Book Image

Oracle SOA Suite Developer's Guide

By : Antony Reynolds, Matt Wright
Book Image

Oracle SOA Suite Developer's Guide

By: Antony Reynolds, Matt Wright

Overview of this book

<p>We are moving towards a standards-based Service-Oriented Architecture (SOA), where IT infrastructure is continuously adapted to keep up with the pace of business change. Oracle is at the forefront of this vision, with the Oracle SOA Suite providing the most comprehensive, proven, and integrated tool kit for building SOA based applications.<br /><br />Developers and Architects using the Oracle SOA Suite, whether working on integration projects, building composite applications, or specializing in implementations of Oracle Applications, need a hands-on guide on how best to harness and apply this technology. <br /><br />This book will guide you on using and applying the Oracle SOA Suite to solve real-world problems, enabling you to quickly learn and master the technology and its applications.<br /><br />The initial section of the book is aimed at providing you with a detailed hands-on tutorial to each of the core components that make up the Oracle SOA Suite; namely the Oracle Service Bus, BPEL Process Manager, Human Workflow, Business Rules, and Business Activity Monitoring. Once you are familiar with the various pieces of the SOA Suite and what they do, the next question will typically be: "What is the best way to combine / use all of these different components to implement a real-world SOA solution?"<br /><br />Answering this question is the goal of the next section. Using a working example of an online auction site (oBay), it leads you through key SOA design considerations in implementing a robust solution that is designed for change. Though the examples in the book are based on Oracle SOA Suite 10.1.3.4 the book will still be extremely useful for anyone using 11g.<br /><br />The final section addresses non-functional considerations and covers the packaging, deployment, and testing of SOA applications; it then details how to use Web Service Manager to secure and administer SOA applications.</p>

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Oracle SOA Suite Developer's Guide
Antony Reynolds | Matt Wright
Mar, 2009 | 652 pages
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Table of Contents (27 chapters)
Oracle SOA Suite Developer's Guide
Oracle SOA Suite Developer's Guide
Credits
Credits
Foreword
Foreword
About the authors
About the authors
About the reviewers
About the reviewers
Preface
Preface
Free Chapter
1
Introduction to Oracle SOA Suite
Introduction to Oracle SOA Suite
Service-oriented architecture in short
Why SOA is different
SOA Suite components
SOA Suite architecture
JDeveloper
Other components
Summary
2
Writing Your First Service
Writing Your First Service
Installing SOA Suite
Writing our first BPEL process
Writing our first proxy service
Summary
3
Service Enabling Existing Systems
Service Enabling Existing Systems
Types of systems
Java Connector Architecture
Creating services from files
Creating services from databases
Summary
4
Loosely Coupling Services
Loosely Coupling Services
Coupling
Reducing coupling in stateful services
Oracle Service Bus design tools
Service Bus overview
Virtualizing service endpoints
Virtualizing service interfaces
Summary
5
Using BPEL to Build Composite Services and Business Processes
Using BPEL to Build Composite Services and Business Processes
Basic structure of a BPEL process
A simple composite service
Summary
6
Adding in Human Workflow
Adding in Human Workflow
Workflow overview
Leave approval workflow
Processing tasks with the worklist application
Improving the workflow
Managing the assignment of tasks
Summary
7
Using Business Rules to Define Decision Points
Using Business Rules to Define Decision Points
Business Rule concepts
Using the Rule Author
Creating a Decision Service
Using functions
Summary
8
Building Real-time Dashboards
Building Real-time Dashboards
How BAM differs from traditional business intelligence
Oracle BAM scenarios
BAM architecture
Monitoring process state
Monitoring process status
Monitoring KPIs
Summary
9
oBay Introduction
oBay Introduction
oBay requirements
Defining our blueprint for SOA
One additional layer
oBay high-level architecture
Downloading and installing oBay application
Summary
10
Designing the Service Contract
Designing the Service Contract
Using XML Schema to define business objects
Using WSDL to define business services
Using XML Schema and the WSDL within BPEL PM
Strategies for managing change
Summary
11
Building Business Services
Building Business Services
Build versus reuse
Reusing existing functionality directly
Modifying existing functionality using service bus
Creating services from scratch
Summary
12
Building Validation into Services
Building Validation into Services
Using XML Schema validation
Using Schematron for validation
Putting validation in the underlying service
Layered validation considerations
Summary
13
Error Handling
Error Handling
Business faults
Handling business faults in BPEL
Using the fault management framework
Handling faults within the service bus
Summary
14
Message Interaction Patterns
Message Interaction Patterns
Message routing
Using BPEL correlation sets
Message aggregation
Scheduling services
Summary
15
Workflow Patterns
Workflow Patterns
Managing multiple participants in a workflow
Using the workflow API
Summary
16
Using Business Rules to Implement Services
Using Business Rules to Implement Services
How the rule engine works
Using business rules to implement an auction
Using a global variable to reference the result set
Writing our auction rules
Performance considerations
Summary
17
The Importance of Bindings
The Importance of Bindings
The web services stack
Understanding Web Service Description Language (WSDL)
The case for different bindings
JCA bindings
Java bindings
Service bus bindings
Summary
18
Packaging and Deployment
Packaging and Deployment
The need for packaging
SOA Suite packaging
Deployment architectures
Summary
19
Testing Composite Applications
Testing Composite Applications
SOA Suite testing model
One-off testing
Automated testing
Regression testing
System testing
Composite testing
Component testing
Unit testing
Performance testing
User interface testing
Summary
20
Defining Security and Management Policies
Defining Security and Management Policies
Security and management challenges in the SOA environment
Securing services
Creating gateways and agents
Defining policies
Monitoring services
Summary
Index
Index

JCA bindings

Java Connector Architecture, JCA, is a standard way in Java to access a wide range of resources. A JCA resource adapter may provide an interface to many different types of resource including databases, packaged applications, and mainframes. Java Enterprise Edition (JEE) containers, such as WebLogic and WebSphere, provide JCA frameworks that allow registered adapters to be made available to hosted components as though they were native container resources. JCA adapters may also participate in transactions.

JCA bindings are probably the most commonly used non-SOAP binding in the SOA Suite. This is because they are used extensively by the adapter wizards to provide access to a wide range of native resources. Generally, the JCA bindings are generated by the wizards with no need for further work by the developer.

JCA bindings actually differ a lot in the way in which they map the WSDL message onto a physical format. But where they are common is in their use of Java Connector Architecture...

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