Student Guide - Oracle SOA Suite 11g Essential Concepts Volume 2

Oracle SOA Suite 11g:
Essential Concepts
Volume 2 - Student Guide

D58786GC10
Edition 1.0
August 2009
D61581


Authors

Copyright © 2009, Oracle. All rights reserved.

Bijoy Choudhury

Disclaimer

Swarnapriya Shridhar

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Technical Contributors
and Reviewers
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Dave Berry
Holger Dindler Rasmussen
Heidi Buelow
Demed L'Her
Prasen Palvankar
Tom Hardy
David Shaffer
James Mills
Jai Kasi
Magnus Kling
Mathias Kullberg
Matthew Slingsby
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Vikas Jain
Glenn Stokol
Pete Laseau
Nagavalli Pataballa
William Prewitt

Editors
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Contents

I

Introduction
Course Objectives I-2
Course Agenda: Day 1 I-3
Course Agenda: Day 2 I-4
Course Agenda: Day 3 I-5
Summary I-6

1

Service-Oriented Architecture Concepts
Course Road Map 1-2
Objectives 1-3
Definition: Service-Oriented Architecture (SOA) 1-4
Why SOA? 1-5
Enterprise Challenge 1-7
Point-to-Point Integration 1-8
Enterprise Application Integration 1-9
Example of Application-Centric Integration 1-10
Integrating Solutions and Benefits with SOA 1-11
SOA Further Defined 1-12
Moving Toward Service-Centric Integration 1-13
SOA: A Paradigm Shift 1-14
The Eight-Domain Model Approach for SOA 1-15
Quiz 1-17
Building an SOA Reference Architecture: From Architecture Drivers to a Roadmap 1-18
SOA Reference Architecture 1-19
SOA Reference Architecture: Service Consumers 1-21
SOA Reference Architecture: Service Classification 1-22
SOA Reference Architecture: Service Providers 1-23
Reference Architecture: Example 1-24
Standards That Enable SOA 1-25
Quiz 1-27
Service and Web Service 1-28
Types of Service Access and Implementation 1-29
Ways to Integrate Services 1-30
Designing with an SOA Approach 1-31

Creating Service Portfolios 1-32
SOA Workflow and Orchestration 1-33
Implementing SOA: General Concepts 1-34
Quiz 1-35
Define SOA Governance 1-36
Identifying the Need of SOA Governance 1-37
SOA Governance Framework 1-38
Quiz 1-39
Course Practice Scenario: Purchase Order Processing 1-40
Summary 1-41
Practice 1 Overview: Preparing the Business Flow Diagram 1-42
iii


2

Implementing SOA with Oracle SOA Suite
Course Roadmap 2-2
Objectives 2-3
Basic Components of an SOA Infrastructure 2-4
Oracle SOA Suite 11g Components 2-5
Introduction to Service Infrastructure 2-7
Introducing SCA in Oracle SOA Suite 11g 2-8
Defining a Composite Application 2-9
Introducing Oracle Mediator Component 2-11
Describing the Features of Oracle Mediator Component 2-12
Introducing Oracle BPEL Process Component 2-13
Introducing Business Rules Component 2-14
Introducing Human Task Component 2-15
Quiz 2-16

Introduction to Business Activity Monitoring 2-17
Monitoring Services with BPEL and BAM 2-18
Oracle Enterprise Manager 2-19
Oracle WebLogic Server 10.3 2-21
WebLogic Server Domain 2-22
WebLogic Server Servers 2-24
Administration Server 2-25
Managed Server 2-26
WebLogic Server Machines 2-27
SOA Development with Oracle JDeveloper 2-28
Creating Connections in Oracle JDeveloper 2-29
Creating an Application Server Connection in Oracle JDeveloper 2-31
Goals of Implementing SOA Application with Oracle SOA Suite 11g 2-33
Quiz 2-34
Summary 2-36
Practice 2 Overview: Creating Connections in JDeveloper 2-37

3

SOA Governance and Service
Life-Cycle Management Course Roadmap 3-2
Objectives 3-3
Define Service Life-Cycle Management 3-4
Phases of Service Life Cycle 3-5
The Need for Service Life-Cycle Management 3-6
Define SOA Governance 3-7
Relationship of Governance Disciplines 3-8
The Need for SOA Governance 3-9
Benefits of SOA Governance 3-10
Center of Excellence: Key to SOA Success 3-11

