On Tue, 2002-10-01 at 17:38, Peter Donald wrote:
<snip/>
> Wait for Interceptors - they be magic.
<snip/>
> interface Releaseable
> {
> void release();
> }
>
> The magic thing about what I am going to propose in about amonth is that no
> component will ever implement this interface ;)
>
> Lets assume that every component is exposed via a proxy with an interceptor
> chain attached to it. So when you invoke a method it will be passed through
> each interceptor in chain.
>
> Just say our chain looks something like
>
> Service Interface
> |
> v
> Pooling Interceptor
> |
> V
> Target Method
>
> Now lets just say that our pooling interceptor looks something like
>
> Object invoke( Invocation i, InterceptorContext ctx )
> {
> if( i.getMethod() == m_cachedReleaseMethod )
> {
> ObjectPool pool = (ObjectPool)ctx.get( ObjectPool.KEY );
> Object object = ctx.remove( InterceptorContext.TARGET );
> pool.release( object );
> return null;
> }
> else
> {
> return ctx.invokeNext( i, ctx );
> }
> }
<20 seconds of silence...>
WAAAAAAH! This is f****ing neat. It also means total re-architecture of
the container, but hey...that's all internals. IOW: I get it =)
I figured The Biggest Thing This Week would be Red Hat 8, but this is
such a big "gotcha", I think Pete's getting the honours.
We'll have to wait the rest of the month to see more? Shame....
cheers,
Leo
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