Improve your unit-tests with jMock2
Writing unit-tests should be part of your development process whether you write them before or after the actual coding I leave that up to you. On of the pitfalls …
Category: Java
Google goes into browsers too – challenging Internet Explorer and Firefox and launching the SaaS VM to really challenge the fat client
September 3, 2008
Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3
11 Comments
Normally important news on IT subjects comes to me via IT media – blogs, discussion forums, newsletters and rumors & gossip. This morning, my newspaper carried the story on …
An evening with Oracle Coherence and Oracle Data Integrator – on Compute Grids, JMS implementations and trickle feed
The other night I had an interesting dinner date: seated around me were an Oracle ACE Director (Mark) and two Oracle employees, experts on Oracle Coherence (Ewan) and Oracle …
ADF 11g: how events in one region cause other regions to refresh
August 28, 2008
Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
9 Comments
One of the challenges in building Portal pages is to have events from one Portlet have the desired effect on other Portlets. For example when I select a location …
Running a BPEL process created with Netbeans in Apache ODE
A BPEL process without using vendor specific extensions should run everywhere without much hassle. But unfortunately it doesn’t. In this article I will show you how to create a …
Forcing refresh of an ADF Faces component with EVERY Partial Page Request
August 7, 2008
AMIS, Java, Oracle, Oracle Application Development Framework, Web HTML5 CSS3, Web/Java
2 Comments
Even when JSF was not around and ADF Faces was still called UIX, Oracle already had the cool “Partial Page Request” (PPR) feature. What this boils down to is that …
Oracle & JDBC – Passing a ‘table of custom object type’ to a stored procedure – implementing efficient single round trip data exchange (part two of an ADF application on a PL/SQL API)
July 16, 2008
Database, Databases, IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server
3 Comments
One very efficient way of passing data from the Java application to the database is through the use of custom Oracle Types. Even when we want to send a …
Creating an ADF application based on PL/SQL API – part one: reading data as a Collection of SQL Type Objects
July 15, 2008
Database, Databases, IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server
3 Comments
In this article something you may never do in exactly this way. Yet something that may become increasingly more useful, as our databases will have ever more Data Service …
Juggling with SQL Types in SQL and PL/SQL – fading borders between Collection and Table
![Juggling with SQL Types in SQL and PL/SQL – fading borders between Collection and Table]({"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"} "Juggling with SQL Types in SQL and PL/SQL – fading borders between Collection and Table")
While preparing for a whole different topic, I had to create a few demonstrations of using custom SQL Types and Collections in both SQL and PL/SQL. While nothing spectacular …
Dropping trees
There are many ways to reassign employees. You, as a programmer or DBA could, for instance, write an update statement to do that. But let’s say that you don’t …
Latest Oracle Pricing List – new suites and options give interesting insights
Oracle recently published the most recent version of their global price list. I am not sure how it translates to local transactions (for example if and how the currency …
Publishing Java based WebServices using JAX-WS in JDeveloper 11g
Recently I have been doing quite some work with WebServices – calling them and implementing them, from and in both PL/SQL and Java. And in conjunction with BPEL and …
PL/SQL Table-to-Java Bean (and Data to Java Bean Manager) generator – useful for data driven demos without database
June 26, 2008
Database, IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Tools
6 Comments
The other day, I sat preparing for a demonstration of a data driven Java Web application. I preferred to be able to present the demo without actually having to …
Integrating Flashback in ADF Web Applications – providing the historic perspective
June 20, 2008
Database, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, PL/SQL
No Comments
When we were doing the APEX vs. ADF session at the last day of the ODTUG Conference yesterday, Dimitri showed a nice feature in APEX that allows you to …
ADF "Function Result Cache" – how to speed up calls to deterministic WebServices
June 20, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, SOA, Web HTML5 CSS3
No Comments
The 11g release of the Oracle Database gave us the PL/SQL Function Result Cache. This feature can help speed up performance in calling PL/SQL functions by caching function When …
ZoomIt – great presenter's aid
One of things to learn during conferences is about the tricks used by fellow presenters to make their presentations better fun. One of the nicest things I picked up …
News, questions and Rumours from the ODTUG conference – APEX, SQL Developer, BEA, WebCenter, Forms,…
Any conference with a large crowd of developers, passionate about their work and the tools they work with, is of course a breeding ground for speculations, rumours, frustrations, honest …
Introducing Dynamic favicons in JSF applications
June 16, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
No Comments
Being in New Orleans for a festive conference like ODTUG brings me in a mood to write about something colorful – even if not very useful. And perhaps every …
How to quickly generate an XSD (XML Schema Definition) based on a Java Class Model using JDeveloper 11g
In the course of my current studies into XSD (XML Schema Definition) and how to convert from XSD to Java Class and vice versa as well as to Database …