Example of Governance Organizational Structure 3-12
Quiz 3-13
Service Life-Cycle Governance 3-14
Service Management 3-16
Service Portfolio 3-17
Policy Manager 3-18
Service Routing 3-19
Service Versioning 3-20
iv


SLA Management 3-21
Quiz 3-22
Constituents of SOA Governance Model 3-23
End-to-End SOA Governance 3-25
End-to-End SOA Governance: SOA Asset Management 3-26
End-to-End SOA Governance: Policy Management and Enforcement 3-27
End-to-End SOA Governance: Consumer Management 3-28
End-to-End SOA Governance: SOA Monitoring and Management 3-29
SOA Governance Solution 3-30
Oracle SOA Governance Solution 3-31
Quiz 3-32
Summary 3-33
Practice 3 Overview: Defining Policies for a Group of Services 3-34
4

Designing Services for SOA Implementations
Course Roadmap 4-2
Objectives 4-3
Defining Services 4-4

Services Are SOA Building Blocks 4-5
Service Contract 4-6
Service Design 4-8
Service Granularity 4-9
Service Design Principles 4-10
Designing Coarse-Grained Interfaces 4-12
Quiz 4-13
Service Classifications 4-14
Connectivity Services 4-15
Data Services 4-16
Business Services 4-17
Business Process Services 4-18
Presentation Services 4-19
Service Infrastructure 4-20
Quiz 4-21
Basic Service Interaction Patterns 4-22
Synchronous Interactions 4-23
Asynchronous Interactions 4-24
Choosing Service Implementation Styles 4-25
Fundamentals for Creating a Service 4-27
Building a Portfolio of Services 4-28
Describing a Web Service 4-29
Web Service Standards 4-30
Web Service Architecture 4-31
Service Artifacts 4-33
XML Schema Definitions 4-34
Defining Messages in XML Schemas 4-35
Web Services Description Language 4-36
WSDL Model 4-37
Defining Service Interfaces in WSDL 4-38

Quiz 4-39
Adapter Services 4-40
Describing Technology Adapters 4-41
v


Packaged Application and Legacy Adapters 4-42
Quiz 4-43
Summary 4-44
Practice 4: Overview Designing Services for SOA Implementations 4-45
5

Creating a Composite Application
Course Roadmap 5-2
Objectives 5-3
Service Component Architecture 5-4
Components and Composites 5-6
SCA Components 5-7
SCA Composite 5-8
SCA Bindings 5-9
SCA Policy Framework 5-10
Quiz 5-11
Service Data Objects (SDO) 5-12
SDO Data Architecture 5-13
SCA and SDO 5-14
Creating an SOA Composite in JDeveloper 11g 5-15
Describing the SOA Composite Editor 5-16
Creating Exposed Services 5-18
Creating SOA Components 5-19
Examining the SCA Descriptor 5-20

Quiz 5-21
Adding a Mediator Component 5-22
Adding a BPEL Process Component 5-23
Comparing BPEL and Mediator 5-24
Examining the JDeveloper Workspace, Projects, and File Structure 5-25
Editing a Component in a Composite 5-26
Creating External References 5-27
Creating Wires 5-28
Creating Wires Modifies Connected Elements 5-29
Exposing Components as an External Service 5-30
Quiz 5-31
Deploying an SOA Composite Application 5-32
Summary 5-33
Practice 5: Overview Creating an SOA Composite Application 5-34

6

Managing and Monitoring SOA Composite Applications
Course Roadmap 6-2
Objectives 6-3
Overview of Managing SOA Applications 6-4
Managing with Oracle Enterprise Manager 6-5
Oracle Enterprise Manager Fusion Middleware Control 6-6
Accessing the SOA Infrastructure Home Page 6-7
Accessing a Composite Application Home Page 6-8
Example Composite Application Home Page 6-9
Deploying a Composite Application 6-10
Deploying SOA Composite Applications 6-11
Initiating an SOA Composite Application Test Instance 6-12
Tracking Message Flow 6-13

vi


Working with the Flow Trace 6-14
Working with the Component Audit Trail Page 6-15
Quiz 6-16
Managing the State of Deployed SOA Composite Applications 6-17
Monitoring and Deleting Specific SOA Composite Application Instances 6-18
Recovering from SOA Composite Application Faults 6-19
Undeploying a Composite Application 6-21
Quiz 6-22
Summary 6-23
Practice 6: Overview Managing and Monitoring Composite Applications 6-24
7

