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Oracle Service Bus 11g Development Cookbook

You're reading from   Oracle Service Bus 11g Development Cookbook

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Product type Paperback
Published in Jan 2012
Publisher Packt
ISBN-13 9781849684446
Length 522 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (19) Chapters Close

Oracle Service Bus 11g Development Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Creating a basic OSB service 2. Working Efficiently with OSB Artifacts in Eclipse OEPE FREE CHAPTER 3. Messaging with JMS Transport 4. Using EJB and JEJB transport 5. Using HTTP Transport 6. Using File and Email Transports 7. Communicating with the Database 8. Communicating with SOA Suite 9. Communication, Flow Control, and Message Processing 10. Reliable Communication with the OSB 11. Handling Message-level Security Requirements 12. Handling Transport-level Security Requirements Index

Exposing an EJB session bean as a service on the OSB using the EJB transport


As the version of OSB is 11gR1 we can use an EJB version 3.0 session bean in an OSB business service. Before 11gR1, only EJB version 2.1 was supported.

In this recipe, we will create and test a business service—JB and JEJB transport. The business service calls a session bean that returns the Java object in XML or as a Java object with the JEJB transport.

Getting ready

Make sure that the EJB session bean is deployed to the OSB server as shown in the Introduction section of this chapter.

How to do it...

First we will have to register an EJB client JAR as a resource in Oracle Service Bus. The EJB client JAR contains the necessary interfaces and classes needed by the business service to access the EJB session bean.

In Eclipse OEPE, perform the following steps:

  1. Create a new OSB project and name it exposing-session-bean-as-webservice and create a jar, business, and proxy folder within it.

  2. Open a file explorer window and navigate...

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