The SOA case of the missing bag – a Service Oriented Analysis
Though I did not particularly liked it, not having my bag returned by the conveyor belts of New Orleans Airport as I arrived yesterday for the ODTUG 2008 Kaleidoscope …
Easy Implementation of viewScope or pageScope in JavaServer Faces (JSF) 1.x
June 15, 2008
IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Web HTML5 CSS3
No Comments
While the 2.0 release of the JSF specification will do something about it, the 1.x implementations of JavaServer Faces only offer request, session and application scope. Many JSF implementations …
Providing RichFaces support for NetBeans: learning it from the master
Earlier this week, Geertjan Wielenga asked me if he could come and visit me to watch the Netherlands beat France in the soccer match on Friday, June 13. Of …
Accepted AMIS Oracle Open World Presentations
June 5, 2008
AMIS, Databases, DBA Oracle, IT, Java, Oracle, Oracle Application Development Framework, Software Engineering, XML
3 Comments
Today me colleagues Lucas, Gerwin and I got some nice “Oracle Open World Welcome Notification” e-mails from the Oracle Open World 2008 team. We are happy to announce that …
Report from JavaOne 2008 – download session resources
May 30, 2008
AMIS, Databases, IT, Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Tools, Web HTML5 CSS3, Web/Java
1 Comment
Thursday 29th May – some 70 Java specialists gathered to discuss the main themes and findings from the 2008 JavaOne conference. Peter, Wouter and Lucas presented on their experiences …
Tuesday 3rd June – Presentation/Demonstration/hands-on JDeveloper 11g Data Visualization: Gantt, Pivot Table, Geographic Map, Charts – with Katrina Obradovic, Oracle JDeveloper Senior Product Manager
An Overview of Oracle ADF Data Visualization Components – Tuesday, June 3rd – 16.30-21.00, Nieuwegein Oracle JDeveloper 11g Application Development Framework (ADF) offers a powerful and productive environment for …
Project Estimation & Control based on Use Cases
May 23, 2008
AMIS, IT, Java, Oracle, Project Management, Software Development, Software Engineering
1 Comment
This week Sander Hoogendoorn (Cap Gemini) presented a seminar about “Estimation with Use Casesâ€. Generally, this seminar confirmed that the development method of AMIS, internally called the “Way We …
GlassFish and OpenESB session – brief report including download presentation resources
The GlassFish and OpenESB session we hosted yesterday was very interesting. Alexis Moussine-Pouchkine, Java Architect at Sun Microsystems in France and GlassFish Evangelist (though he is none too happy …
Mapping composite primary keys in JPA How to work around a bug in Hibernate Annotations
A table without single-column primary key, Java developers don’t like them because it’s more work than just putting @Id on a field. When you’re using Hibernate Annotations you might …
Evolution of Open Source Software – Survival of the Fittest – or: To b(uild a community before the hype cycle overtakes you) or not to be
JavaOne 2008 made one thing abundantly clear: everyone who owns a product, being it a commercial product or an open source product, desperately needs attention. A product that is …
JavaOne 2008 LAB: Dynamic Service Composition with OpenESB and NetBeans
Apart from sessions in which an overview of a certain topic is presented, JavaOne also had a few sessions in which the audience got the chance to actually do …
JavaOne 2008 lingo – Keywords, recurring themes, buzzwords and hype-terms
Some words, names of terminology quickly come to govern a conference such as JavaOne 2008. Some things are talk of the day or even the hour, while other themes …
ADF Faces – How to get a Client Side hook into the Partial Page Render cycle in order to embed rich UI widgets from Dojo, Yahoo and other into ADF Faces pages?
While at the Oracle booth in the Java Pavilion during JavaOne, I took the opportunity to pose a question to one of the JDeveloper product managers about an issue …
EclipseLink and Oracle Coherence: a match made in heaven?
Tonight Lucas, Wouter and myself went to a very interesting session at JavaOne, to hear how two of my favourite Java technologies, EclipseLink and Coherence, can work together to …
JavaOne 2008 – The upcoming JavaServer Faces 2.0 specification – time to harvest!
JavaServer Faces has been around since 2004. The current release is 1.2. Work has started to produce the 2.0 release which will be part of JEE6, which is slated …
JavaOne 2008: day 2
The second day of JavaOne 2008 started with a key note by Oracle. After that I attended a presentation about the Swing Application Framework and WebBeans. Next I hung …
AMIS presents at JavaOne 2008
On day 2 of JavaOne 2008, Lucas Jellema and Peter Ebell did a presentation about enabling company and user level customizations of JSF applications. Using the title "Did We …
Web Synergy: Sun and Liferay bundle their forces
On day 2 of JavaOne 2008 I visited the Sun booth at the Pavilion to ask some questions about the Open Portal project. There I got word that Sun …
JavaOne 2008 – Oracle releases Preview #4 of the 11g Fusion Middleware stack
May 7, 2008
Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, SOA, Tools
2 Comments
This morning at JavaOne 2008, Oracle officially announced the availability of the Technology Preview of its 11g Fusion Middleware stack. With the production release of Fusion Middleware 11g only …
Prime-Time at JavaOne 2008 – our BoF is about to begin…
The logo is not quite correct, as WE will be speaking at JavaOne. Tonight at 20.30, BOF 5224: Did We Spoil the End User? Building Personalization into JavaServerâ„¢ Faces …
JavaOne 2008 – The wonderful world of JavaFX, JSR-268 (Portlet specification) and SCA
It is the day after. The second day of JavaOne 2008 is about to begin. I should quickly go into the Schedule Builder to make some last minute refinements …