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- Herausgeber: Packt Publishing
- Kategorie: Wissenschaft und neue Technologien
- Sprache: Englisch
An integral component of Oracle SOA and BPM Suite, Oracle BAM (Business Activity Monitoring) ultimately empowers business executives to react quickly to changing business situations. BAM enables business service and process monitoring through real-time data streaming and operational reports, and this book helps you to take advantage of this vital tool with best practice guidance for building a BAM project."Oracle BAM 11gR1 Handbook" is an essential companion for advancing your BAM knowledge, with troubleshooting and performance tuning tips to guide you in building BAM applications. The book uses step-by-step instructions alongside a real world demo project to steer you through the pitfalls of report and application development. Packed with best practices, you'll learn about BAM migration, HA configuration and much more."Oracle BAM 11gR1 Handbook" comprises a myriad of best practices for building real-time operational dashboards, reports and alerts. The book dives straight into the architecture of Oracle BAM 11g, before moving swiftly onto concepts like managing BAM server securities, populating Data Objects and performing load testing. Later on you'll also learn about BAM migration and building an ADF-based report, plus much more that you won't want to miss. For focusing in on best practices for this integral tool within Oracle SOA and BPM Suite, "Oracle BAM 11gR1 Handbook" is the perfect guide for the job.
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Table of Contents
Oracle BAM 11gR1 Handbook
Oracle BAM 11gR1 Handbook
Copyright © 2012 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: April 2012
Production Reference: 1280312
Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK.
ISBN 978-1-84968-544-3
www.packtpub.com
Cover Image by Sandeep Babu (<[email protected]> )
Credits
Author
Pete Wang
Reviewers
Vaibhav Shankar Ambavale
Martijn van der Kamp
Arun Pareek
Jan-Willem Pas
Acquisition Editor
Stephanie Moss
Lead Technical Editor
Shreerang Deshpande
Technical Editor
Lubna Shaikh
Project Coordinator
Joel Goveya
Proofreader
Aaron Nash
Indexer
Hemangini Bari
Graphics
Manu Joseph
Valentina D'souza
Production Coordinator
Aparna Bhagat
Prachali Bhiwandkar
Cover Work
Aparna Bhagat
Foreword
As businesses are increasing their use of Service Oriented Architecture (SOA) to build their core business systems, the need for real-time visibility into their business processes is becoming critical. At the same time, IT budgets are shrinking, and businesses are under constant pressure to cut costs and optimize their investments. Oracle Business Activity Monitoring (Oracle BAM) provides a comprehensive solution for building real-time dashboards and alerts for monitoring Service Level Agreements (SLAs) and other Key Performance Indicators (KPIs).
Like Oracle SOA Suite and Oracle BPM Suite, Oracle BAM 11g leverages the best-of-breed WebLogic Server platform to achieve a high quality of service. As a completely new release, Oracle BAM 11g offers many new features and enhancements in the areas of usability, performance, scalability, and interoperability.
The book is a comprehensive handbook that focuses on providing guidance and best practices for building BAM applications including designing, developing, and troubleshooting. The key topics covered in the book are:
This book provides an in-depth coverage of Oracle BAM 11g, as well as troubleshooting methodologies that can be used for advanced problem resolution. The BAM samples for this book help solidify the readers' understanding of the concepts through hands-on experience.
All the instructions, guidelines, tips, best practices, and cases studies are based on real-world problems and solutions. By following these best practices, SOA developers can significantly increase their productivity, avoid common pitfalls, and create more agile, scalable, and reusable BAM applications.
As the global technical lead for BAM and a member of the A-Team, Pete's real-world experience with SOA and BAM-based solutions helps keep the book grounded in practical solutions to real-world challenges that companies face.
Focusing on accurate, pragmatic instructions, and best practices, this book should be a perfect guide for SOA architects and developers, in developing and administrating BAM applications.
Robert Patrick
Vice President, Oracle Fusion Middleware Architects Team: The A-Team
About the Author
Pete Wang is a member of the Oracle Fusion Middleware Architects team: the A-Team that focuses on managing all aspects of the SOA/AIA engagements, including proof of concepts, support escalations, sales engagement, user conferences, seminars, workshops, and so on. With a well-established credibility and influence in the area of SOA/BAM, Pete is a trusted advisor, and plays a key technical role in guiding customers, consultants, support analysts, and engineers in resolving critical customer and product issues. Prior to the A-Team role, Pete took on various roles in Customer Support and Sales Consulting at both Oracle and BEA Systems.
