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Arquillian with NetBeans, GlassFish embedded, JPA and a MySQL Datasource

This is an, let’s call it accidental post. I was looking into transactional CDI observers and playing around with GlassFish embedded to run some integration tests against it. But surprisingly this did not work too well and I ...
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Morphia and MongoDB: Evolving Document Structures

In my previous post on Morphia, I went through some typical usages and mentioned some caveats and workarounds for known problems. I showed how easy it is to work with Morphia and how cleanly it interacts with the Java world. To fo ...
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Master Detail CRUD operations with Regions ADF 11g

Hi, This is an example that demonstrates how to create a Master Detail relationship between tables by using Regions. The main purpose of regions is the notion of reusability. With regions and bounded task flows we can reuse our pa ...
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Extending your JPA POJOs

Extensibility is an important characteristic in many architectures.  It is a measure of how easy (or difficult) it is to add or change functionality without impacting existing core system functionality. Let’s take a sim ...
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OpenShift Express: Deploy a Java EE application (with AS7 support)

During the past few years, I’ve been hearing about “cloud” services more and more. Initially I wasn’t really curious to try them out. But a few months (a year?) back, I decided to see what it was all about. ...
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Simulating CDI’s Session and Request Scope in a J2SE app

We’re currently considering refactoring the Naked Objects framework to use JSR-330 (dependency injection) and EE-oriented big brother, JSR-299 (CDI). Using vanilla JSR-330 is a no-brainer, but there are also some nice features i ...
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Enabling JMX in Hibernate, EhCache, Quartz, DBCP and Spring

Continuing our journey with JMX (see: JMX for human beings) we will learn how to enable JMX support (typically statistics and monitoring capabilities) in some popular frameworks. Most of this information can be found on project ...
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OSGi: An Introduction

OSGi, created for Java-based systems, provides a framework for modular systems. OSGi makes it possible to define the dependencies of each individual module with the others and enables users to control the lifecycle and dynamicall ...
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DB unit testing with dbUnit, JSON, HSQLDB and JUnit Rules

In this week’s run of my TDD course, I thought it would be interesting to write a little fixture to make it easier to use dbUnit. My original thought was just to teach dbUnit about JSON, but it turns out that Lieven Doclo has d ...
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Introducing Deliberate Caching

A few weeks ago I attended a ThoughtWorks Technology Radar seminar. I worked at ThoughtWorks for years and think if anyone knows what is trending up and down in software development these guys do. At number 17 in Techniques with a ...
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