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From Daniel Fagerstrom <dani...@nada.kth.se>
Subject Re: [RT] composition vs. inheritance in blocks
Date Wed, 06 Apr 2005 09:23:32 GMT
Reinhard Poetz wrote:

> Daniel Fagerstrom wrote:
>
>> I have given some examples of how a user could use some adapted form 
>> of MI to build applications based on a number of blocks, so I'm 
>> interested in your view about how to build blocks based applications.
>
>
> I can't add much to what Stefano already has said:
>
> "You install "Linotype2", is a real block and it requires "Linotype 
> Skin", "JCR Repository", "RDF TripleStore". The block manager goes to 
> the block library on cocoon.apache.org and finds a list of possible 
> blocks that implement those interfaces and that are known to be 
> compatible with the version of the block you are now installing."
>
>
> Except that not the BlocksManager but the BlockDeployer will install 
> blocks, that's the vision:
>
>  - reusability
>    --> skin can be used by more than one block)
>    --> develop functionality *once* and reuse it in many applications
>  - versioning
>  - development will become much easier because you can wire locally
>    available development blocks
>    e.g. I want to use the latest cForms block in *my* project I simply
>    point in the wiring.xml of *my* project to this block. There are
>    no difficult deployment cycles!
>
>
> And quoting Stefano a second time: "what is the best way to use those 
> features in order to achieve what I need". I don't know what will be 
> the best way to use all those features. When we have a working 
> prototype we will learn a lot and best practices will evolve.
>
Ok, so lets get to a working prototype. Still if we don't spend some 
thought on relevant use cases that comes up, the working prototype might 
be less relevant than it could be.

/Daniel


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