Pete has over 12 years of experience in the design and the development of SOA/BAM/JavaEE applications, and he specializes in designing and troubleshooting large-scale and mission-critical systems built with various middleware technologies. As the Global Technical Lead (GTL) for BAM in Support, Pete has been actively engaged in delivering BAM solutions, publishing articles, support escalations, and advanced resolutions, to ensure the success of customers.
Pete is currently living in Melbourne, Australia, but will move to Boston, MA, USA, with his family soon. Pete holds a Master's Degree in Information Science from the University of New South Wales, Australia, and he likes to play tennis and soccer in his spare time.
Acknowledgement
First of all, I would like to take this opportunity to express my sincere gratitude to all the members of the BAM Development team and the Oracle management team, especially to Robert Patrick, Jeff McDaniel, Payal Srivastava, Stephen Sherman, Hani Isac, and Odin Grupe for their support, encouragement, and guidance throughout the development of this book.
I would also like to express my deep gratitude to all the contributors and the reviewers, who truly play a key part in improving the contents and making this book complete. Their hard work, great ideas, and precious comments really make a difference. Special thanks to Michael Zhao who has spent a lot of his spare time in building and testing the samples, thus ensuring the high quality of the code and instructions. Without their contributions, this book wouldn't have been as good as it is now.
I would like to say a big thank you to the team at Packt Publishing, who are always willing to help with their professionalism, enthusiasm, and dedication. Special thanks go to Stephanie Moss, who provided a lot of invaluable feedback and comments in the early stage of writing, which really made my job easier as an author.
Finally, I would like to dedicate this book to my lovely wife, Daisy, who has been supporting and encouraging me throughout the course of the book's development. Without her continued support, patience, and care, I would not have pursued and completed this work in such a short amount of time.
About the Reviewers
Vaibhav Shankar Ambavale is a solution architect, and has extensive experience in Middleware technologies. He is passionate about designing and developing applications. He is an Oracle certified Expert on Oracle SOA suite 11g. He has expertise in Oracle Fusion middleware — SOA, BPM, BAM, mediator, B2B, AIA, and WebLogic. He has extensive experience in the B2B domain, where he worked on various B2B products and protocols.
Besides work, he enjoys traveling, trekking, and photography. Vaibhav holds a Bachelor's degree in engineering from V.J.T.I., Mumbai, India.
Martijn van der Kamp is an enthusiastic Oracle specialist from the Netherlands. His focus is on the Fusion Middleware stack. When he started working for Capgemini, he got in touch with Oracle BPM. Quickly, his interest transformed to passion.
Martijn has worked on several (international) projects in the Oracle BPM domain, where he gained expertise and knowledge of implementing BAM.
I would like to thank Léon Smiers for getting me acquainted with, and coaching me on, Oracle BPM and BAM.
Arun Pareek is a SOA practitioner, working on SOA-based implementation projects in the capacity of a consultant and architect for over five years now. He is also an IASA certified software architect, and is currently co-authoring a book on Oracle SOA Suite Administration for Packt Publishing. He has been actively working on the SOA Suite of products of both BEA and Oracle, including technologies such as Service Bus, AIA, BPEL, BAM, BPA, and BPMN. He has a knack for designing systems that are scalable, performant, and fault-tolerant, and is an enthusiast for automated continuous integration techniques. He is also an active blogger on these technologies, and runs a popular blog at http://beatechnologies.wordpress.com.
I would like to appreciate the encouragement I received from my parents for helping me achieve many things in my life. A special note of thanks goes to my wonderful wife Karuna for her constant support, cooperation, and patience, without which, it wouldn't have been possible for me to manage my work and life together.
Jan-Willem Pas is a Database and Integration specialist working at Capgemini, Netherlands.
After completing his Bachelor's degrees in Technical IT and Commercial Engineering and Management, Mr. Pas started working as a software developer/designer for numerous customers, and in numerous environments, using Oracle Database technology and other classic Oracle products, such as Reports, Forms, and Workflow.
