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Build a Derby calendar, Part 3: Using transactions and locking

Nicholas Chase (ibmquestions@nicholaschase.com), Freelance Writer
Nicholas Chase has been involved in Web-site development for companies such as Lucent Technologies, Sun Microsystems, Oracle, and the Tampa Bay Buccaneers. He has been a high school physics teacher, a low-level radioactive waste facility manager, an online science fiction magazine editor, a multimedia engineer, an Oracle instructor, and the chief technology officer of an interactive communications company. He is the author of several books, including XML Primer Plus.

Summary:  In this final tutorial of the series, you'll finish the calendar and reminder application using the Java™ language and the Apache Derby database. In Part 1 and Part 2 of this three-part series, you created a basic calendar and reminder application using a Derby database back end and a GUI and a Web-based front end. Now that the proof of concept is complete, you can add a more friendly interface and use transactions and locking to create a truly multiuser system.

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Date:  27 Sep 2005
Level:  Intermediate
PDF:  A4 and Letter (485 KB | 46 pages)Get Adobe® Reader®

Activity:  3349 views
Comments:  

Summary

This tutorial is the final part in a three-part series chronicling the building of a Java-based calendar and reminder system that uses the Derby database as its data storage system. Part 1 covered the basic database and e-mail entities. Part 2 built those entities into a simple application that explored Derby's embedded, network, and Web-based modes. It also introduced the concept of multiple users.

This tutorial took the overall system and tackled concurrency, discussing transactions, locking, and isolation levels. It also described significant improvements to the overall look and feel and usability of the application.

You now have a system that can be used by multiple individuals at the same time, all editing a common event calendar. You can also choose whether or not to see data that has not yet been committed to the database.

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TutorialTitle=Build a Derby calendar, Part 3: Using transactions and locking
publish-date=09272005
author1-email=ibmquestions@nicholaschase.com
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