KC presentation on CodeGen…
On February 21st I did a presentation on CodeGen at AMIS. Just a short presentation on what is possible using this great tool. I have created a couple of …
Category: Oracle
How to maintain entity validation (JboException) and ORA-20xxx messages in a central resource bundle in your ADF application that uses JHeadstart
As you can imagine, with many validators on many entity objects you will end up with equally many generated message bundles. When you start localizing the error messages, that …
Should we use JHeadstart for our ADF Project? It is NOT a black or white decision!
One of things we do at AMIS is develop sometimes fairly complex applications built on the Oracle ADF technology stack. On several occasions, we have been working closely together …
Fear for renaming (refactoring) ADF BC objects in JDeveloper 10.1.3.3 is not unfounded
Growing insight during development of a project often results in a wish to rename a BC object (entity object, view object, association, view object attribute, alias, usage, etc.) in …
Using database tables for authentication in ADF applications
This article describes how to make a login feature for your application, which uses database tables for authentication and authorization.
AMIS Query 28/2: Een nieuwe denkwijze op het gebied van Business Proces Performance
How System Metrics Can Help You Find Performance Bottlenecks for Business Processes in Complex Architectures Gerwin Hendriksen will give a pre-view on the 28th of Februari of his presentation …
Decorating the render result of 3rd party JSF components by injecting a custom ResponseWriter
February 7, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
3 Comments
Today I crossed some boundaries with my personal understanding of Java Server Faces. I have gone where I had not gone before. We were facing the following situation: our …
SOA Training Program – Getting started with BPEL
Two weeks ago, during the first session of our 3-month SOA Training program, we worked very hard on XML (and XSD, XPath and XSLT). Today, this starts to pay …
Selecting (XML) data directly from disk
On the OTN XMLDB Forum, a question was asked if you could directly select from a XML file on disk, or to be more precise ” XQUERY / XMLTABLE …
ADF: making an operation (binding) available in every Page Definition (Binding Container)
Our challenge: from every one of our 100+ pages we would like to be able to invoke a specific operation on the ApplicationModules Client Interface. Ideally, we should create …
HOTSOS 2008
The new year has started and one of the most important Oracle performance conferences is about to start. The Hotsos 2008 Symposium will be held again, almost traditionally now, …
AMIS Query on Oracle Coherence
Of all the new and exciting stuff I have seen at Oracle OpenWorld this year, two new technologies (at least to me) stand out. The first is CEP (Complex …
How to write a good incident description/file a clear bug report
Issues are an important way of organizing tasks around both development and maintenance of the application as well as for collecting collective knowledge about the application and the use …
Becoming a SOA Developer…
One of the reasons why I have been very quiet lately on this weblog is the SOA Training Program we started at AMIS, two weeks ago. With 11 experienced …
Oracle buys BEA, Sun buys MySQL – it must be the post Christmas shopping season…
It was serious business yesterday. Within 10 minutes I received word of the Oracle BEA acquisition and the Sun MySQL take over. That was a lot to take in …
Puzzelen met SQL: Crash SQL Investigation
![Puzzelen met SQL: Crash SQL Investigation]({"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"http:\/\/seattletimes.nwsource.com\/ABPub\/2012\/08\/02\/2018836700.jpg","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"} "Puzzelen met SQL: Crash SQL Investigation")
door Anton Scheffer en Alex Nuijten Dit artikel is de on-line tegenhanger van de rubriek Puzzelen met SQL die verschijnt in de Optimize, het vakblad voor Oracle ontwikkelaars in …
Use BPEL Correlation Sets for repeated (synchronous) access to long running BPEL processes
Standing on the shoulders of Anthony Reynolds and Matt Wright, I finally managed to get the Correlation Sets feature in Oracle BPEL PM to do what I intended: I …
Scribbling the Contact Lenses Order/Collect Business Process (ready for BPEL?)