Working with Mediator Components
Course Roadmap 7-2
Objectives 7-3
Introducing Oracle Mediator 7-4
Oracle Enterprise Service Bus and Mediator 7-5
Oracle Mediator Features 7-6
Event Delivery Network 7-7
Introducing Business Events 7-8
Event Handling 7-10
Content-Based and Header-Based Routing 7-11
Synchronous/Asynchronous Interactions 7-12
Service Virtualization 7-13
Validations 7-14
Error Handling 7-15
Transformations 7-16

Quiz 7-17
Creating an Oracle Mediator Component 7-18
Mediator Component Creation Options 7-19
Define Interface Later 7-20
Viewing the Mediator Source Code 7-22
Modifying a Mediator Component 7-23
Deleting a Mediator Component 7-24
Specifying Mediator Component Routing Rules 7-25
Introducing Routing Rules 7-26
Accessing Mediator Routing Rules 7-28
Defining Mediator Routing Rules 7-29
Specifying a Target Service: Example 7-31
Adding a Transformation to a Mediator Component 7-32
Filtering Messages 7-33
Specifying Sequential or Parallel Execution 7-35
Quiz 7-36
When to Use Business Events? When to Invoke a Service? 7-37
Summary 7-38
Practice 7: Overview Creating a Mediator Service Component 7-39

vii


8

Orchestrating Services with a BPEL Component
Course Roadmap 8-2
Objectives 8-3
Process Orchestration Concepts 8-4
Introducing Business Process Execution Language (BPEL) 8-5

Creating a BPEL Process 8-7
Oracle BPEL Process Designer 8-8
Designing the BPEL Process 8-9
Quiz 8-10
Developing a BPEL Process 8-11
BPEL Activity Types 8-12
Grouping Activities by Using a BPEL Scope 8-14
Adding Activities to a Scope 8-15
Communicating Data with a BPEL Process 8-16
BPEL Variables 8-17
Choosing Global or Local Variables 8-19
The Assign Activity 8-21
Creating Assign Operations 8-22
Copying Data from Source to Target 8-23
Using the XPath Expression Builder 8-24
Quiz 8-25
Partner Links and Service Invocation 8-26
Partner Links, Partner Link Types, and Roles 8-27
Synchronous Services 8-28
Synchronous Process Structure: HelloWorld Example 8-29
Asynchronous Service 8-30
Asynchronous BPEL Process Structure 8-31
Creating a Partner Link 8-32
Configuring a Partner Link 8-33
Invoking a Synchronous Service 8-34
Conditionally Branching with a Switch Activity 8-35
Adding a Switch Activity 8-36
Configuring Branches of a Switch Activity 8-37
Summary 8-38
Practice 8: Overview Creating a BPEL Service Component 8-39

9

Working with the Human Task Component
Course Roadmap 9-2
Objectives 9-3
What Is a Human Task? 9-4
Human Workflow Diagram 9-5
Introduction to Human Workflow Concepts 9-7
Implementing Human Workflow Services 9-8
Exploring Workflow Exchange Patterns 9-9
Describing a Workflow as a Service 9-10
Quiz 9-11
Adding a Human Task Component to an SOA Composite 9-12
The Human Task Editor 9-13
Working with Human Workflow in BPEL 9-14
Creating a Human Task in BPEL 9-15
Configuring the Human Task 9-16
viii


Adding Task Parameters 9-17
Setting the Task Parameter Values 9-18
Generating a Task Form for the Worklist 9-19
Accessing the Worklist Application 9-20
Viewing Task Information 9-21
Managing Task Assignments 9-22
Summary 9-23
Practice 9: Overview Creating a Human Task to Approve Orders 9-24
10 Implementing a Business Rules Component

