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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

Using the AQ adapter to consume messages from the database


In this recipe, we will configure an inbound AQ adapter, so that it can be used to consume messages from a queue implemented in the database by Oracle AQ. The adapter will be used from a proxy service as shown in the following screenshot:

The queue EVENT_QUEUE that we will use has been set up with the OSB Cookbook standard environment using the following SQL and PL/SQL code:

--creating the object type, which defines payload 
CREATE OR REPLACE TYPE event_typ as OBJECT
(
   id NUMBER(19)
   , event_type VARCHAR2(30)
   , event_time TIMESTAMP
)

-- creating queue table
BEGIN
  sys.dbms_aqadm.create_queue_table(
           queue_table => 'EVENT_QUEUE_T',
           queue_payload_type => 'OSB_COOKBOOK.EVENT_TYP',
           sort_list => 'ENQ_TIME',
           compatible => '10.0.0',
           primary_instance => 0,
           secondary_instance => 0,
           storage_clause => 'tablespace USERS pctfree 10 initrans...
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