Re: [picocontainer-dev] Pico2: AdaptiveBehaviorFactory - new class.

The more I think about this, the more I like it. I'll flip it over  
after work today if there's no other discussion.

- Paul

On Jun 18, 2007, at 6:21 AM, Paul Hammant wrote:

> Erik mentions that DPC's default of Caching & CDI is not  
> necessarily the best situation. And that the ctors for DPC that  
> don't contain a ComponentFactory (formerly CAF) should perhaps be  
> deleted.
>
> Is AdaptiveBehaviorFactory a better default though ?
>
> If used, it would mean that Caching is no longer default behavior  
> for DPC and that Field-Annotation, Method-Annotation as well as CDI  
> would be casually supported.
>
> It will still be possible to specify chains of ComponentFactories  
> as it has been in the past, this is a new one, not one that  
> replaces others.
>
> AdaptiveBehaviorFactory can recognize Caching, Implementation  
> Hiding and Syncronized (thread safe) behavior via characteristics:
>
>    MPC mpc = new DPC();
>    mpc.as(CACHE, HIDE, THREAD_SAFE).addComponent(Map.class,  
> HashMap.class);
>
>    mpc.as(SINGLE).addComponent(Map.class, HashMap.class);  //  
> alternative to CACHE for just single-instance (or what Guice calls  
> singleton)
>
> Characteristics of course are optional.  I've upgraded DPC to barf  
> is a characterization is set, but not processed during addComponent 
> (..).  Meaning its fail-fast for errors in setup.
>
> Thoughts?
>
> - Paul
>
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