Course Roadmap 10-2
Objectives 10-3
Introducing Business Rules Technology 10-4
Declarative Rule Concepts 10-5
Rule Inference Concepts 10-6
Reasons for Using Rules Technology 10-7
Guidelines for Selecting Rules Use Cases 10-8
Introducing Oracle Business Rules 10-9
Introducing Oracle Business Rules Concepts 10-11
Developing a Rule-Enabled Application 10-12
Defining Oracle Business Rules Development Concepts 10-13
Quiz 10-14
Creating a Dictionary for Rule Definitions 10-15
Working with the Rules Editor in JDeveloper 10-16
Creating XMLFact Entries 10-18
Working with Bucketsets 10-19
Creating a Bucketset 10-20
Creating Oracle Business Rules Globals 10-21
Creating a Ruleset 10-22
Identifying the Structure of a Rule 10-23
Creating a Rule 10-24
Creating a Rule Test 10-25
Creating a Rule Action 10-26
Working with Decision Tables 10-27
Creating Conditions and Rules in Decision Tables 10-29
Creating Actions in Decision Tables 10-31
Working with Decision Functions 10-33
Integrating Rules with a BPEL Process 10-34
Adding a Business Rule Activity 10-35
Summary 10-38

Practice 10: Overview Implementing a Business Rule 10-39
11 Securing Services and Composite Applications
Course Roadmap 11-2
Objectives 11-3
Introduction to Web Services Security 11-4
Need for Web Services Security 11-5
Web Services Security Approaches 11-6
WS-Security 11-8
WS-Security Fundamentals 11-9
Quiz 11-11
ix


Oracle Web Service Manager 11-12
Components of Oracle Web Services Manager Architecture 11-13
Oracle Web Services Manager Policy Framework 11-14
Introduction to Policies 11-15
Policy Interceptor Pipeline 11-16
Policy Assertions 11-17
Quiz 11-18
Managing SOA Composite Application Policies 11-19
Attaching Security Policy to a Service 11-20
Quiz 11-21
Summary 11-22
Practice 11 Overview: Attaching Policies to Web Services 11-23
Appendix A: Practices and Solutions
Appendix B: Introduction to Linux
What Is Linux? B-2
What Is Oracle’s Strategy for Linux? B-3
File System and Basic Directory Structure B-4

Shell Commands B-6
Environment-Based Commands B-7
Information-Based Commands B-9
File System Commands B-11
Common vi Editing Commands B-13
Common FTP Communication Commands B-15
Archive Utilities B-17
Shortcuts and Tips B-19
Appendix C: Perform Common Tasks with Oracle JDeveloper
Objectives C-2
Create a Database Connection C-3
Create an Application Server Connection C-4
Create an Application C-6
Create an Empty Project C-8
Create an SOA Project C-9
Create a Project from Existing Sources C-10
Deploy an SOA Composite Application C-13
Summary C-15
Appendix D: SOA Adoption Planning Principles
Objectives D-2
SOA Adoption D-3
SOA Adoption Planning Activities D-4
SOA Adoption Planning Activities: Completing the Stakeholder Community D-5
SOA Adoption Planning Activities: Moving Through the Change Curve D-6
SOA Adoption Planning Activities: Establishing "Line-of-Sight" Goals D-7
SOA Adoption Planning Activities: Establish a Milestone Delivery Plan D-8
SOA Adoption Planning Activities: Usage of Metrics D-9
SOA Adoption Planning Activities: Enabling Business Innovation D-10
SOA Adoption Planning Activities: Usage of Tools and Processes D-11
The Need for an SOA Reference Architecture D-12

x


Developing the SOA Reference Architecture D-13
Developing the SOA Reference Architecture: Align IT with Business D-14
Developing the SOA Reference Architecture: Develop a Baseline D-15
Developing the SOA Reference Architecture: Create SOA Reference Architecture D-16
Developing the SOA Reference Architecture: Create SOA Infrastructure Roadmap D-17
SOA Governance Model D-18
Example of an SOA Governance Model D-19
Summary D-20
Glossary

xi



Appendix A
Practices and Solutions


Table of Contents
Practices Overview ............................................................................................................. 3
Practices for Lesson 1 ......................................................................................................... 4
Practice 1-1: Specifying Tasks in Workflow for a Purchase Order Processing Business
Scenario........................................................................................................................... 5
Practices for Lesson 2 ......................................................................................................... 8
Practice 2-1: Creating a JDeveloper Connection to the Application Server................... 9
Practice 2-2: Browsing an SOA Composite in Oracle JDeveloper 11g........................ 13
Practices for Lesson 3 ....................................................................................................... 17

