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Friday May 16, 2008

Free, Upcoming Java EE Event, with JavaONE update in Hamburg

Next Monday (19.05.2008), I will give a talk about Java EE, emerging best practices, pragmatic patterns and "hacks" in Hamburg. I already posted about this. It is a Java User Group event - so registration is optional.

Posted at 06:48AM May 16, 2008 by Adam Bien in Events  |  Kommentare[0]


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Number of posts: 752
Number of comments: 2591
On Java FX at java.sun.com
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Real World Java EE Patterns Rethinking Best Practices

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...the last 150 posts
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...the last 10 comments

Adam Bien wrote:

@Michael,

1. use @Asynchronous (very similar)
2. Use JCA -> even closer
3. Wrap Executor service and inject it as CCI - very[...]

Michael Bien wrote:

all we need is a standardized 'ThreadPoolManager' returning the appserver's implementation of an ExecutorService ;)



Adam Bien wrote:

@ALR,

interesting pointer. But in either way it wouldn't be portable. A very lean JCA would also do the job in portable way.

Ex[...]

Andrew Lee Rubinger wrote:

Note that there are mechanisms around this. In JBossAS for instance, the Application Server makes available a project called "JBoss Threads&[...]

Andrew Lee Rubinger wrote:

Adam:

Because @Singleton lets you manage your concurrency policy, but not the Thread itself. Imagine the app developer starts a non-daem[...]

Adam Bien wrote:

@ALR,

absolutely no-no. Never used threads so far in the EJBs. But why not allow them in @Singleton BMC.Bean?

thanks for your c[...]

Andrew Lee Rubinger wrote:

Interesting discussion.

But to me when you use a container, you surrender the right to runtime services like threading. The idea of EJB [...]

Adam Bien wrote:

@Michael,

you can absolutely do that - in Servlets, CDI and in JCA. The EJB 3.1 spec does not allow it formally - but it works in most ca[...]

michael bien wrote:

There are several usecases for this as soon you have to solve problems with finer granularity as sessions (or even tasks in general) e.g. computat[...]

Adam Bien wrote:

@Rolf,

thought about your comment again :-). My reasoning is:
The worst possible thing, which may occur is not inefficiency, but in[...]

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