Patterns
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The “Hole in the middle” pattern
Surfing on Chia’s Functional Longing article, I wanted to post an experience I had recently, working on some C# code.Patterns - Index
Oracle Oracle Technology Network > Java Article Why, Where, and How JavaFX Makes Sense CaptainCasa moved from Swing to JavaFX for front-end infrastructure, explaining that implementing an employee desktop front end with native technology is a valid approach and that JavaFX is a good fit. Posted 3/13/13 // Tags: java , JavaFX , RIA // Headlines Archive
Patterns - Service Locator
Mocks Aren't Stubs
The term 'Mock Objects' has become a popular one to describe special case objects that mimic real objects for testing. Most language environments now have frameworks that make it easy to create mock objects. What's often not realized, however, is that mock objects are but one form of special case test object, one that enables a different style of testing. In this article I'll explain how mock objects work, how they encourage testing based on behavior verification, and how the community around them uses them to develop a different style of testing.
In the Java community there's been a rush of lightweight containers that help to assemble components from different projects into a cohesive application. Underlying these containers is a common pattern to how they perform the wiring, a concept they refer under the very generic name of "Inversion of Control". In this article I dig into how this pattern works, under the more specific name of "Dependency Injection", and contrast it with the Service Locator alternative. The choice between them is less important than the principle of separating configuration from use. One of the entertaining things about the enterprise Java world is the huge amount of activity in building alternatives to the mainstream J2EE technologies, much of it happening in open source.
Inversion of Control Containers and the Dependency Injection pattern