Practice 3-1: Paper-Based Questions ............................................................................ 18
Practices for Lesson 4 ....................................................................................................... 21
Practice 4-1: Modifying an XSD Document................................................................. 22
Practice 4-2: Modifying a WSDL Document ............................................................... 26
Practices for Lesson 5 ....................................................................................................... 35
Practice 5-1: Deploying a Prebuilt SOA Composite by Using Oracle JDeveloper 11g 36
Practice 5-2: Creating an SOA Composite Application Workspace ............................ 38
Practice 5-3: Adding a Service Interface to the SOA Composite................................. 43
Practice 5-4: Adding an External Reference to the SOA Composite ........................... 48
Practices for Lesson 6 ....................................................................................................... 51
Practice 6-1: Testing an SOA Composite by Using Oracle Enterprise Manager Fusion
Middleware Control ...................................................................................................... 52
Practice 6-2: Viewing the SOA Composite Instance Details........................................ 56
Practices for Lesson 7 ....................................................................................................... 59
Practice 7-1: Creating a Mediator to Route Order Request .......................................... 60
Practice 7-2: Adding Routing Rules to the SOA Composite........................................ 67
Practice 7-3: Deploying and Testing the SOA Composite ........................................... 71
Practices for Lesson 8 ....................................................................................................... 76
Practice 8-1: Creating an Order Approval BPEL Process ............................................ 78
Practice 8-2: Modifying the Mediator in the SOA Composite ..................................... 93
Practice 8-3: Deploying and Testing the SOA Composite ........................................... 99
Practices for Lesson 9 ..................................................................................................... 103
Practice 9-1: Creating a Human Task for Manual Order Approval............................ 105
Practice 9-2: Accessing the Human Task from the BPEL Process............................. 111
Practice 9-3: Deploying and Testing the SOA Composite ......................................... 119
Practices for Lesson 10 ................................................................................................... 125
Practice 10-1: Adding a Business Rule to POProcessingComposite.......................... 127
Practice 10-2: Accessing the Business Rule from the BPEL Process ........................ 133
Practice 10-3: Deploying and Testing the SOA Composite ....................................... 143
Practices for Lesson 11 ................................................................................................... 145

Practice 11-1: Attach username_token_security_policy to the receivePO Service
Endpoint...................................................................................................................... 146
Practice 11-2: Attach log_policy to the receivePO Service Endpoint ........................ 151

Oracle SOA Suite 11g: Essential Concepts A - 2


Practices Overview
The goal of the course practices is to progressively build the Purchase Order Processing
SOA composite application.
Purchase Order Processing SOA Composite Application (POProcessingComposite)

The Purchase Order Processing composite application (POProcessingComposite) is built
to process and approve a purchase order. The purchase order details can come from any
source (in our case, a testing page). The credit card status for the customer is validated
and if the credit card is good, the order continues. An order for a large purchase price
requires a manual approval step. Finally, the order is written to a text file.

Oracle SOA Suite 11g: Essential Concepts A - 3


Practices for Lesson 1
The goal of the practices in this lesson is to investigate and identify the various business
processes that you can define and associate with the purchase order processing
application. Deduce a workflow diagram by segregating different task and business
processes in a sequential flow for the purchase order processing business process
scenario.
In this practice, you specify the missing links in the given processes workflow diagram
for the purchase order processing business process scenario.

Oracle SOA Suite 11g: Essential Concepts A - 4


Practice 1-1: Specifying Tasks in Workflow for a Purchase Order
Processing Business Scenario
In this practice, you specify the missing links in the purchase order processing business
process workflow diagram.

The POProcessingComposite SOA composite is described in the following sequence of
steps.
1. Details of the purchase order are received.
2. Small order quantities (quantity less than 10 units) are approved automatically.
3. Large order quantities (quantities greater than or equal to 10 units) pass through a
validation and approval process (where the customer’s credit card status is
validated).
4. If the credit card status is invalid, the order is rejected and the status information
is written to a text file.
5. If the credit card status is valid, the total order amount is evaluated.
6. If the total order amount is less than $5000, the order is auto-approved and the
order details are written to the text file.
7. If the order amount is greater than or equal to $5000, the order passes through a
manual approval process.
8. If the status of the manual approval is “approved,” the order details are written to
a text file with the status approved.
9. If the status of the manual approval is “rejected,” the status detail (rejected) is
written to the text file.
Based on the application description, fill in the missing business process links (annotated
with question marks) in the following business process flow diagram.

Oracle SOA Suite 11g: Essential Concepts A - 5

Practice 1-1: Specifying Tasks in Workflow for a Purchase Order
Processing Business Scenario (continued)
New
Order

?

