
 State Machine
Implementation
– Based on UML 2.0
State Machine Models
– Event driven business
processes
– Creates WS-BPEL
under the covers
 Simple/Complex States
– Entry/Exit
 Transitions
– Events
– Actions (invokes)
– Guards
– Timeout
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SOA on your terms and our expertise
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BPC Standard Client – BPC Explorer
Graphical View for Processes
 Provide graphical view for process structure and instances
– Actions in the graphical view:
• Zoom and scroll within the view
• Expand and collapse event, fault
and compensation handlers
• Show additional information about
elements when moved over
• Navigate to activity details view
 Usage scenarios
– Understand process structure
Activity Details
– Check status of process and its
activities
 Like process instance monitor in
WebSphere MQ Workflow
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SOA on your terms and our expertise
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BPC Standard Client – BPC Observer
Reporting for Business Processes
 Allows observing state and evolution of business processes
e.g., overall duration, actual work time
 Provides customizable reports and graphical charts of historical
and accumulated data of business processes
 Supports flexible drill-down capabilities to retrieve statistical data
on processes and activities
 Has been available
as sample in 6.0.1
and is now a fully
supported product
feature
19
SOA on your terms and our expertise
© 2007 IBM Corporation
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BPC Standard Client – BPC Observer
Reporting for Business Processes – Technical Background
 BPC Observer has same look & feel as BPC Explorer
– Built with JSF and BPC JSF Components
 Collects BPC emitted events leveraging CEI
– Can observe multiple BPC containers
 Configuration is part of overall BPC
BPC
– Also available in WID
BPC Observer Client
BPC Observer
Event Data
BPC
Observer
Datastore
WAS
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Store
event
data
Common Event
Infrastructure
Event
Collector
Common
Base Events
WPS
WAS
SOA on your terms and our expertise
© 2007 IBM Corporation
Software
Business Rules
Overview
 Business Rules allow to externalize business logic from
applications (business processes)
 Business Rules can be dynamically updated at runtime using the
Business Rules Manager web application
• NLS enabled free text representation for rules
 Business Rules provide the most-requested rules functionalities
– Decision Tables
– Rule Sets (If/Then Rules)
– Rule Templates
– Action Rules
 Rules Groups are provided for ease of use
– Allow encapsulation of detailed implementation in a component with a
well defined interface
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SOA on your terms and our expertise
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Dynamicity with Business Rules
 Programmer defines rules
from templates
 This exposes the rule
parameters to Business
Rules Manager
Tools
WebSphere Integration Developer
Runtime
WebSphere Process Server
 Using Business Rules Manager,
the Business Analyst changes
rules at runtime
 No need to restart the application
 Users are authenticated using
standard WAS authentication /
security
 Changes may be exported back to
WID
22
SOA on your terms and our expertise
© 2007 IBM Corporation
Software
notify
create
start
notify
23
Task Participant
Interface
start
Purely Human
Task
Task Participant
Interface
create
Participating
Task
Originating
Task
Web Service
Interface
Web service
Task Originator
Interface
return
Task Originator
Interface
invoke
Task Web
Service Interface
Human Tasks – Overview and Interaction Patterns
query
claim
complete
query
claim
complete
invoke
return
Web service
service
Web
SOA on your terms and our expertise
© 2007 IBM Corporation
Software
Server Controlled Page Flow (aka Single Person Workflow)
Automatically present users with the page for the next task in the process
 Controlling the flow of UI interactions with a single individual
– Series of human tasks in a process to be performed by the same person
– Each page represents a human task
 New completeAndClaimSuccessor API
Tasklist
BusinessFlowManagerService
operations
Page 1
claim()
completeAndClaimSuccessor()
Page 2
completeAndClaimSuccessor()
...
completeAndClaimSuccessor()
Page n
User / Client
24
complete()
WPS
SOA on your terms and our expertise
© 2007 IBM Corporation
Software
Dynamic Service Selection
Overview
Date Based
Selection
Target
Components
25

Client makes a call to the
Selector Component

Selector determines dynamically
which implementation of a
target destination to invoke
 Selection is based on a Selector
Algorithm
– Framework for custom selector
algorithms
 The default Selection is date based
SOA on your terms and our expertise
© 2007 IBM Corporation
Software
Dynamicity using Dynamic Service Selection
 Programmer defines
 What components to invoke
 The selection criteria
 The selector behavior can be modified
at runtime
Tools
WebSphere Integration Developer
Runtime
WebSphere Process Server
 At runtime System Administrator
can modify/add/delete
– Modify or add the date/time
– Target component
•
From a list of installed Components
with the matching interface
 Changes may be exported back
to WID
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SOA on your terms and our expertise
© 2007 IBM Corporation
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Transformation Components
Interface Maps, Business Object Maps, and Relationships
Interface:
doOrder(Order)
Export:
doOrder
BO
(Order)
Order
OrderID
27
Interface:
submitOrder(SAPOrder)
Interface
Map
Business
Object Map
Relationship
BO
(SAPOrder)
Import:
submitOrderSAP
SAPOrder
SAPID
SOA on your terms and our expertise
© 2007 IBM Corporation
Software
References and Further Readings

Business Process Choreographer on developerWorks

Business Process Choreographer Samples page

Business process choreography in WebSphere:
Combining the power of BPEL and J2EE
http://www7b.boulder.ibm.com/wsdd/zones/was/wpc.html
http://publib.boulder.ibm.com/bpcsamp/index.html
http://researchweb.watson.ibm.com/journal/sj/432/kloppmann.html

IBM Systems Journal Issue on Service Oriented Architecture

SOA programming model for implementing Web services,
Part 8: Human-based Web services
http://researchweb.watson.ibm.com/journal/sj44-4.html
http://www-128.ibm.com/developerworks/webservices/library/ws-soa-progmodel8/

Web Services Platform Architecture (Prentice Hall, 2005)

Web Services Business Process Execution Language Version 2.0, Public Draft
http://docs.oasis-open.org/wsbpel/2.0/wsbpel-v2.0.pdf
28

WS-BPEL Extension for People

WS-BPEL 2.0 Extensions for Sub-Processes

BPELJ: BPEL for Java technology
http://www.ibm.com/developerworks/webservices/library/specification/ws-bpel4people/
http://www.ibm.com/developerworks/webservices/library/specification/ws-bpelsubproc/
http://www.ibm.com/developerworks/library/specification/ws-bpelj/
SOA on your terms and our expertise
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Thank You!
Questions?
29
SOA on your terms and our expertise
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Learning More about WPS and WID
IBM Education Assistant
 Overview, Big Picture and New
Functions
 Installation and Migration
 Programming for Service
Oriented Architecture
 Monitoring SOA Integration
Applications
 Supporting Services for Service
Applications
 Enterprise Service Bus
Application Components
 Integration with enterprise
applications using WebSphere
Adapters
 Unit Testing Service
Components
 System Administration
 Clustering
 Building integration applications
- end-to-end scenario
http://publib.boulder.ibm.com/infocenter/ieduasst/v1r1m0/index.jsp?topic=/com.ibm.iea.wpi_v6/wpi6_coverpage.html
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Thai
Traditional Chinese
Gracias
Russian
Spanish
Thank
You
English
Merci
French
Obrigado
Brazilian Portuguese
Arabic
Grazie
Danke
Italian
German
Simplified Chinese
Japanese
31
SOA on your terms and our expertise
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Template Revision: 3/09/2005 9:40 AM
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