Gradually, he began to focus more on SOA/Integration projects, mainly using the Oracle technology. During his last major project, Mr. Pas has participated in a BPM Work Order management implementation for a big customer in the Dutch energy sector, using the latest Oracle products, such as BPM, OSB, BI Publisher, and Oracle BAM.
His role has grown into a more functional and leading one, and he is now responsible for leading the development team that continues the maintenance and the development of this Work Order management system.
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Preface
An integral component of Oracle SOA and BPM Suite, Oracle BAM Business Activity Monitoring (BAM) ultimately empowers business executives to react quickly to the changing business situations. BAM enables business service and process monitoring through real-time data streaming and operational reports, and this book helps you to take advantage of this vital tool with best practice guidance for building a BAM project.
Oracle BAM 11gR1 Handbook is an essential companion for advancing your BAM knowledge, with troubleshooting and performance tuning tips to guide you in building BAM applications.
The book uses step-by-step instructions alongside a real world demo project to steer you through the pitfalls of report and application development. Packed with best practices, you'll learn about BAM migration, HA configuration, and much more.
This book comprises a myriad of best practices for building real-time operational dashboards, reports, and alerts.
The book dives straight into the architecture of Oracle BAM 11g, before moving swiftly onto concepts like managing BAM server securities, populating Data Objects, and performing load testing. Later on you'll also learn about BAM migration and building an ADF-based report, plus much more that you won't want to miss.
For focusing in on best practices for this integral tool within Oracle SOA and BPM Suite, Oracle BAM 11gR1 Handbook is the perfect guide for the job.
What this book covers
Chapter 1, BAM 11gR1 Architecture, introduces the Oracle BAM key concepts, and its high-level architecture.
Chapter 2, Designing your First Data Objects and Reports, covers the basics for designing your Data Objects and reports.
Chapter 3, Populating Data Objects with Real-time Data, explores various technologies, such as Enterprise Message Sources (EMS) , the Oracle BAM Adapter, BPEL Sensors, and Oracle BAM Web services, which can be used to move the business data to BAM.
Chapter 4, Designing BAM Reports, covers the techniques/procedures for designing BAM reports with multiple views to meet your business needs.
Chapter 5, Testing BAM Applications, discusses the testing methodology in general, and the BAM-specific methodology for conducting end-to-end testing under normal and load condition.
Chapter 6, Managing BAM Securities, discusses the key BAM security concepts, which include authentication, authorization, and SSL.
Chapter 7, Migrating BAM to a Different Environment, discusses the best practices for migrating BAM to a different environment.
Chapter 8, Configuring High Availability for BAM, discusses the Oracle BAM high availability solution/best practices in the Application Server tier.
Chapter 9, Troubleshooting your BAM Applications, explores the troubleshooting techniques, methodologies, and case studies.
Chapter 10, Building your Reports Using ADF, discusses how to build reports using the Oracle Application Development Framework (ADF).
What you need for this book
Hardware requirements:
Software requirements:
Who this book is for
If you are a developer/report developer or SOA Architect who wants to learn valuable Oracle BAM best practices for monitoring your operations in real time, then Oracle BAM 11gR1 Handbook is for you. Administrators will also find the book useful.
You should already be comfortable with SOA architecture and SQL practices.
Conventions
In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.
Code words in text are shown as follows: " Let us look at a ChangeList example, which is produced by a ViewSet of the Employees Data Object."
A block of code is set as follows:
When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:
Any command-line input or output is written as follows:
New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: " Among them, Active Data Cache, Report Cache, and Report Server are the major components that are responsible for static and dynamic report rendering ".
Note
Warnings or important notes appear in a box like this.
Tip
Tips and tricks appear like this.
Reader feedback
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To send us general feedback, simply send an e-mail to <[email protected]>, and mention the book title through the subject of your message.
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Errata
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Questions
You can contact us at <[email protected]> if you are having a problem with any aspect of the book, and we will do our best to address it.
Chapter 1. BAM 11gR1 Architecture
Oracle Business Activity Monitoring (BAM) 11g R1 architecture leverages the push-based mechanism to deliver the high volume of data changes to the frontend web browser in real time, which is the key differentiator from other conventional reporting solutions that use the pulling approach for report rendering.
