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Beyond the Gang of Four
Meeting Room 12
Sunday, 8:30, full day | 7 | · | 8 | · | 9 | · | 10 | · | 11 | · | 12 | · | 13 | · | 14 | · | 15 | · | 16 | · | 17 | · | 18 | · | 19 | · | 20 | · | 21 |
Kevlin Henney, Curbralan Limited: Kevlin Henney is an independent consultant and trainer. The focus of his work is in programming languages, OO, CBD, UML, patterns, and software architecture. At various times he has been a regular columnist for C/C++ Users Journal (online), Application Development Advisor (UK), JavaSpektrum (Germany), Java Report and C++ Report. He is also on the advisory board for Hillside Europe, was the program chair for EuroPLoP 2003, and is a popular speaker at conferences in the US and Europe.
Tutorial number: 18
When software developers mention design patterns, the
chances are that they are talking about Design
Patterns, the classic book by the Gang of Four, rather
than design patterns in general. Even when they are
talking about the pattern concept, as opposed to
specific patterns, they often think in terms of the
form and idea presented in GoF, and rarely beyond.
However, the practice of software design is a far
larger space than can be covered by a modest
vocabulary of 23 patterns. Nor is the pattern concept
that is useful in designing software identical with
the GoF view. Since the publication of the seminal
work by GoF in 1994, a great deal of research and
practice in patterns has led to a better understanding
of both the pattern concept and the strengths and
weaknesses of the GoF patterns themselves.
This talk revisits the GoF patterns, reflects on them,
deconstructs them, and re-evaluates them from the
practitioner's perspective: why creational patterns
such as Abstract Factory and Builder are missing a
vital ingredient to be proper parts of an
architectural vocabulary; why Singleton decreases a
system's flexibility and testability; why Iterator is
not always the best solution for traversing
aggregates; ...; and what you can do about it.
Intermediate: Sound knowledge of the pattern concept and the GoF patterns.
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