[cdi-dev] Java EE compatibility guidelines

[Jozef Hartinger]

There are two fixes in CDI 1.1 EDR1 of which I am not sure if they 
comply with the document.

* CDI-36
* CDI-115

In both cases it's a non-compatible change in the SPI. The compatibility 
document does not make a distinction between an API (consumed by 
applications) and SPI (consumed by extensions). As a result, it is 
difficult to put portable extensions that use the SPI into one of 
categories defined by the document.

The "wrapper implementations" category seems to fit a description of a 
typical portable extension the most (which would justify the changes) 
although CDI extensions do not necessarily just "wrap a vendor 
implementation".

Another way to look at it is that an application is always allowed to 
implement the involved part of the SPI. In this case the changes above 
violate the document requirements.

On 10/28/2011 04:43 PM, Pete Muir wrote:
> Nigel Deakin wrote up some excellent ackwards compatibility guidelines for Java EE specs - http://java.net/projects/javaee-spec/pages/CompatibilityRequirements
>
> These provide excellent info on what we can and can't change in CDI 1.1.
>
> Check them out!
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