To help you understand the push-based mechanism and BAM Architecture, this chapter first introduces BAM key concepts, which are the prerequisites to learning BAM. We will then discuss an overview of the architecture, and its key server side components. Finally, you will see an explanation of the message flows in typical report opening and data change scenarios, so that you can understand what happens behind the scenes.
Oracle BAM key concepts
In this section, we will give you a brief review of the key concepts, which will help you to gain a better understanding of BAM Architecture, and more advanced topics.
Data Object
A Data Object is an internal data structure that represents the business data in the BAM server. Like the concept of the database tables, a Data Object has a flat structure, which includes fields with primitive data types, such as string, integer, float, date time, and so on. It can also include calculated fields and lookup fields, which reference to other Data Objects using foreign keys. The Data Object field cannot be defined using complex data types, such as arrays, objects, and so on.
The following screenshot depicts the Employees Data Object layout, which is defined using simple primitive data types, such as string, integer, and timestamp:
Data Objects are managed in the in-memory data cache to meet the needs of high volume data processing, and get persistent in the BAM database schema automatically. In the current release, Oracle BAM supports the following RDBMS as its persistence store: Oracle Database, IBM DB2, and Microsoft SQL server.
More Data Object details will be covered in Chapter 2,Designing your First Data Objects and Reports.
ViewSet
A ViewSet is an object that represents a query to a given Data Object. A ViewSet provides an abstraction layer that decouples the View design and underlying data model, which allows multiple reports to share the same Data Object.
In BAM, a ViewSet is defined using an XML schema, which can contain the following elements:
To understand this concept, let's take a look at an example that represents the query to the Employee Data Object that you saw before.
In this ViewSet definition, the dataset attribute specifies the database table (_Employees) that is used to persist the Data Object (Employee). The DatasetField and AggregateField elements specify the _Sales_Area data field and the aggregate SUM(_Sales_Number) that can be used to construct the query to the _Employees dataset.
ViewSets can also be sorted, filtered, and applied row-level securities. More topics related to ViewSet will be covered in the next chapter.
View
A View is a rendered result set, which is generated by opening one or a collection of ViewSets. The following is a sample of the 3D bar chart View that shows the number of orders, grouped by its status:
Note
In the current BAM release, a View can only be rendered in the IE browser. The View type specific XSL transformation, which is used to convert report data to DHTML with JavaScript, utilizes proprietary IE features that are not available in other web browsers, such as Firefox, Chrome, and so on.
The list of View types supported in BAM 11g R1 include the following:
You will learn more about these View types in Chapter 4, .
Snapshot
A Snapshot is a query result set created by a ViewSet. When a report is first rendered, a ViewSet is opened to generate the initial result, which is called a Snapshot. The XML representation of the Snapshot is then transformed to DHTML using View-specific XSL, and sent to the client along with JavaScript.
Snapshots are cached in the BAM Server. So, every time the same report is opened in another browser session, the Snapshot will be retrieved, and sent back to the client without generating from scratch, which helps improve the report rendering performance.
Snapshots can be used to generate static Views. To produce dynamic Views, or in other words, to render a report that can reflect the data changes in real time, you will need a push-based mechanism called Active Data, which we will look at next.
Active Data
Active Data is the continuous stream of changes that the ViewSet can produce. Once a report is first rendered with a Snapshot, any subsequent changes to the Snapshot of the ViewSet will be captured at the server side, and pushed back to the client. This is what we call a push-based mechanism.
A push-based mechanism is an efficient way of delivering real-time notifications to the client. Unlike the polling approach, in which clients need to consistently send requests to the server, Active Data allows the server to send the changed data in an incremental way, instead of transferring all the report data to the client, and thus can provide significant advantages, such as the following:
You will learn more about Active Data and push-based mechanisms in the Understanding message flow section, later in this chapter.
ChangeList
A ChangeList is an Active Data Payload that includes the changes produced by a specific ViewSet.
The ChangeList is in XML format, which normally includes the following:
Let us look at a ChangeList example, which is produced by a ViewSet of the Employees Data Object.
The key points that you can see from the example are:
