[TYPO3-core] RFC #9505: Make the caches in TYPO3 use the new caching framework

[Robert Lemke]

Hi Ingo,

On 08.10.2008, at 12:32, Ingo Renner wrote:

> ok, thanks for the hint. Nevertheless it doesn't make sense in this
> situation. We can only test for an interface after we have an  
> instance,
> but we want to know this before instantiation in this case

well, almost true. With Reflection you can check if a class implements
a certain interface.

Certainly, reflection is slow, but that's why we have a Reflection  
Service
in FLOW3 which caches the reflection information. For determining if a
class implements a certain interface we have this method:

public function isClassImplementationOf($className, $interfaceName) {}

see:
http://forge.typo3.org/repositories/entry/package-flow3/trunk/Classes/Reflection/F3_FLOW3_Reflection_Service.php

Cheers,
robert
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