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ColdFusion 9 Developer Tutorial

You're reading from   ColdFusion 9 Developer Tutorial Create robust professional web applications with ColdFusion

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Product type Paperback
Published in Jul 2010
Publisher Packt
ISBN-13 9781849690249
Length 388 pages
Edition 1st Edition
Languages
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Author (1):
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John Farrar John Farrar
Author Profile Icon John Farrar
John Farrar
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Table of Contents (22) Chapters Close

ColdFusion 9 Developer Tutorial
Credits
About the Author
About the Reviewers
1. Preface
1. Web Pages—Static to Dynamic 2. Basic CFCs and Database Interaction FREE CHAPTER 3. Power CFCs and Web Forms 4. ORM Database Interaction 5. Application, Session, and Request Scope 6. Authentication and Permissions 7. CFScript 8. CF AJAX User Interface 9. CF AJAX Forms 10. CF AJAX Programming 11. Introduction to Custom Tags 12. ColdFusion Powered Views 13. Control Logic Processing 14. Guide to Unit Testing Beyond this Book Tools and Resources Index

The end methods


Previously, some of the methods in this object were impossible to achieve with the earlier versions of ColdFusion. It was possible to code an end request function, but only a few programmers made use of it. We find that by using this object many more people are taking advantage of these features.

The new methods that are added have the ability to run code specifically when a session ends, and when an application ends. This allows us to do things that we could not do previously. We can keep a record of how long a user is online without having to access the database with each request. When the session starts, you can store it in the session scope. When the session ends, you can take all that information and store it in the session log table if logging is desired in your site.

Request end method—onRequestEnd()

We are not going to use every method that is available to us. As we have the concept from the other sections, this would be redundant. The concepts of this method are very...

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