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Recent Blog Entries

Play 2.0 framework and XA transactions
XAtransactions are useful and out of the box, Play 2.0 today does not have support for them. Here Ishow how to add that support: First off, some examples when XA is useful: - JPA uses two physical connections if you use entities from two different ...
Hacking Maven
We don't use M2Eclipse to integrate Maven and Eclipse, partly because we had some bad experiences a couple of years ago when we were still using Eclipse 3.4 and partly because some of our developers use IBMs RAD to develop, and it doesn't (or at least ...
100% code coverage, Hibernate Validator and Design by Contract
Code coverage in unit testing was one of the first things I learned in my software engineering career. The company I worked at taught me that you should have 100% coverage as a goal, but achieving it does not mean there are no bugs in the system. At ...
A really simple but powerful rule engine
UPDATE: Version 2.0 of the library now exists which supports Scala. It is a breaking change in that "Action" instances as shown below are now "AbstractAction...
JSR-299 & @Produces
I've been reading JSR-299 and I have a few thoughts. First, a quote from chapter 1: "The use of these services significantly simplifies the task of creating Java EE applications by integrating the Java EE web tier with Java EE enterprise services. In ...

Recent Responses

Let's get the hype straight
I don't like hypes, and the fan boys that go with it. And so here I will attempt to get the hype out of the fan boys, if they dare to read the next paragraphs. Node.js is a runtime for Javascript, like Adobe Air is for Actionscript, like the JVM for ...
Re: A really simple but powerful rule engine
Great, thank you so much! It works I added a List to the input object and am evaluating the "contains" in the rule like below. Rule wageUnitHour = new Rule("prewailin...
Re: A really simple but powerful rule engine
Try adding two fields to the input object: wageUnit and wageUnitsHour (which is your arraylist). Then a rule like this might work: "if(input.wageU...

Search results

"tag:"ejb""

	Title and summary	Date/time
1	Taking Advantage of Parallelism A while ago some colleagues attended a lecture where the presenter introduced the idea that applications may not take full advantage of the multi-core servers which are available today. The idea was that if you have two cores but a process which is ...	May 16, 2010 3:50:00 PM
2	EJB Frustrations This is by far not the first time I had worked on a project with EJBs (Enterprise Java Beans, see http://java.sun.com/...	Jun 1, 2007 10:23:00 PM
3	EJB Restrictions I found this useful article on what restrictions EJBs should uphold. http://www.javaworld...	Mar 10, 2007 9:30:00 PM