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SIG Event

Agile software development, the principles. Principle 11: The best architectures, requirements, and designs emerge from self-organizing teams.

1
3 years ago
by Robbrecht van Amerongen in , , , , , , , ,
This is the eleventh of 12 posts about the principles of agile software development. Purpose is to go back to the start of the agile manifesto (http://agilemanifesto.org/principles.html) and discuss the implementation of the 12 principles in real life software engineering. Goals of agility are to go deliver software of higher quality, faster, with a higher acceptance to end-users and able to follow the changing business requirements to strive for competitive advantage.   The question is: is this going to work in practice or is this only based on a nice marketing and sales story.   Principle 11: The best architectures, requirements, and designs emerge from self-organizing teams.   For a long time the engineering expertise (and also software engineering) was based upon the condition that you worked with specialists. These specialists emerged from the principle of division of labour and made it possible for these specialists to focus their attention on their specialism and create the best solution within their field of expertise. The Interaction designer designed a user interface, the architect created a global systems model, developers created code and More >
SIG Event

The ADF 11g Area Template – for micro level layout design patterns

3 years ago
by Lucas Jellema in , ,

 

ADF 11g offers various facilities for reusables. To name a few:

Task Flows provide packaged, self contained functionality that consists of both User Interface and Data Bindings and potentially even some process logic and multi step navigation. Task flows can expose parameters that accept values used to dynamically influence the task flow’s behavior. Task flows do not expose facets (which could be an interesting extension of the task flow mechanism). Task flows can publish events that ADF can propagate to consumers outside the region that consumes the task flow.

Declarative components provide a way of packaging reusable clusters of ADF Faces components – usually a fairly small number – that may define parameters and facets through which a usage of the component can be configured and injected with additional content.

Page Templates are a third reusable – typically used to provide a page with one or more containers to hold the page’s content in combination with a frame that has some boilerplate elements – for example titles, menu-items etc. Page templates expose one or more facets into which the contents from the consuming page is injected. Page templates can also publish More >

SIG Event

Agile software development, the principles. Principle 9 : Continuous attention to technical excellence and good design enhances agility

4 years ago
by Robbrecht van Amerongen in , , , , ,

This is the ninth of 12 posts about the principles of agile software development. Purpose is to go back to the start of the agile manifesto (http://agilemanifesto.org/principles.html) and discuss the implementation of the 12 principles in real life software engineering. Goals of agility are to go deliver software of higher quality, faster, with a higher acceptance to end-users and able to follow the changing business requirements to strive for competitive advantage.

The question is: is this going to work in practice or is this only based on a nice marketing and sales story.

Principle 9: Continuous attention to technical excellence and good design enhances agility.

The first time I looked at this principle I thought: “How is this possible”. Agility focuses on quickly delivering working software (reading: “Quick and dirty”). I experienced this is not true. Attention to technical excellence is making the agile process working better. Technical excellence can make the development process more flexible. In this context I would like to point out that there is a difference between technical excellence / good design compared to complex design and technical complexity. How many More >

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