Sessions at Software Architect 2011 about Refactoring on Wednesday 19th October

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  • Emergent design

    by Neal Ford

    This session describes the current thinking about emergent design, discovering design in code. The hazard of Big Design Up Front in software is that you don’t yet know what you don’t know, and design decisions made too early are just speculations without facts. Emergent design techniques allow you to wait until the last responsible moment to make design decisions. This talk covers four areas: emergent design enablers, battling things that make emergent design hard, finding idiomatic patterns, and how to leverage the patterns you find. It includes both proactive (test-driven development) and reactive (refactoring, metrics, visualisations, tests) approaches to discovering design, and discusses the use of custom attributes, DSLs, and other techniques for utilising them. The goal of this talk is to provide nomenclature, strategies, and techniques for allowing design to emerge from projects as they proceed, keeping your code in sync with the problem domain.

    At 2:00pm to 3:30pm, Wednesday 19th October

  • Agile architecture and design principles

    by Allen Holub

    For an Agile project to be successful, the architecture of the system has to reflect the needs of the process. You simply won’t be able to refactor constantly, accommodate changing business requirements, and so forth, unless your system is designed to accommodate those practices. This talk will look at the characteristics of an Agile design, and explore several design principles that will keep your design on track in an Agile environment. We’ll look, specifically, at the Single-Responsibility, Open-Closed, Liskov-Substitution, Dependence-Inversion, and Interface-Segregation principles.

    At 4:00pm to 5:30pm, Wednesday 19th October