I use contact lenses. A pair will last me a month, then should be chucked away and replaced by a fresh pair. I buy them in six-month packs. From …
Scribble on a Pull-turns-push architecture based on http – registering web applications as event listeners
Today in the car I had some thoughts on applications working together, across the boundaries of technology and organizations. I tried to find an easy, cheap way for for …
Your lucky if you are in Holland – A Great Symposium Announced
Oracle The Netherlands just announced, via email, an great "RedDatabase Symposium" event / symposium on 10,11 and 12th of March, organized by RedStone Innovations. The focal points for this …
UKOUG 2007 – The Final Verdict of the Attendees
Today, I got my evaluation results for my presentation during UKOUG last year. Overall, I am not unhappy. I am a little bit perfectionist minded, but for a first …
Oracle BPEL Process Manager: Most efficient way to manage dynamic process level (cross instance) data
BPEL Process definitions frequently include parameters that influence the flow through the process. Sometimes these parameters are embedded as hard coded values sometimes variables dynamically retrieved from a PartnerLink …
ADF 11g Rich Faces: using clientTriggers and JavaScript API to implement client side logic in ADF Faces pages (Client Side programming in ADF Faces Rich Client Components Part 3)
January 5, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
3 Comments
As described in earlier postings in this series, the ADF Faces 11g RichFaces library has several facilities for client side logic to complement the already pretty rich client functionality. …
ADF 11g Rich Faces: focus on field after button press or PPR – Including JavaScript in PPR response and ClientListeners (Client Side programming in ADF Faces Rich Client Components Part 2)
January 4, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
2 Comments
In this second part of a series on ADF 11g Rich Faces Client Programming, I will talk about the option to include JavaScript in a PPR response, to execute …
Client Side programming in ADF Faces Rich Client Components
January 3, 2008
IT, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
4 Comments
Really cool, Web 2.0, AJAX powered JSF applications are inconceivable without substantial use of JavaScript. Whether or not the Java developers like it, it is a fact of life. …
AMIS Technology Weblog in 2007: #1 Article: Anton's Solve Sudoku in SQL; 438.053 different visitors (USA and India on top), 877.504 page views; 67% new visits
2007 was another active year on the AMIS Technology Weblog. With over 300 new articles from 20+ different AMIS authors, we produced a lot of content, on topics varying …
Accessing Google Calendar from Oracle ADF Application – Displaying Events in Gantt Chart
January 1, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
2 Comments
Google Calendar (http://www.google.com/calendar) is one of the many services offered by Google. It allows users to manage a personal or shared agenda on line, from the comfort of their …
Year 2007 Round-Up and Picture Galore
It has been a very interesting year for me. I met a lot of people of whom I only had the pleasure to mail with. Some of them are …
APEX and/or ADF – demonstrating two similar yet different applications – part 3 – the implementation in ADF
December 24, 2007
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Tools, Web HTML5 CSS3
1 Comment
In a previous article, I showed two versions of more or less the same application. One created in APEX by Dimitri Gielis, the other built using ADF and JHeadstart …
APEX and/or ADF – demonstrating two similar yet different applications – part 2
December 24, 2007
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, PL/SQL, Web HTML5 CSS3
4 Comments
Showing both APEX and ADF and giving the audience some inkling as to there similarities and their differences – what is the best way of doing that? Well, one …
The Christmas Present has arrived: the Oracle 11g Fusion Middleware technology preview
December 23, 2007
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, SOA
No Comments
It was promised at Oracle Open World by Thomas Kurian, just over a month ago. And now Oracle delivers on that promise: the Fusion Middleware 11g Technology Preview at …
APEX and/or ADF – demonstrating two similar yet different applications
December 23, 2007
Database, IT, Java, Oracle, Oracle Application Development Framework, PL/SQL
8 Comments
Last Monday, we organized an AMIS Query on APEX and ADF. Dimitri Gielis, APEX specialist, joined us and presented his ideas on APEX. I took on the role as …
Where is my WHERE?
Sometimes I encounter query which have a WHERE clause that starts with: select ... from ... where 1=1 and ... When asked the reason for this predicate, most of …
APEX contra ADF?
Pushing to the bank holidays, trying to get rid of the piles of work before I / we start a new year, I would almost forget to thank Dimitri …
Report from Oracle Open World 2007 – Slides from our Knowledge session
December 19, 2007
Database, IT, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, SOA
No Comments
Last month we organized a Knowledge Center session on Oracle Open World 2007. AMIS consultants Peter, Sjoerd, Harm and Lucas were joined by Lonneke from Approach Alliance to present …
Generating graphs with JHeadstart
One of our recent buisiness cases required the availability of graph representations of data in an application generated with JHeadstart. At first I started out with JFreeChart and ChartCreator, …
Using a rich editor in ADF applications
December 14, 2007
AMIS, IT, Java, Oracle, Oracle Application Development Framework, Web/Java
5 Comments
About a year ago Frank Nimphius wrote this weblog article about using a rich text editor called openWYSIWYG in ADF applications. Recently we encountered the need for such an …
How to implement Amazon webservice in ADF
December 10, 2007
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
2 Comments
This article demonstrates how to build an ADF application on top of the Amazon WebServices for searching books. 1. Start jdeveloper 10.1.3. 2.0(or newer) 2. Build a new Application Application name: AmazonWebservice …
SQL in Java: To batch or not to batch with Oracle JDBC
Last week I had to parse thousands of sql insert statements, read from files (one file per table), within a Java environment. These files contain complete SQL insert statements, …
UKOUG – Wednesday, Thursday and Wrap-up
I met a fellow dba with 20 years of experience and I couldn’t make him understand James Morle’s presentation regarding skew and latency (f.k.a. “Every Performance Problem Is One …