?

Status=approved

Text
File

>= 10
?

invalid

Status

Status=invalidCreditCard
?
Get
Amount

Amount

?
Status=approved

>= $5000
?

Approval

Rejected

Approved
Status = ?
Status=rejected

Oracle SOA Suite 11g: Essential Concepts A - 6


Practice 1-1: Specifying Tasks in Workflow for a Purchase Order
Processing Business Scenario (continued)
Solution to Practice 1-1:
New
Order

Check
Quantity

< 10
Status=approved

Text

File

>= 10
Get Credit
Card Status

invalid

Status

Status=invalidCreditCard
valid
Get
Amount

Amount

< $5000
Status=approved

>= $5000
Get
Manual
Approval

Approval

Rejected

Approved

Status=approved
Status=rejected

Oracle SOA Suite 11g: Essential Concepts A - 7


Practices for Lesson 2
The goal of the practices for this lesson is to set up the practice development
environment. In this practice, you start Oracle JDeveloper 11g in the Windows
environment and configure appropriate connections to Oracle WebLogic Server.
In this practice set, you perform the following key tasks:
1. Create an application server connection in JDeveloper to WebLogic Server.
2. Browse an existing SOA composite application in JDeveloper.

Oracle SOA Suite 11g: Essential Concepts A - 8


Practice 2-1: Creating a JDeveloper Connection to the
Application Server

In this practice, you create an Application Server connection for your SOA Server to
enable you to deploy SOA Composite application projects and other services. To
complete this task, perform the following steps:
1) Start the WebLogic Administration server by double-clicking the Start WebLogic
Admin Server icon on the desktop and wait until the server is started. You can verify
this when you see the text similar to the following display in the terminal window:
<Jun 16, 2009 12:59:43 AM EDT> <Notice> <WebLogicServer> <BEA000360> <Server started in RUNNING mode>

2) Start the SOA Server (managed server), by double-clicking the Start SOA Server icon
on the desktop, wait until the server is started. You can verify this when you see the

text similar to the following display in the terminal window:
INFO: FabricProviderServlet.stateChanged SOA Platform is
running and accepting requests

3) On the Desktop, double-click the JDeveloper 11g desktop icon to start JDeveloper.
4) On the Migrate User Settings window, click No.

5) On the JDeveloper window, click the View > Resource Palette menu.
6) On the JDeveloper Resource Palette window, click the New (icon) > New Connection
> Application Server

7) On the Create Application Server Connection wizard pages, enter the information
specified in the following table:
Step Screen/Page Description
a.
Create Application Server

Choices or Values
On the Name and Type page enter:

Oracle SOA Suite 11g: Essential Concepts A - 9


Practice 2-1: Creating a JDeveloper Connection to the
Application Server (continued)
Step Screen/Page Description
Connection – Step 1 of 5

Choices or Values
Connection Name:

MyApplicationServerConnection

b.

Create Application Server
Connection – Step 2 of 5

c.

Create Application Server
Connection – Step 3 of 5

d.

Create Application Server
Connection – Step 4 of 5

Accept default for other items, and click Next
On the Authentication page enter:
Username: weblogic
Password: welcome1
Click Next
On the Configuration page enter:
WLS Domain: soa_domain
Accept defaults for remaining fields, and click
Next.
On the Test page:
Click Test Connection and ensure you have a
success for all eight tests, click Finish.

Note: Use the following screenshots if required as a guide supporting steps described
in the preceding table of instructions:
a)

Oracle SOA Suite 11g: Essential Concepts A - 10


Practice 2-1: Creating a JDeveloper Connection to the
Application Server (continued)
b) Username: weblogic Password: welcome1

c)

Oracle SOA Suite 11g: Essential Concepts A - 11


Practice 2-1: Creating a JDeveloper Connection to the
Application Server (continued)
d)

Oracle SOA Suite 11g: Essential Concepts A - 12


Practice 2-2: Browsing an SOA Composite in Oracle JDeveloper
11g
In this practice, you open an existing SOA composite application in JDeveloper and
identify the various service components. In order to open an existing application in
JDeveloper, execute the following steps:

1) In the Application Navigator pane, click Open Application (or you can select File >

Open).

2) Navigate to the D:\labs\Application_02\CreditCardValidation directory,
and open the CreditCardValidation.jws file.

Oracle SOA Suite 11g: Essential Concepts A - 13